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A truck is speeding up (with a constant acceleration) from rest to 45 m/s and it takes it 15 seconds to do so. How far will the car travel?

Rotational dynamics is the study of forces and motions about an axis of rotation.

Formulas such as Kinematic Equations and Newton's laws can be expressed in rotating coordinate frames such as: Newton's 2nd Law Fnet=m x a translates into Torque = I x α Where I is Moment of Inertia (the rotational analogous term to mass)

Answer:

Rotational dynamics is the study of forces and motions about an axis of rotation.

Explanation:

Formulas such as Kinematic Equations and Newton's laws can be expressed in rotating coordinate frames such as:

Newton's 2nd Law Fnet=m x a translates into Torque =I x α Where I is Moment of Inertia (the rotational analogous term to mass)

and α is angular acceleration.

Answer:

answer is

Explanation:

average power each panel produces = 21700/ 5×10^6

4340 ×10^-6

that's mean 4340 micro Watt

The force the gun exerts on the pellet at the given acceleration is 80 N.

The given parameters;

The acceleration of the pellet is calculated as follows;

[tex]v^2 = u^2 + 2as\\\\400^2 = 0 + 2(a) (5)\\\\400^2 = 10a\\\\160000 = 10a\\\\16,000 \ m/s^2 = a[/tex]

The force the gun exerts on the pellet at the given acceleration is calculated as;

[tex]F = ma\\\\F = 0.005 \times 16,000\\\\F = 80 \ N[/tex]

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Explanation:

we derive the formula of acceleration using the formula so v - u /t so

30-20/10

so the acceleration is 1 m/s square

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Answer:

I think it's a. Object velocity

Explanation:

.

Answer:

Object mass

Explanation:

I had answered and thats what it is

Answer:

Answer:

B

Explanation:

Because Tolerance Is The Level Of Ability That Someone Has To Recognise And Help Others Values And Differences.

Explanation:

kinetic energy of child = 1/2 m v^2

71 j. = 1/2×27kg ×v^2

71×2/27= v^2

142/27 = v^2

5.3. =v^2

v= √5.3

v= 2.3 m/s

Answer:

They get air inside

Explanation:

bananas turn brown when air is inside

The magnitude of the acceleration of the descending block is equal to 1.96 m/s².

Tension can be described as a force acting along the length of a rope or a cable, especially a force that comprises by a flexible medium. Tension can be described as an action-reaction pair of forces acting at each end of the length of the medium. Each endpoint carried tension and force from the weight attached.

Given that the block with mass, M₁ = 4m is placed on the horizontal table.

The block with mass, M₂ = m is attached by a string.

The block (M₂) suspended by the string experiences tension (T) in the upward direction and weight in the downward direction.

M₂g - T = M₂a                                                     ..............(1)

The block (M₁) placed on the table experienced only one force which is tension (T)

T = M₁ a                                                          .....................(2)

From equation (1) and (2):

M₂g -  M₁a  = M₂a  

M₁a  + M₂a  = M₂g

(M₁ + M₂) a =  M₂g

a = M₂g/(M₁ + M₂)

Substitute the value of masses of the blocks:

a = m g /( 4m + m)

a = g/5

a = 1.96 m/s²

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The force which counteracts the thrust force for the flight is known as the drag force, as it opposes the flow.

Drag is a force that opposes an object's relative motion to a fluid environment in the field of fluid dynamics. It may be among two liquid film (or surfaces) or in between a liquid and a flat wall. The drag force is influenced by velocity, as opposed to other resistive forces like dry contact, which are essentially independent of it.

When a flow is moving at low or high speed, the drag force is equal to the speed for low pressure and to the square of the velocity for high-speed flow. Although viscous friction is what ultimately causes drag, turbulent drag is unaffected by viscosity.

A force in physics is an input that has the power to change an object's motion. A mass-containing object's velocity can vary, or accelerate, as a result of a force. Intuitively, a push or a pull can also be used to describe forces.

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The drag force, which resists the flow, is the force that balances the propulsion force for flight.

In the study of fluid dynamics, drag is a force that opposes an object's relative motion to a fluid environment. It could be situated between two liquid surfaces (or films) or between a liquid and a flat wall.

