!!PLS HELP ITS URGENT!!Lena is using water displacement to find the volume. The volume of water in a graduated cylinder is 30 ml. After Lena drops a small toy in the graduated cylinder, the volume of water rises to 37 ml. What is the volume of the small toy?

You must walk approximately 137.74 meters farther to reach your truck.

To determine how much farther you must walk to reach your truck, we need to calculate the distance between your current location and the truck.

Let's break down the given information: You are initially 122.0 m away from your truck, in a direction 58.0 degrees east of south.

You then walk 73.0 m due west along a ditch.

To find the remaining distance to the truck, we can consider the triangle formed by your initial position, your current position after walking west, and the truck location.

From the given information, we have a right triangle where the side opposite the 58.0-degree angle is 122.0 m and the side adjacent to the 58.0-degree angle is 73.0 m.

Using trigonometry, we can find the remaining distance (x) by applying the cosine function:

cos(58.0 degrees) = adjacent / hypotenuse

cos(58.0 degrees) = 73.0 m / x

Rearranging the equation to solve for x:

x = 73.0 m / cos(58.0 degrees)

Calculating the value:

x ≈ 73.0 m / 0.530

x ≈ 137.74 m

Therefore, you must walk approximately 137.74 meters farther to reach your truck.

know more about cosine function here

https://brainly.com/question/11114429#

#SPJ11

Answer:

Explanation:

B

A primary source is one that is written by the person who lived through an advenure or is one doing the action and recording it.

In this case, the answer is B.

Most frequently, for a historian, a primary source is something like a diary or a bunch of letter written by someone experiencing something.

It cannot be about someone else's work. Not C or D

A textbook is not the answer either. It is a bulky summary of scientific, or other kind of thought.

Answer:

i did this project where i took two marbles pool noodles and tape then i made a ramp and i saw which marble would go down faster the big marble or the little marble hope this helps!!

Using the concepts of angular velocity, we got that    0.025sec is the period of one revolution for a grinding wheel which is rotating with an angular velocity of 251 radians per second.

We know that angular velocity is defined as the change of angular displacement with respect to time.

or ,ω=θ/t

Here, grinding wheel is circular in shape means total angular displacement is 360 degree or 2\(\pi\)

So according to the formula,

=>251=2π/t

=>t=2π/251

=>t=(2×3.14)/251

=>t=6.28/251

=>t=0.025sec

Hence, if a grinding wheel is rotating with an angular velocity of 251 radians per second, the period of one revolution is 0.025sec.

To know more about angular velocity, visit here:

https://brainly.com/question/12446100

#SPJ4

When Diego is in the race, he would be using only aerobic exercise.

The term aerobic exercise has to do with the type of exercise that require brisk repetitive movements in which the consumption of oxygen is elevated during the process.

A person tends to breath faster and more deeply when carrying out an aerobic exercise and the rapid movements is the reason why there is an intense demand for oxygen in the process.

As such, when Diego is in the race, he would be using aerobic exercise.

Learn more about aerobic exercise:https://brainly.com/question/2428731

#SPJ1

Answer:

c

Explanation:

a pex

When a coil of wire is stationary and there is no relative motion between the coil and a permanent magnet, there will be no induced electrical current in the coil. The correct statement in this scenario would be C. The coil and the magnet are not moving relative to each other.

Electromagnetic induction states that a change in magnetic field through a conductor (in this case, the coil of wire) will induce an electromotive force (EMF) or voltage across the ends of the conductor. This induced voltage can then drive an electric current to flow if there is a complete circuit.

When there is no electrical current flowing through a coil of wire that contains a permanent magnet, the interaction between the magnetic field of the magnet and the coil's magnetic field depends on their relative motion. In this case, if there is no movement between the coil and the magnet, the magnetic fields are not changing with respect to each other. Therefore, the absence of relative motion between the coil and the magnet is the condition in which no electrical current is induced in the coil.

Therefore, the correct statement in this scenario would be C. The coil and the magnet are not moving relative to each other.

For more details regarding electrical current, visit:

https://brainly.com/question/1922668

#SPJ2

Answer:

just add co-ratios and then find the average.

Explanation:

Answer:

Its obviously number D

Explanation:

When it comes to environmental benefit, Reducing emission of pollutants does the best job.

Reduced emission of pollutants is a potential environmental benefit of adopting a new technology.

The elements, molecules, and particles that contribute to pollution are known as pollutants; life can be injured by exposure to these substances, and their impacts on people and plants are widely documented.

There are several ways that pollutants can enter the environment, both naturally and through human activity.

Depending on the type of pollution, what happens to it once it is released into the air, soil, or water supply.

Therefore, Reduced emission of pollutants is a potential environmental benefit of adopting a new technology.

