A soda bottle (m=0. 1 kg) filled with a flammable vapor is ignited and a rubber stopper (m=0. 01kg) is fired across the room at 100m/s. Find the recoil velocity of the soda bottle

Answer:

once a week

Explanation:

once a week so answer B

Answer:

B-Once a week

Explanation:

You answer is B-Once a week

Store size, cost savings, and repair costs are all important financial impact. which may impact Walmart decision to switch to LED lighting.

Understanding how different components of a system or situation interact in complex and changing ways is known as financial impact. A change in the organization has an impact on other elements of the system. We can see that upgrading to LED lighting has an effect on other parts of the overall system in the Walmart scenario. Yet, the addition of LED illumination has no impact on the expenditures related to buying shop inventory or printing ads for weekly circulars. One factor that is dependent on other factors is a contingency. Managers can decide how to react to a situation by identifying critical contingencies. Walmart executives may decide that installing LED lighting in stores with less than 80,000 square feet is not cost-effective.

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Answer:

The magnitude of the force is 12 N Upwards

Explanation:

The force on a positive charge will be in the same direction as the field, but the force on a negative charge will be in the opposite direction to the field. Thus the direction of the force is upward.

Given;

magnitude of charge, q = 0.06 C

magnitude of electric field, E = 200 N/C

The magnitude of the force is given by;

F = qE

F = 0.06 x 200 N/C

F = 12 N Upwards

Therefore, the magnitude of the force is 12 N Upwards

Answer:

A. 12N up

Explanation:

According to the dude above me

Answer:

9.8×104Nm−2,0.025,3.92×106Nm−2

Solution :

Here, L=10cm=10×10−2m

F=100kgf=100×9.8N

ΔL=0.25cm=0.25×10−2m,

Shearing stress =FL2=100×9.8(10×10−2) Sheraing strain =ΔLL=0.25×10−210×10−2 = 0.025 Shear Modulus of elasticity, G=Shearing stressShearing strain=9.8×1040.025

=3.92×106Nm−2

Explanation:

The average speed of the motorcycle is equal to 64 m/s.

The average speed of a moving object can be described as the total distance traveled by it in a definite time interval. The average speed is a scalar quantity because it carries only the magnitude and no direction.

The average speed can be determined from the ratio of the total distance to the time taken to cover that distance.

The average speed formula can be written as follows:

Average speed =  Total distance / total time taken

Given, the distance covered by the motorcycle  = 1600 m

The total time taken by motorcycle = 25 sec

The average speed of the train = 1600/25 = 64 m/s

Therefore, the average speed of the given motorcycle is 64 m/s.

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The amplitude of the electric field is 743.8 N/C and

The amplitude of the magnetic field is 2.48 x 10⁻⁶ T.

The amplitudes of the oscillating electric and magnetic fields in the laser beam is calculated as follows;

The area of the beam is calculated as;

A = πd²/4

where;

A = π (1.5 x 10⁻³)² / 4

A = 1.77 x 10⁻⁶ m²

The intensity of the beam is calculated as;

I = P / A

I = (1.3 x 10⁻³ W ) / ( 1.77 x 10⁻⁶ m²)

I = 734.5 W/m²

The amplitude of the electric field is calculated as;

\(E_0 = \sqrt{\frac{2I}{\varepsilon_0 c} } \\\\E_0 = \sqrt{\frac{2 \times 734.5}{8.85 \times 10^{-12} \times 3 \times 10^8} }\\\\E_0 = 743.8 \ N/C\)

The amplitude of the magnetic field is calculated as;

\(B_0 = \sqrt{\frac{2\mu_0 I}{ c} } \\\\B_0 = \sqrt{\frac{2 \times 4\pi \times 10^{-7} \times 734.5}{3 \times 10^8} }\\\\B_0 = 2.48 \times 10^{-6} \ T\)

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The complete question is below:

a typical helium-neon laser found in supermarket checkout scanners emits 633-nm-wavelength light in a 1.5-mm-diameter beam with a power of 1.3 mw

What are the amplitudes of the oscillating electric and magnetic fields in the laser beam?

