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Momentum and Energy

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Last updated over 1 year ago
16 questions
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Question 1
1.
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Question 2
2.

Momentum is

Question 3
3.

Rho is

Question 4
4.

Which has more momentum a 1000kg car moving 2m/s or a 2000kg truck moving 1m/s?

Question 5
5.

Which has more momentum a 1000kg car moving 3m/s or a 2000kg truck moving 1m/s?

Question 6
6.

What is the real reason an airbag saves you in a car crash

Question 7
7.

When you fire a cannon, the cannonball goes forward, and the cannon moves backward, this is because of

Question 8
8.

If you were drawing a cartoon, and an ELASTIC collision happened in the cartoon, what sound effect would you use

Question 9
9.

Which is an INELASTIC COLLISION

Question 10
10.

Energy is measured in

Question 11
11.

If I lift a 2N book in the air 2 meters, how much work do I against gravity?

Question 12
12.

If I carry a 2N book sideways 2 meters, how much work do I do against gravity?

Question 13
13.

Mechanical energy would be found in

Question 14
14.

Which of these is a SIMPLE machine

Question 15
15.

if I put in 10 joules of energy, and get out 5 joules of work, how efficient is the machine?

Question 16
16.

Heat energy is just fancy kinetic energy

Static Friction
mass times velocity
Potential energy of Gravity
Change in momentum
Kinetic Friction
The net change of momentum in a collision is zero
Work
When things bounce
Force
A football player grabbing another player and both fall to the ground
Conservation of Momentum
Energy carried by moving things
Kinetic Energy
Stored Energy
Impulse
The ability to do work
Energy
The process of transforming energy
Potential Energy
A push or pull
Inelastic Collision
A force that prevents movement in the first place
Elastic Collision
A force that slows down moving objects
Momentum
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