To learn more about pollutants, refer to the link:

https://brainly.com/question/28519286

#SPJ2

Answer:

torques must balance for equilibrium

counterclockwise = clockwise

1.5 X = 4 * 20

x = 80 N-m / 1.5 m = 53 N

(D) is correct

Total Cost is =  $107,380 if The farm is 340 acres and had corn planted  add fertilizer to the soil before you plant this years' crop.

A fertiliser is a natural or artificial substance containing chemical elements (such as Nitrogen (N), Phosphorus (P) and Potassium (K)) that improve growth and productiveness of plants. Some synonyms include the terms "enrichment" or "plant nutrient".

Without fertilizers, nature struggles to replenish the nutrients in the soil. When crops are harvested, important nutrients are removed from the soil, because they follow the crop and end up at the dinner table. If the soil is not replenished with nutrients through fertilizing, crop yields will deteriorate over time.

To know more about fertilizer visit

brainly.com/question/14012927

#SPJ1

Answer:

The option that best describes the relationship between frequency and wavelength of electromagnetic waves is the third option

c. The frequency increases as the wavelength decreases

Explanation:

The frequency of an electromagnetic wave, 'f', is given by the following formula;

\(Frequency, \, f = \dfrac{Wave \ Speed,v }{Wavelength, \ \lambda}\)

From the above formula, the frequency of an electromagnetic wave is inversely proportional to the wavelength, and therefore, a higher frequency, ('f', to increase), requires a lower wavelength, (λ, decreases)

The correct option is that the frequency of an electromagnetic increases as the wavelength of the wave decrease.

The two factors that cause colored bands to form in Jupiter's atmosphere are convection and planet rotation. The correct options are A and D.

A. Convection: In Jupiter's atmosphere, the different colored bands are primarily caused by convection currents. Convection occurs when heat is transferred through the movement of fluids, in this case, the gaseous atmosphere of Jupiter.

The planet's internal heat rises towards the outer layers, causing the gases to move and create distinct bands. These bands consist of alternating dark belts and light zones, which are formed due to the rising and sinking of gases with different temperatures and compositions.

D. Planet rotation (the Coriolis effect): Jupiter's rapid rotation (it completes one rotation in about 10 hours) significantly influences its atmospheric circulation. The Coriolis effect, a result of a rotating body, causes fluids to move in curved paths.

On Jupiter, the Coriolis effect causes the winds in the belts and zones to flow in opposite directions, creating a strong horizontal shear between them. This shear reinforces the separation between the colored bands, making them even more distinct.

These two factors, convection, and the Coriolis effect work together to produce the vibrant and dynamic colored bands observed in Jupiter's atmosphere.

to know more about Jupiter's atmosphere refer here:

https://brainly.com/question/1565228#

#SPJ11

Any amount of particles with 55 protons and a different number of neutrons than 82 would represent an isotope of Cesium-137.

An isotope of Cesium-137 would have the same number of protons (55) as regular Cesium-137, but a different number of neutrons. Therefore, the amount of particles that represents an isotope of Cesium-137 would be the one with the same number of protons and a different number of neutrons. The atomic mass of regular Cesium-137 is 137, which means it has 82 neutrons (137 - 55). Therefore, any amount of particles with 55 protons and a different number of neutrons than 82 would represent an isotope of Cesium-137. In summary, Isotopes are elements with the same number of protons but different numbers of neutrons.

To learn more about isotope click here https://brainly.com/question/29899412

#SPJ11

An isotope of Cesium-137 contains 55 protons and 82 neutrons, resulting in a total of 137 particles in its nucleus. This specific isotope is represented by the symbol Cs-137.

An isotope of Cesium-137 is any sample that contains the same number of particles as a pure sample of Cesium-137, which has 55 protons and 82 neutrons. Therefore, any sample with 137 particles that includes 55 protons and 82 neutrons would be an isotope of Cesium-137.It is a radioactive isotope of caesium that is formed as one of the more common fission products by the nuclear fission of uranium-235 and other fissionable isotopes in nuclear reactors and nuclear weapons.  

Learn more about Cesium-137 here:

https://brainly.com/question/27475737

#SPJ11

Answer:

gravityis an invisible force that pulls objects toward each other. So, the closer objects are to each other, the stronger their gravitational pull is. Earth's gravity comes from all its mass .

A 2 kg cue ball is moving at a velocity of 2 m/s when it collides with another 3 kg billiard ball at rest. The total momentum is 4 kg m/ s.