The frequency of a \(7.43 * 10^(-5)\) m wave is approximately \(4.04 * 10^(12)\) Hz.

The frequency of a wave is the number of complete wave cycles that pass a given point in one second, and it is measured in hertz (Hz). To calculate the frequency of a wave, we can use the formula:

frequency = wave speed / wavelength

where the wave speed is wave speed, and the wavelength is distance between two points of the wave.

In this case, we are given the wavelength of the wave, which is \(7.43 * 10^(-5)\)meters. However, we are not given the wave speed, so we cannot calculate the frequency directly. If we assume that the wave is an electromagnetic wave, then we can use the speed of light as the wave speed, which is approximately \(3 * 10^8\) meters per second.

Put values:

frequency = \((3 * 10^8 m/s) / (7.43 * 10^-5 m)\)

frequency = \(4.04 * 10^(12)\) Hz

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Answer:

The answer is "Y → X → Z".

Explanation:

In this question, the chart is missing and the question is not complete that's why we search this question and only give its correct answer that's is defined above, and please find the complete question in the attached file.

The equivalent resistance of the circuit with a 15-ohm resistor, a 30-ohm resistor, and an ammeter connected to a 60-volt battery is 45 ohms.

In the given circuit, the resistors are connected in series. When resistors are connected in series, their resistances add up to give the equivalent resistance. The formula to calculate the equivalent resistance for resistors in series is Req = R1 + R2 + R3 + ..., where Req is the equivalent resistance and R1, R2, R3, etc. are the individual resistances.

In this case, the equivalent resistance is calculated by adding the resistances of the 15-ohm and 30-ohm resistors: Req = 15 ohms + 30 ohms = 45 ohms.

This means that if a single resistor with a resistance of 45 ohms were connected in the circuit instead of the 15-ohm and 30-ohm resistors in series, it would have the same effect on the current flowing through the circuit.

The ammeter, being a current-measuring device, does not contribute to the equivalent resistance as it is connected in series with the resistors. Its purpose is to measure the current flowing through the circuit.

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"over the last eight years, we've delivered on that promise in many ways, both big and small, including, of course, providing health coverage to 20 million more Americans and making healthcare more affordable for all Americans."

The quotation that addresses the audience's concern about President Obama taking actions at the end of his term while waiting for President Trump to take office is:

"over the last eight years, we've delivered on that promise in many ways, both big and small, including, of course, providing health coverage to 20 million more Americans and making healthcare more affordable for all Americans."

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Answer:

The lenses of the telescope are 1.6 and 15 diopters.The length of the telescope is 0.6917 meters.

Explanation:

A telescope that is focused to infinity is called a “collimated telescope.” The lenses of the telescope are 1.6 and 15 diopters. The length of this telescope can be calculated using the following steps:

Calculate the focal length of both lenses. Add both the focal lengths to find the effective focal length. Use the formula for the effective focal length of a telescope to calculate the length of the telescope.

The formula is f = f1f2/(f1+f2),

where f is the effective focal length, f1 is the focal length of the objective lens, and f2 is the focal length of the eyepiece lens.  

Let's solve the above problem using the given formula. The formula for the effective focal length of a telescope is:

f = f1f2/(f1+f2)

Given that the lenses of the telescope are 1.6 and 15 diopters. The focal length of a lens is given by the formula:

f = 1/d

Using the above formula, we can calculate the focal length of both the lenses as follows:

f1 = 1/1.6 = 0.625m and f2 = 1/15 = 0.0667m

Adding both the focal lengths, we get the effective focal length.

f = f1f2/(f1+f2)f = (0.625 × 0.0667)/(0.625 + 0.0667)f = 0.0576m

Therefore, the length of the telescope is equal to the distance between the objective lens and the eyepiece lens. Hence, the length of the telescope is equal to the sum of the focal lengths of the objective lens and the eyepiece lens. L = f1 + f2L = 0.625 + 0.0667L = 0.6917m.

Therefore, the length of the telescope is 0.6917 meters.

