What is the acceleration of a projectile? a 9.80m/s2 in the y axis b -9.80m/s2 in the x axis c -9.80m/s2 in the yaxis d 9.80m/s2 in the x axis

The size of the resultant force is 752.9 N, and its direction is 15.6° anticlockwise from the direction of travel.

What is Force?

In physics, force is a push or pull that can cause a change in motion or deformation of an object. It is a vector quantity, which means it has both magnitude (size) and direction.

Force is measured in units called Newtons (N) in the International System of Units (SI). One Newton is defined as the force required to give a mass of one kilogram an acceleration of one meter per second squared.

Magnitude: 400 N

Horizontal component: 400 cos(20°) = 376.9 N

Vertical component: 400 sin(20°) = 137.2 N

Force 2:

Magnitude: 350 N

Horizontal component: 350 cos(10°) = 342.0 N

Vertical component: 350 sin(10°) = 60.4 N

To find the resultant force, we can add the horizontal and vertical components separately:

Horizontal component: 376.9 N + 342.0 N = 718.9 N

Vertical component: 137.2 N + 60.4 N = 197.6 N

To find the magnitude of the resultant force, we can use the Pythagorean theorem:

Magnitude: √(718.9² + 197.6²) = 752.9 N

To find the direction of the resultant force, we can use trigonometry:

Direction: tan⁻¹(197.6/718.9) = 15.6°

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Answer:

the answer is at the BOTTOM OF THEIR QUESTION

Explanation:

IT IS CORRECT BTW

The potential 0.530 x 10⁻¹⁰ m from a proton in a hydrogen atom is approximately 27.14 V. It can be calculated using the formula for the electric potential of a point charge: V = kQ / r

In V = kQ / r

Where V is the electric potential, k is the electrostatic constant (8.99 x 10⁹ N m²/C²), Q is the charge of the proton (1.60 x 10⁻¹⁹ C), and r is the distance between the proton and electron (0.530 x 10⁻¹⁰ m).

Step 1: Substitute the given values into the formula:
V = (8.99 x 10⁹ N m²/C²) * (1.60 x 10⁻¹⁹ C) / (0.530 x 10⁻¹⁰ m)

Step 2: Calculate the product of the electrostatic constant and the charge of the proton:
(8.99 x 10⁹  N m²/C²) * (1.60 x 10⁻¹⁹ C) = 1.4384 x 10⁻⁹ N m²/C

Step 3: Divide the result from Step 2 by the distance between the proton and electron:
(1.4384 x 10⁻⁹ N m²/C) / (0.530 x 10⁻¹⁰ m) = 2.7143 x 10^1 V

So, the potential 0.530 x 10⁻¹⁰ m from a proton in a hydrogen atom is approximately 27.14 V.

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Answer:

Using V= IR

I= 0.2307 Ampere

Answer:

7 N

Explanation:

Work = Force * distance

35J = Force * 5 meters               Divide by 5

35/5 = Force

7 Newtons = Force

The  is that the velocity of water flow in the pipe on the second floor is 13.6 m/s.

To calculate the velocity of water flow on the second floor, we can use Bernoulli’s principle which states that the pressure and speed of a fluid are inversely proportional to each other. Pressure + (1/2) * Density * Velocity^2 + Density * g * Height

= Constant (where g = acceleration due to gravity)In this problem, since the pressure remains unchanged, we can eliminate the first term on both sides of the equation for both positions. Using Bernoulli’s principle for position 1 and 2 as:

(1/2) * Density * Velocity1^2 + Density * g * H1 = ConstantPosition 2:

(1/2) * Density * Velocity2^2 + Density * g * H2

= ConstantConstant

= (1/2) * Density * Velocity1^2 + Density * g *

H1Taking the difference of the above equations we get:1/2 * ρ * (V2^2 - V1^2)

= -ρghV2^2 - V1^2

= -2ghV2^2 = V1^2 - 2ghV2

= √(V1^2 - 2gh)

The negative sign is ignored as it represents the direction of flow. Putting the values we get:

V2 = √(15^2 - 2 × 9.81 × 3)

= 13.6 m/s

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Answer:

volume of cheese=l×b×h=5×6×4=120cm³

density=mass/volume=(467/120)=3.89g/m³

Answer:

Explanation:

There are three states of matter; solid, liquid and gaseous states.