Elaborating the problem:

Before the collision, the momentum of the 2 kg cue ball is:

p₁ = m₁ × v₁

p₁ = 4 kg m/s

The 3 kg billiard ball is at rest, so its momentum is: p₂ = 0 kg m/s

The total momentum of the system before the collision is:

p_total = p₁ + p₂

p_total = 4 kg m/s

The total momentum of the system after the collision is:

p_total = M × \(V_{f}\)

p_total = p₁ + p₂

M × \(V_{f}\) = p₁ + p₂

5 kg × \(V_{f}\) = 4 kg m/s + 0 kg m/s

5 kg * \(V_{f}\) = 4 kg m/s

Therefore, \(V_{f}\) = 0.8 m/s

So, the total momentum of the system is:

p_total = M × \(V_{f}\)

p_total = 5 kg  × 0.8 m/s

p_total = 4 kg m/s

A system's total momentum is the sum of the momentum of all its components. To put it another way, it is the total amount of motion experienced by the system's objects. The total momentum of an isolated system remains constant when there are no external forces acting on it, as stated by the law of conservation of momentum.

Learn more about total momentum:

brainly.com/question/7973509

#SPJ1

Answer:

Your average velocity would be 20 m/s.

Explanation:

hope this helped!

Answer:

5 m

Explanation:

We'll begin by calculating the original potential energy. This can be obtained as follow:

Mass (m) = 0.2 Kg

Height (h) = 20 m

Acceleration due to gravity (g) = 10 m/s²

Energy (E₀) =?

E₀ = mgh

E₀ = 0.2 × 10 × 20

E₀ = 40 J

Next, we shall determine the new energy of the ball.

Energy (E₀) = 40 J

Energy lost (Eₗ) = 30 J

New energy (E) =?

E = E₀ – Eₗ

E = 40 – 30

E = 10 J

Finally, we shall determine height of the ball on rebound. This can be obtained as follow:

New energy (E) = 10 J

Mass (m) = 0.2 Kg

Acceleration due to gravity (g) = 10 m/s²

Height (h) =?

E = mgh

10 = 0.2 × 10 × h

10 = 2 × h

Divide both side by 2

h= 10 / 2

h = 5 m

Thus, the height of the ball on rebound is 5 m

The world record for the hundred-meter dash is 9.58 seconds. To calculate the corresponding average speed in units

of the area as follow :

The formula for average speed is given by `Speed = Distance / Time`.We need to find the corresponding average speed in units of.

What we know: Distance covered = 100 m and Time taken = 9.58 sec

Substitute the given values in the formula of speed: Average Speed = Distance / TimeAverage Speed

= 100 m / 9.58 s = 10.438 km/h  [1 km/h = 1000/3600 m/s]

Converting km/h to m/s

10.438 km/h = 10.438 x 1000 m / (60 x 60) s10.438 km/h = 2.899 m/s

Therefore, the corresponding average speed is 2.899 m/s.

To know more about speed visit:

https://brainly.com/question/13943409

#SPJ11

The properties that define a mineral include being a naturally occurring solid with a definite crystalline structure and a definite chemical composition.

Therefore, the correct options are:

Naturally occurring means that the mineral is formed by natural processes, rather than being artificially created. Being a solid means that the mineral has a fixed shape and volume, and is not a liquid or gas. The crystalline structure of a mineral refers to the specific arrangement of atoms or molecules that make up its crystal lattice. Finally, the definite chemical composition of a mineral means that it has a specific set of chemical elements in a fixed proportion, which gives it distinct physical and chemical properties.

Overall, these properties help to distinguish minerals from other types of materials and allow them to be identified and studied based on their unique characteristics.

Learn more about crystal lattice :

https://brainly.com/question/10281663

#SPJ4

Round-nosed bullets with low velocities are specifically designed for improved accuracy and safety in target shooting and hunting scenarios. The round-nosed shape reduces air resistance, allowing for stable trajectory and accuracy at lower velocities. They are also safer for shooting in close quarters and reduce the risk of over-penetration.

Round-nosed bullets with low velocities are specifically designed for certain purposes in firearms. These bullets are commonly used in target shooting and hunting scenarios. The round-nosed shape of the bullet helps to reduce air resistance, allowing it to maintain a stable trajectory and accuracy at lower velocities. This makes them suitable for shooting at shorter distances or when precision is required.

Additionally, the low velocity of these bullets reduces the risk of over-penetration, making them safer for shooting in close quarters or in situations where there may be a risk of unintended collateral damage. The round-nosed design also helps to transfer energy more efficiently upon impact, which can be beneficial for hunting applications.

Overall, round-nosed bullets with low velocities offer improved accuracy and safety in specific shooting scenarios.

About round-nosed bullets here:

https://brainly.com/question/31462146

#SPJ11

Answer: Traveling wave

Explanation:

The spring with the high spring constant stores more energy than the spring with the low spring constant when stretched by the same length.

The amount of energy stored in a spring is given by the formula:

where U is the energy stored, k is the spring constant, and x is the displacement of the spring from its equilibrium position.

If two springs are stretched by the same length, their displacement x is the same. However, the energy stored in each spring depends on the spring constant k. A spring with a high spring constant will have a larger value of k, which means that it requires more force to stretch it by the same amount.