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Answer:On a bicycle trail, the city is painting arrows like the one shown below:

Explanation:Upper pointing arrow with height of 11 and length of 9. Rectangular base of arrow has length of 7 and height of 8. All units are in centimeters.

The gases that make up the planet's atmosphere are mixed together.Nitrogen, oxygen, & carbon dioxide are among the atmospheric gases.The water cycle & weather depend on the atmosphere, which also sustains life.

The atmosphere of the earth shields its people by absorbing dangerous sun rays and preserving a constant temperature.It protects Earth from many space hazards and enables life there.As a result, it is crucial for regulating climate and a source of life on planet.

Approximately 78% of the air of Earth's atmosphere is nitrogen, while 21% is oxygen.In trace proportions, additional gases like carbon dioxide, neon, & hydrogen are also present in air.

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Answer:

1. The number of valence electrons that an atom has dictates its ability to react chemically. The closer an atom is to achieving a full outermost shell, the more likely it will be to borrow electrons. Atoms are paired in a way that allows both to achieve a full stable outermost shell. For example, one atom of silicon has 14 electrons, four of which are valence electrons in the outermost shell. Silicon can lend, share, or gain four electrons to achieve a full outermost shell.

2.

a. Law of conservation of energy

b. Law of definite proportions

c. Law of conservation of matter

3. Mendeleev first published a table of elements arranged according to increasing atomic masses. He noticed that some elements near each other had differing properties, but elements in vertical columns had similar properties. Moseley then rearranged the table according to atomic numbers and this eliminated the discrepancies found in Mendeleev’s attempt. Today’s version of the periodic table displays elements in order based on their atomic number; the atomic number indicates the number of protons within the atoms of a particular element. Rows are called periods and columns are called groups. Elements in the same group have similar properties. Elements are grouped into nine categories: noble gases, halogens, nonmetals, alkali metals, alkaline earth metals, transition metals, other metals, metalloids, and rare earth elements.

                     ( VIEW ATTACHMENT FOR 4, 5, AND 6.)

7. Water is colorless, odorless, and tasteless. It's the chief substance of living material. It has a specific gravity of 1.0 at 4° Celsius. It freezes at 0° Celsius and boils at 100° Celsius. Water is a powerful solvent. Distillation is needed to remove impurities. Purification methods include

Aeration (water is sprayed into the air so that light and oxygen can kill bacteria)

Filtration (water is passed through a filter to remove impurities)

Chlorination (chlorine is added to water to destroy bacteria)

Coagulation (chemicals are added to water to cause organic matter with bacteria to settle out)

8. Air contains nitrogen (78%), oxygen (21%), carbon dioxide (0.04%), and rare gases (less than 1%). It also contains water, dust, bacteria, and other materials.

The atmosphere supports life via two cycles. In the carbon dioxide cycle, carbon dioxide is taken in by plants and used in photosynthesis. From here, oxygen is released to the atmosphere and taken in by animals; it fuels combustion and is needed for fermentation and decay. These processes convert it back to carbon dioxide.

In the nitrogen cycle, nitrogen is fixed by bacteria in the soil into usable nitrogen compounds absorbed by plants. Plants use these to form proteins, which are used as food by animals. Decaying plants and animal wastes return the nitrogen to the soil and ammonia to air. Without atmospheric nitrogen, rust and decay of living material would happen more quickly.

The correct answer is (b) 60 J. A system does 80 j of work on its surroundings and releases 20 j of heat into its surroundings. The change of energy of the system 60 J

To determine the change in energy of the system, we can use the equation:

ΔU = q - w

where ΔU represents the change in energy of the system, q represents the heat transferred to the surroundings, and w represents the work done by the system on the surroundings.

Given that q = -20 J (since heat is released into the surroundings) and w = -80 J (since work is done by the system on the surroundings), we can substitute these values into the equation:

ΔU = -20 J - (-80 J)

    = -20 J + 80 J

    = 60 J

Therefore, the change in energy of the system is 60 J.

Understanding the principles of energy transfer and the calculation of changes in energy is crucial in thermodynamics. In this particular scenario, the change in energy of the system is determined by considering the heat transferred and the work done on or by the system.