The solid state of matter has it's particles tightly packed with very restricted  or no movement within the molecule hence the reason for it's definite shape.

The liquid state of matter has it's particles with a free movement (better than solid but not as free as gases) within the molecule hence it's particles are loosely packed within the molecule. Hence, they (liquids) assume the shape of the container in which they are stored and they move freely when released from the container.

The gaseous state of matter has it's particles totally loosely packed as a result of it's particles moving freely and colliding against one another.

Thus, we can use the above descriptions to answer the statements from the question.

1) The atoms in a  ----- are closely packed, but able to slide past each other. Answer: From the description above, it can be deduced that the atoms here are in a solid because the particles within a solid are closely packed.

2) The atoms in a  -------- spread as far apart as possible.

Answer: The atoms here are in gaseous form because, as described earlier, they are loosely packed and  can thus be as far apart as possible.

3) A  ----- has a definite shape and volume.

Answer: As described earlier, a solid substance would have a definite shape and volume because it's particles are tightly packed.

4) The shape of a  ----- can change, but the volume is definite.

Answer: The substance here is a liquid because the particles are free (but not as free as gases) and would have a definite volume but will assume the shape of the any container they are placed in (hence they have an irregular shape).

Answer:

The atoms in a

✔ liquid

are closely packed, but able to slide past each other.

The atoms in a

✔ gas

spread as far apart as possible.

A

✔ solid

has a definite shape and volume.

The shape of a

✔ liquid

can change, but the volume is definite.

Explanation:

The final speed of cyclist is 12.27m/s

The following question can be solved using formulas of Motion on one dimension as the motion is in one dimension

We will use the formula

\(v^2-u^2=2aS\)

where v is the final velocity

u is the initial velocity

a is the acceleration of the boat

s is the distance in meters

v^2 = 2 x a x S

       = 2 x 46 x a

v^2=92a

v=\(\sqrt{92a}\)

where a is the acceleration

Now using the formula v= u+ at

and putting value of v in the equation

\(\sqrt{92a}\)=a x7.5

squaring both sides,

92a=56.25a^2

a=92/56.25=1.64 m/s^2

Now we know that v= 7.5 a=7..5 x 1.64 =12.27m/s

Hence her final speed is 12.27m/s

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The rate at which a cyclist can decelerate without tipping about the front wheel is 1.71 ft/s², while the minimum coefficient of static friction required to prevent slipping before tipping is 0.176.

(a) The rate at which the cyclist can decelerate without tipping about the front wheel can be determined by finding the minimum force required to prevent tipping. This force is equal to the weight of the cyclist and bicycle multiplied by the sine of the incline angle. Thus, the rate of deceleration is given by:

a = g * sin(10°) = 1.71 ft/s²

where g is the acceleration due to gravity.

(b) If tipping occurs at the rate of deceleration found in part (a), the minimum coefficient of static friction Ms can be calculated using the formula:

Ms = tan(θ)

where θ is the angle between the line of action of the weight and the normal force. This angle can be found by balancing the forces acting on the bicycle and solving for θ. The result is:

Ms = tan(10°) = 0.176

Therefore, the minimum coefficient of static friction required to prevent slipping before tipping is 0.176.



The rate at which a cyclist can decelerate without tipping about the front wheel can be determined by finding the minimum force required to prevent tipping. This force is equal to the weight of the cyclist and bicycle multiplied by the sine of the incline angle. The minimum coefficient of static friction required to prevent slipping before tipping can be calculated using the formula Ms = tan(θ), where θ is the angle between the line of action of the weight and the normal force. By balancing the forces acting on the bicycle and solving for θ, the minimum coefficient of static friction required to prevent slipping before tipping is found to be 0.176.



In conclusion, the rate at which a cyclist can decelerate without tipping about the front wheel is 1.71 ft/s², while the minimum coefficient of static friction required to prevent slipping before tipping is 0.176. These calculations can be useful for understanding the forces involved in cycling on an incline and ensuring safe riding conditions.

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Answer:

c 82.45 m

Explanation:

To solve this problem, we have to apply the right motion equation.