This means that the spring with the high spring constant must do more work to store the same amount of energy as the spring with the low spring constant. Therefore, the spring with the high spring constant stores more energy than the spring with the low spring constant when stretched by the same length.

To learn more about spring constant, here

https://brainly.com/question/14159361

#SPJ1

To be carbon neutral we need  to offset your remaining emissions, which can be done by making financial contributions to initiatives that reduce atmospheric concentrations of greenhouse gases.

To know more about carbon-neutral visit:-

brainly.com/question/29775361

#SPJ4

So, the value of work that he had done is 900 J.

Hi ! Here I will discuss about the effort to raise an object. Previously, when we raised an object, the energy that we put out had to be equal to the change in potential energyHi ! Here I will discuss about the effort to raise an object. Previously, when we raised an object, the energy that we put out had to be equal to the change in potential energy that happened. This is because, the higher the height of an object, the greater value of potential energy. The equation that applies is as follows :

\( \sf{\bold{W = \Delta PE}} \)

\( \boxed{\sf{\bold{W = m \times g \times \Delta h}}} \) ... (i)

\( \boxed{\sf{\bold{W = m \times g \times (h_2 - h_1)}}} \) ... (ii)

With the following condition :

However, because the value of w (weight of the object) is already mass multiplied by gravity (w = m × g). So :

\( \sf{W = m \times g \times \Delta h} \)

\( \boxed{\sf{\bold{W = w \times \Delta h)}}} \)

With the following condition :

We know that :

What was asked :

Step by step :

\( \sf{W = w \times \Delta h} \)

\( \sf{W = 600 \times 1.5} \)

\( \boxed{\sf{W = 900 \: J}} \)

So, the value of work that he had done is 900 J.

As per the figure , heat engines, (b) violates the first law of thermodynamics and (a) violates the second law of thermodynamics.

The First Law of Thermodynamics states that energy cannot be created or destroyed but can be transferred from one form to another. It's often referred to as the Law of Conservation of Energy.

The Second Law of Thermodynamics states that energy is constantly changing from a more concentrated to a less concentrated state. As a result, heat is not going to spontaneously flow from a colder body to a hotter one. The entropy of a closed system can only increase or remain constant.

Heat engines are devices that convert thermal energy to mechanical energy. In heat engines, the energy absorbed as heat is transformed into mechanical work by following the laws of thermodynamics, particularly the second law. The efficiency of a heat engine is always less than 100 percent, according to the second law of thermodynamics. The Carnot cycle, a theoretical thermodynamic cycle, is the most efficient heat engine cycle.

To know more about heat engine click on below link :

https://brainly.com/question/13155544#

#SPJ11

Complete question:

The angular velocity of gear B after A undergoes an angular displacement of 10 revolutions, measured counterclockwise, is 11.2 rad/s (counterclockwise) to three significant figures.

Angular displacement is a measure of the change in the position of an object that is rotating about a fixed axis. It is the angle through which an object has rotated, measured in radians or degrees, and is defined as the final angular position minus the initial angular position. Angular displacement can be positive or negative, depending on the direction of rotation, and is usually measured in radians.

First, let's convert the angular displacement of 10 revolutions to radians:

10 rev * 2π rad/rev = 20π rad

Next, we can use the following kinematic equation to solve for the final angular velocity of gear A:

ωf^2 = ωi^2 + 2αΔθ

where ωi is the initial angular velocity of gear A, α is the angular acceleration of gear A, and Δθ is the angular displacement of gear A.

Substituting the given values:

ωf^2 = (11 rad/s)^2 + 2(2 + (0.006 rad/s^2)^2)(20π rad)

ωf^2 = 121 + 0.072416(20π)

ωf^2 = 121 + 4.5513

ωf^2 = 125.5513

ωf = 11.214 rad/s

Now we can use the gear ratio to find the angular velocity of gear B. Let's assume that gear A and gear B have the same number of teeth, so the gear ratio is 1:1. The angular velocity of gear B is equal to the angular velocity of gear A:

ωB = ωf = 11.214 rad/s

Therefore, Gear B's angular velocity, measured anticlockwise after gear A has undergone an angular displacement of 10 revolutions, is 11.2 rad/s (anticlockwise), to three significant numbers.

To learn more about angular acceleration click:

https://brainly.com/question/30238727

#SPJ1

Answer:

A.

Explanation:

Answer:

1000J

Explanation:

Given parameters:

Mass  = 20kg

Speed  = 10m/s

Unknown:

Kinetic energy  = ?

Solution:

To solve this problem, we use the kinetic energy equation:

  Kinetic energy  = \(\frac{1}{2}\) m v²  

m is the mass

v is the speed

 Now insert the parameters and solve;

     K.E  =  \(\frac{1}{2}\)  x 20 x 10²   = 1000J