Energy
An object at rest on top of a hill has what kind of energy?
What is Gravitational Potential Energy?
What are the Units for Energy?
What is Joules?
What is F*t = delta p
You're driving down the highway and a lovebug spatters onto your windshield. Which undergoes the greater impulse?
What is they experience the same amount of impulse?
Bowling or the game of pool is an example of which collision type?
Elastic?
Mechanical Energy is what two types of energy?
What are GPE and KE?
To convert from cm to meters, you must...?
What is divided by 100
A force of +248 N is exerted on a 7.19-kg bowling ball over a time span of 0.453 seconds. Determine the impulse on the ball.
112.34 N*s
From the same height you simultaneously drop a lightweight tennis ball and a heavyweight bowling ball. When they hit the floor they have the same
What is speed?
_____ is also known as sticky collisions.
If an object sitting on a bookshelf 2.5 meters off the ground has a GPE of 112 J, what is the mass of the object?
What is 4.56 kg?
To convert from grams to kg you must...?
What is divided by 1,000?
Impulse is also known as?
What is the change in momentum?
Two objects collide on a frictionless surface. If one had been at rest before the collision, which of the following is possible:
(i) one object to be at rest after the collision?
(ii) both objects to be at rest after the collision?
What is (i)?
What is the equation for elastic collisions?
What is m1v1+m2v2 = m1v2f + m2v2f
If a 43 kg rock falls from a height of 203 meters, what is the velocity of the rock right before it hits the ground?
What is 63.1 m/s?
What are the units for impulse?
What is N*s or kg * m/s?
Delta P =
What can we say about an object's momentum if it is at rest?
What is the object has no momentum?
What is the equation for inelastic?
m1v1 + m2v2 = (m1+m2) vf
An object has a kinetic energy of 960 J. Its
velocity is 24 m/s. What is its mass?
What is 3.33 kg
What are the two units acceptable for Momentum?
What is kg * m/s and N*s?
It's game point and Josie makes a clutch play. The 0.277-kg volleyball is moving at 5.33 m/s. Josie lunges and bumps the ball in the opposite direction at 4.05 m/s just before it strikes the ground. What is the impulse of the ball?
What is -2.6 kg m/s
The impulse-momentum relationship is a direct result of which physics concept we have we discussed in class?
What is Newton's second law
A 990-kg sports car is moving at 13.2 m/s when it rear-ends with a stopped car having an identical mass at a stop light. The two cars entangle and move together after the collision. What is their speed immediately after the collision?
What is 6.6 m/s?