 Given parameter;

 Initial velocity  = 90mph

 So;

 Using;

      V²  = U² - 2gh ; we can solve this problem

 V is the final velocity = 0mph

U is the initial velocity

g is the acceleration due to gravity

h is the height

 Now insert the parameters and solve;

        We need to convert from mph to m/s

          1 mph  = 0.45m/s

          90mph  = 40.5m/s

    0² = 40.5² - (2 x 9.8 x h)

      0 = 1640.25  - 19.6h

    -1640.25 = -19.6h

           h  = 83.7m

Answer:

500

Explanation:

25/0.05

Answer:

34kg

Explanation:

Answer:

time

Explanation:

power = work done ÷ time

The role of the manager within the organization from classical and neoclassical approaches is as follows:Supervision by manager in classical schoolThe classical school of thought emphasized that organizations should be managed in a logical and scientific manner. The manager is the main decision-maker in this approach. Supervision is one of the main roles of a manager in this approach.

The manager ensures that the employees are following the set procedures and rules. They also ensure that the employees are working efficiently and effectively to achieve the set goals and objectives of the organization. The manager is responsible for creating a suitable work environment that enhances productivity.The human relations approach emphasizes the importance of the relationship between the manager and the employees. In this approach, the manager is seen as a mediator between the employees and the organization. The manager is expected to be understanding, supportive, and encouraging towards the employees. They are also responsible for providing the employees with a suitable work environment that is conducive to productivity. The manager's role in this approach is to promote employee morale and motivation by providing incentives and recognition for good performance.The Neoclassical approach is a modification of the classical approach. It focuses on the social and psychological factors that influence employees' behaviour in the workplace. The Neoclassical approach places more emphasis on the employees than the classical approach. The role of the manager in this approach is to ensure that the employees are motivated and satisfied with their work. The manager provides the employees with a supportive and encouraging work environment, where their needs and aspirations are met. The manager is also responsible for ensuring that the employees have the necessary resources to achieve their goals.

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To further stretch the spring from l m to L m, the work done is given by W = 0.5k (L² - l²), where k is the spring constant and l and L are the initial and final lengths respectively.

Given, it requires a force of 18 N to hold a spring stretched l m beyond its natural length.Since the work done is equal to the change in potential energy, therefore, the work required to further stretch the spring from l m to L m is given by:

W = Uf - Ui

= 0.5 k L² - 0.5 k l²

Now, we have k = F / x where F is the force required to stretch the spring by a distance x.So,

k = 18 / l

Also, the force required to stretch the spring to length L is given by:

F' = k (L - l) = 18 (L - l) / l

Therefore, the work done is given by:

W = 0.5 k (L² - l²) = 0.5 x 18 / l x (L² - l²) = 9 (L² - l²) / l

Hence, the work done to further stretch the spring from l m to L m is 9 (L² - l²) / l J.

Therefore, the work required to stretch the spring from l m to L m is given by the equation: W = 9 (L² - l²) / l.

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Answer:

Explanat      Enthalpy of Vaporizationion:

Answer:

Its A ik cuz i just studied it when i was answering this question...

Explanation:

have a good day!

Answer:

m v^2 / R = m g where gravitational force provides centripetal force

R = v^2 / g = 14.3^2 m/s / 9.8 m/s^2 = 20.9 m

The soil loss in  \(Mg ha^{-1}\) (Ton/ha) if the bulk density of the soil is 1.01  \(Mg m^{-3}\)  is option a. 0.202 Mg/ha.

For expressing the soil loss in \(Mg ha^{-1}\), need to convert the units appropriately. First, convert the soil loss from millimetres (mm) to meters (m) by dividing it by 1,000 (1 mm = 0.001 m). Thus, the soil loss is 0.0002 m.

Next, calculate the volume of soil lost per unit area (ha). The volume can be obtained by multiplying the soil loss (0.0002 m) by the area (ha). Since the bulk density of the soil is given as 1.01 \(Mg m^{-3}\), can convert the volume to mass by multiplying it by the bulk density.

Using the formula:

Soil loss (Mg ha-1) = Soil loss (m) × Bulk density (\(Mg m^{-3}\)) × Area (ha)

Substituting the values:

Soil loss (\(Mg ha-1\)) = 0.0002 m × 1.01 \(Mg m^{-3}\) × 1 ha

Calculating the result:

Soil loss (\(Mg ha-1\)) = 0.0002 × 1.01 = 0.000202 \(Mg ha-1\)

Therefore, the correct answer is option a. 0.202 Mg/ha.

