Physics
Terms
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copy deck
- a kickoff to start a football game is what example of change in momentum?
- visual
- When two objects colide and stick together and continue at the same velocity its a _____ collision.
- inelastic
- the law of conservation states theat the totall momentun of all _____ interacts wiht oneanother and reamains ________ regardless of the nature of outside forces
- objects, constant
- If an ice skater started at a velocity of 5m/s then changed to 9 m/s, what must have happened?
- the speed increased
- When a shopping cart collides with the wall what happens to the momentum?
- it decreases
- Why is more time to complete the egg drop project appreaciated by by students and the eggs?
- Longer time interval = less impulse
- A _____ blank constant force acting over a long time interval causes a ____ change
- Small, small
- a student walks at a constant velocity of X, to avoid walking into a door as it opens he slows down to a velocity of Y. When was his least momentum?
- when he avoided the door
- after colliding, objects are deformed and lose some kenetic energy, which must be a _________ collision.
- inelastic
- How do you determine the momentum of an object?
- p=mv
- in a collison between 2 objects _________ is conserved.
- momentum
- The impulse experience by a body is equevelant to the bodys change in__________
- momentum