By applying the equation ΔU = q - w, we can calculate the change in energy. In this case, the system releases 20 J of heat into its surroundings and does 80 J of work on the surroundings, resulting in a change of energy of 60 J. This knowledge enables us to analyze and interpret energy transformations and interactions within a given system, leading to a better understanding of various physical and chemical processes.

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Answer:

The role of gravity, inertia and friction play different roles when a ball s thrown such as the following;

The thrown ball (which was initially at rest) is given its inertia by the force delivered to it (the ball) by the hand of the thrower of the ball

Force applied to the hand by the thrower of the ball has to have a balancing equal and opposite force (reaction force) for the person to remain in position (not skidding or falling over)

The reaction force mentioned above is transmitted from the hands through the body to the legs which rests on the ground

The leg pushes in the opposite direction in which the ball is thrown but due to combination of the gravity pull which is the weight which acts downward and the friction  resistance which acts sideways and increases proportionally with the weight of the thrower due to gravity, the reaction force in the leg is not able to overcome the frictional resistance force of the leg and the thrower remains upright while the throwing of the ball is successful

Gravity will then act on the ball to limit the distance traveled such that the ball will not wander away and could be directed at  desired target

Explanation:

Answer:

Down below :)

Explanation:

1. Solid - A

2. Liquid - C

3. Gas - E

4. Melting - G

5. Evaporation - F

6. Condensation - D

7. Freezing - B

Hope it is right!

Answer:

See below

Explanation:

We know the 3 (basic) states, solid, liquid, and gas.

We know that the higher the temperature (amount of heat energy) in an object, the more "spread out" particles will be, and as such the object will go from solid to liquid to gas.

So,

A is a Solid (1)

B is Freezing (7)

C is a Liquid (2)

D is Condensation (6)

E is a Gas (3)

F is Evaporating (5)

G is Melting (4)

The slope of the graph of the equation at the point (20, 2) is 1/8.

To find the slope of the graph of the equation at the given point (20, 2), we need to find the derivative of the equation with respect to x and evaluate it at x = 20. Let's differentiate the equation implicitly:

xy - 9y^2 = 4

To differentiate implicitly, we treat y as a function of x and apply the chain rule. Differentiating both sides of the equation with respect to x:

1 * y + x * dy/dx - 9 * 2y * dy/dx = 0

Simplifying this equation:

y + x * dy/dx - 18y * dy/dx = 0

Grouping the terms with dy/dx:

dy/dx * (x - 18y) = -y

Now, let's solve for dy/dx by dividing both sides by (x - 18y):

dy/dx = -y / (x - 18y)

Substituting the given point (20, 2) into the equation:

dy/dx = -2 / (20 - 18(2))

         = -2 / (20 - 36)

         = -2 / (-16)

         = 1/8

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Light acceleration is used to maintain slow forward motion or allow speed to increase gradually with minimum weight shift.

This is referred to the rate of change of velocity with time and  is regarded as a vector quantity.

It is also characterized by a positive forward motion and light acceleration on the other hand maintains slow forward motion or allow speed to increase gradually with minimum weight shift.

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The pedal geometry refers to the physical characteristics of the pedals such as their size, shape, and position relative to the driver's foot.

In order to determine the point of application of ground reaction force vector for the driver's foot against the pedals, race car engineers need to examine the pedal geometry. By examining the pedal geometry, engineers can determine the exact point where the driver's foot makes contact with the pedal and therefore where the ground reaction force vector is applied. This position relative  information is critical for optimizing the driver's ability to control the car and achieve maximum performance. Additionally, engineers may also need to consider other parameters such as the driver's weight, foot size, and position within the car to ensure that the pedals are properly positioned and optimized for each individual driver. Overall, examining the pedal geometry is a crucial parameter for race car engineers to consider in determining the point of application of ground reaction force vector for the driver's foot against the pedals.

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Answer:

The starting position of the runner.

Explanation:

When you look at the graph, you can see that the first point on the graph is twenty on the y-axis.

The runner starts at twenty, and ends at thirty.