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The calculated value of kinetic energy doesn’t match the measured kinetic energy of the rock because the calculated value of kinetic energy is based on theoretical calculations, whereas the measured value is based on practical observations.

Kinetic energy is the energy possessed by an object in motion. It depends on the mass and velocity of the object. The formula for kinetic energy is given by KE = 1/2 mv², where m is the mass of the object and v is its velocity.The calculated value of kinetic energy can be found by using this formula. However, this value is based on theoretical calculations, assuming that the object is moving in a vacuum with no resistance from air or other factors. In reality, there are several factors that can affect the measured value of kinetic energy. These factors include:Friction: The rock may encounter friction as it moves, which can reduce its velocity and therefore its kinetic energy.

Sound: When the rock strikes the ground, some of its kinetic energy may be converted into sound energy and lost.So, even though the calculated value of kinetic energy may be accurate in theory, the measured value may be different due to the influence of several real-world factors.This difference between the calculated and measured values of kinetic energy highlights the importance of conducting experiments and making practical observations.

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Answer:

d = 2.70 g/mL

Explanation:

search the next one up on go ogle it will give you an answer i promise

At reach point 2, the speed V is equal to 24.9 m/s if the average friction force is equivalent to 0.15 of the its weight.

A force that opposes the rolling or sliding of three stationary surfaces over one another. Although frictional forces, such the traction required to walk without falling, may be advantageous, they can provide a significant amount of resistance to motion. the physical contact of two bodies.

The interaction of a car's tires with the road causes friction, specifically three types of friction: rolled friction, starting turbulence, and sliding friction. This friction is what allows humans to operate cars at all.

speed= 1.5m/s

The Initial speed u = 1.5m/s.

point 1 $ point 2 is (39-13) =26m

40 meters is equivalent to an altitude of(40/6) =6.7

kinematics equation v^2 =u^2 + 2as

V^2 = 1.5^2 + 2*9.8 (26 + 6.7)

V = 24.9 m/s

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The maximum height reached by the apple thrown with an initial velocity of 8.50 m / s at 72° is 6.65 m

H = u² sin²θ / g

H = Maximum height

u = Initial velocity

g = Acceleration due to gravity

u = 8.5 m / s

g = 9.8 m / s²

θ = 72°

H = 8.5² sin² ( 72° ) / 9.8

H = 72.25 * 0.9 / 9.8

H = 6.65 m

If an object is thrown with an initial velocity at angle with the ground, it will move in a projectile motion. The object thrown is called as a projectile.

Therefore, the maximum height reached by the apple is 6.65 m

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Answer:

Speed

Explanation:

The distance traveled by an object in a unit of time is speed

The given statement “Particles are in motion” is indicating that particles have kinetic energy and are moving. Hence, this statement is not indicating a specific state of matter. Hence, None of these. is the right option.

However, based on the states of matter, we can say that the motion of the particles depends on the physical state of matter. The three states of matter are:

Solid: In this state of matter, the particles have the least amount of kinetic energy and are held tightly in their positions by intermolecular forces. As a result, they are only capable of vibrating around their mean positions. The vibrations increase with an increase in temperature.

Liquid: In this state of matter, the particles have more kinetic energy than solids and are held together by relatively weaker intermolecular forces. The particles in the liquid are constantly in motion, which allows them to slide past one another and take the shape of the container that they are in. As temperature rises, the kinetic energy also increases.

Gas: In this state of matter, the particles have the highest amount of kinetic energy and are held together by the weakest intermolecular forces. The particles are in constant, random motion and are free to move in any direction. This gives them the ability to take up all the available space in a container.

The question should be:

Decide which physical states are indicated in the following statement. "Particles are in motion" Choose all that apply. Particles are in motion. a) solid. b) liquid. c) gas. d) none of these.

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Answer:

When atoms from different elements are joined together in groups, they form molecules. The atoms in molecules bind together chemically, which means that the atoms cannot be separated again by physical means, such as filtration. The molecule has different properties from the elements from which is was made.

Explanation:

That there are not significate amounts of dark matter wihtin our solar system.

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