The definition of the law of conservation of momentum is:
Another definition of the law of conservation of momentum is:
Which of the following is true of systems?
If a system is a soccer ball, then which of the following forces would be internal to the system?
The definition of an elastic collision is:
An example of an elastic collision is:
An inelastic collision is:
An example of an inelastic collision is:
Which of the following statements is most true about bouncing and impulse, given two objects of the same mass?
Which of the following scenarios involves the greatest change in momentum?
When a falling object bounces as it hits the ground
Nets used to catch falling boulders on the side of rocky hillside roadways are more effective than rigid fences because their breakage is reduced by
Standing still on a skateboard, you catch a ball tossed horizontally to you. The mass of the ball is one-tenth your mass. Compared with the speed of the caught ball, the speed that both you and the caught ball acquire is
When Jake tosses a ball while standing still on his skateboard, he and his skateboard recoil. If he goes through the motions of tossing the ball, but doesn’t toss it, his net recoil will ideally be
When you say momentum is conserved, you mean that
In the absence of external forces, momentum is conserved in
A big fish coasts up to and swallows a small fish at rest. Right after lunch, the speed of the big fish is
A big fish swims up on and swallows a small fish at rest. Right after lunch, the momentum of the big fish is
A piece of clay moving with one unit of momentum strikes and sticks to a heavy bowling ball initially at rest. After the clay sticks, both the clay and ball ideally move with a combined momentum of
A pair of spiral galaxies collide and merge to form one larger elliptical galaxy. Astronomers assume that the momentum of the new elliptical galaxy is
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