Therefore, the runner starts at twenty on the y-axis, so it's the starting position of the runner.

The y-intercept tell you about the starting position of the runner.

The intersection of the graph of the function with the y-axis gives y-intercept of that function. The y-intercept is the value of y on the y-axis at which the considered function intersects it.

Assume that we've got: y = f(x)

At y-axis, we've got x = 0, so putting it will give us the y-intercept.

Thus, y-intercept of y = f(x) is y = f(0)

When we look at the graph, we can see that the first point on the graph is twenty on the y-axis.

The runner starts at twenty and ends at thirty.

Thus, the runner starts at twenty on the y-axis, so it is the starting position of the runner.

The y-intercept tell you about the starting position of the runner.

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The horizontal distance travelled by the football is 3.1 m.

The angle of projection of the football is calculated as follows;

tan ( θ ) = Vy / Vx

where;

tan ( θ ) = 5 / 3

tan ( θ ) = 1.667

θ = arc tan (1.667)

θ = 59⁰

The resultant velocity of the ball is calculated as follows;

v = √ (Vx² + Vy²)

v = √ (3² + 5²)

v = 5.83 m/s

The horizontal distance travelled by the football is calculated as follows;

x = v² sin(2θ) /g

where;

x = [ (5.83)² sin(2 x 59) /9.8 ]

x = 3.1 m

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Answer:

Check Explanation

Comprobar explicación

Explanation:

English Translation

Indicate what a specific property of matter is. Also explain why the specific properties of matter are useful compared to the general ones.

Solution

The specific properties of matter are properties that describes the intensive properties of the system. They are properties that do not depend on or change with the extent or size of the system. They are usually obtained by dividing the generalised properties or extensive properties by the extent or size of matter to make them independent of size/extent/Mass.

Examples of specific properties include specific heat capacity, specific volume etc. They usually have units of general units/Mass units.

The specific properties of matter are more important than the general ones because

- They help in general comparisons of the properties of different materials. They are used to rank, classify and compare properties of different materials.

- They are used in reference table/data to easily record easily accessible properties of matter. It helps to record standards that are general and independent of sizes/extents/Mass, thereby keeping the reference table/data/chart precise and concise.

- They provide us with values that are easy to memorize and remember, unlike trying to cram the different properties of different masses/sizes of matter.

In Spanish/En español

Las propiedades específicas de la materia son propiedades que describen las propiedades intensivas del sistema. Son propiedades que no dependen ni cambian con la extensión o el tamaño del sistema. Por lo general, se obtienen dividiendo las propiedades generalizadas o las propiedades extensivas por la extensión o el tamaño de la materia para hacerlas independientes del tamaño / extensión / masa.

Los ejemplos de propiedades específicas incluyen capacidad calorífica específica, volumen específico, etc. Usualmente tienen unidades de unidades generales / unidades de masa.

Las propiedades específicas de la materia son más importantes que las generales porque

- Ayudan en las comparaciones generales de las propiedades de diferentes materiales. Se utilizan para clasificar, clasificar y comparar propiedades de diferentes materiales.

- Se utilizan en la tabla / datos de referencia para registrar fácilmente propiedades de materia fácilmente accesibles. Ayuda a registrar estándares que son generales e independientes de tamaños / extensiones / masa, manteniendo así la tabla / datos / tabla de referencia precisa y concisa.

- Nos proporcionan valores que son fáciles de memorizar y recordar, a diferencia de tratar de agrupar las diferentes propiedades de diferentes masas / tamaños de materia.

Hope this Helps!!!

¡¡¡Espero que esto ayude!!!

Answer:

t = 2 seconds

Explanation:

In 2nd question, the question is given the attached figure.

Initial speed of the bus, u = 0

Acceleration of the bus, a = 8 m/s²

Final speed, v = 16 m/s

We need to find the time taken by the car to reach the stop. Acceleration of an object is given by :

\(a=\dfrac{v-u}{t}\)

t is time taken

\(t=\dfrac{v-u}{a}\\\\t=\dfrac{16-0}{8}\\\\t=2\ s\)

The bus will take 2 seconds to reach the stop.