Unlike other resistive forces like dry contact, which are largely independent of velocity, the drag force is affected by it.

For low pressure and high speed flows, respectively, the drag force is equal to the speed for low pressure and the square of the velocity. Although drag is ultimately caused by viscous friction, turbulent.

Thus, The drag force, which resists the flow, is the force that balances the propulsion force for flight.

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Answer:

not sure, but I thinks it's either Transparent or Reflective

According to the concept of reflection, if  a piece of glass permits light to pass through, then it is considered to be reflective.

Reflection of light is defined as a property of light ray that when it strikes a smooth surface it bounces back .Objects can be seen due to this property of light.Reflection is produced by all types of waves namely sound waves, light waves, electromagnetic waves.

Reflection of light is governed by laws of reflection which are also called as Snell's laws. According to laws of reflection, angle of incidence and angle of reflection are equal.The incident ray , reflected ray and normal all lie on the same side of the plane.Light travels in a straight line before, after and during the process of reflection.There are 3 types of reflection which are diffuse reflection,specular reflection and glossy reflection.

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Answer:

It has to be the "New Moon" because that is when the moon is between the sun and the earth.

A lunar eclipse can occur when the earth is between the sun and the moon.

Answer:

cardiac

Explanation:

cardiac muscle can contact themselves

Answer:

P V = N R T

P1 V1 = P2 V2      assuming N, R, and T remain constant

V1 = (P2 / P1) V2

V1 = (2 kPa / 4 k Pa) 3.5 m3

V1 = 3.5 m^3 / 2 = 1.75 m^3

Answer:

5300km/h

Explanation:

That's an easy question. You can solve it yourself.

The answer can be found by dividing the Distance traveled by the Time.

Now you can solve all the problem of this rule.

The equilibrium temperature of the iron-water mixture will be greater than the initial temperature of the cold water but less than the initial temperature of the hot iron.

According to the principle of conservation of energy, the heat lost by the red-hot iron is equal to heat absorbed by the cold water.

[tex]Q_{I} = Q_{w}\\\\m_IC_I(t_I - T) = m_wC_w (T-t_w)[/tex]

where;

From the equation given above, we can conclude that the equilibrium temperature of the iron-water mixture will be greater than the initial temperature of the cold water but less than the initial temperature of the hot iron.

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Answer:

potential energy PE = M g h

KE at bottom = 1/2 M V^2

Regardless of the slope of the slide the change in energy is the same

1/2 V^2 = g h

V = (2 g h)^1/2 = (2 * 9.8 m/s^2 * 10 m)^1/2 = 14 m / s

Perhaps the question says that h = 55 * .1 = 5.5 m

Then V = (2 * 9.8 * 5.5) = 10.4 m/s

Answer:

C. 0.2 m/s west

Explanation:

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What Would Happen to the Orbit of the Moon if it Were Twice as Massive? ... The orbit would not change.

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Hi there!

When the acceleration of a block in SHM is 0 m/s², the NET FORCE must equal 0 N.

0 m/s² acceleration is obtained when the spring is at its equilibrium point, meaning that:

∑F = -kx (x = displacement from equilibrium point in meters)

If the block is at the equilibrium point, displacement = 0m, so:

∑F = -k(0) = 0 N

With Newton's Second Law, ∑F = ma. If the net force is 0 N, then there is no acceleration experienced by the block.

Thus, the other quantity that must be 0 is the block's NET FORCE.

Answer: Look at Explanation

Explanation:

4.7 east

2.9 west

4.7 - 2.9 = 1.8 to the east

then 13km to the west

-1.8 + 13 = 11.2 to the west left side

Answer:

Velocity/time =acceleration

Acceleration x time = velocity

Velocity/acceleration=time

Answer: that would be New acceleration would be 12 m/s²

Explanation:

Answer:

The box will move diagonally down to the right

Answer:

[tex]150 kg\cdot m/s[/tex]

Explanation:

Same as if he was walking uphill, or horizontally. Momentum is defined as the product of mass times velocity. [tex]p = mv = 15\cdot 10 = 150 kg\cdot m/s[/tex]