Answer:

d = 8.45 m

Explanation:

Given that,

A basketball is dropped from top of the rim.

It takes 1.3s to fall.

We need to find the displacement of the basketball. Let the displacement is d. Using second equation of kinematics,

\(d=ut+\dfrac{1}{2}at^2\)

Where

u is the initial velocity, u = 0

a = g

So,

\(d=\dfrac{1}{2}\times 10\times 1.3^2\\\\d=8.45\ m\)

So, the displacement of the basketball is 8.45 m.

Answer:

Well if it gets warmer the ice will weaken and if it gets hot enough will melt. Of course if the weather gets colder the ice will thicken.

Explanation:

Answer:

The change in ice alters the color of the lake surface — ice and snow cover are generally white, while the lake water itself is a deep blue.

Explanation:

hope it help

The force on a charged particle on a magnetic field is given by:

where B is the magnitude of the field, q is the charge of the particle, v is its velocity and θ is the angle between the field and the velocity of the particle.

In this case we have that:

• The magnitude of the field is 0.09 T.

• The charge of the particle is 3.2 x 10 –19C .

• The velocity is  3.0 × 10 4 m/s

• The angle between the field and the velocity is 90°, since they are perpendicular.

Plugging these we have:

Therefore, the force on the charge is:

The amount of kinetic energy dissipated in the perfectly inelastic head-on collision between the two cars is 107,726.0 J.

To solve this problem, we need to calculate the kinetic energy of each car before the collision, and then add them together to find the total kinetic energy. We can then use the principle of conservation of momentum to calculate the final velocity of the combined mass after the collision, assuming that the collision is perfectly inelastic.

First, we need to convert the speeds from km/h to m/s, since kinetic energy is measured in joules, which is a unit of energy in the metric system.

The speed of the first car traveling east is:

v1 = 106.0 km/h = 29.4 m/s

The speed of the second car traveling west is:

v2 = 75.0 km/h = 20.8 m/s

The mass of each car is:

m = 60.0 kg

The mass of each driver is:

md = 50.0 kg

The total kinetic energy of the first car and driver is:

KE1 = (1/2)mv1^2 + (1/2)mdv1^2

KE1 = (1/2)(60.0 kg)(29.4 m/s)^2 + (1/2)(50.0 kg)(29.4 m/s)^2

KE1 = 94,908.0 J

The total kinetic energy of the second car and driver is:

KE2 = (1/2)mv2^2 + (1/2)mdv2^2

KE2 = (1/2)(60.0 kg)(20.8 m/s)^2 + (1/2)(50.0 kg)(20.8 m/s)^2

KE2 = 48,727.0 J

The total kinetic energy before the collision is:

KEtotal = KE1 + KE2

KEtotal = 94,908.0 J + 48,727.0 J

KEtotal = 143,635.0 J

Now, we can use the principle of conservation of momentum to find the final velocity of the combined mass after the collision. Assuming that the collision is perfectly inelastic, we can assume that the two cars stick together after the collision.

The total momentum before the collision is:

p = (m + md)v1 - (m + md)v2

p = (60.0 kg + 50.0 kg)(29.4 m/s) - (60.0 kg + 50.0 kg)(20.8 m/s)

p = 1,760.0 kg·m/s

The final velocity of the combined mass after the collision is:

vfinal = p/(m + md + m + md)

vfinal = 1,760.0 kg·m/s / (60.0 kg + 50.0 kg + 60.0 kg + 50.0 kg)

vfinal = 9.8 m/s

Finally, we can calculate the amount of kinetic energy dissipated in the collision by subtracting the final kinetic energy from the initial kinetic energy:

KEdissipated = KEtotal - (1/2)(m + md + m + md)vfinal^2

KEdissipated = 143,635.0 J - (1/2)(60.0 kg + 50.0 kg + 60.0 kg + 50.0 kg)(9.8 m/s)^2

KEdissipated = 107,726.0 J

Therefore, the amount of kinetic energy dissipated in the perfectly inelastic head-on collision between the two cars is 107,726.0 J.

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