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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
one unit.
In the absence of an external force, the momentum of a system remains unchanged.
zero.
the same as before.
A collision in which objects rebound without lasting deformation or the generation of heat.
less than before.
more time to change the momentum of falling rocks.
All of these.
The definition of the law of conservation of momentum is:
one unit.
In the absence of an external force, the momentum of a system remains unchanged.
zero.
the same as before.
A collision in which objects rebound without lasting deformation or the generation of heat.
less than before.
more time to change the momentum of falling rocks.
All of these.
A big fish swims up on and swallows a small fish at rest. Right after lunch, the momentum of the big fish is
one unit.
In the absence of an external force, the momentum of a system remains unchanged.
zero.
the same as before.
A collision in which objects rebound without lasting deformation or the generation of heat.
less than before.
more time to change the momentum of falling rocks.
All of these.
A big fish coasts up to and swallows a small fish at rest. Right after lunch, the speed of the big fish is
one unit.
In the absence of an external force, the momentum of a system remains unchanged.
zero.
the same as before.
A collision in which objects rebound without lasting deformation or the generation of heat.
less than before.
more time to change the momentum of falling rocks.
All of these.
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
one unit.
In the absence of an external force, the momentum of a system remains unchanged.
zero.
the same as before.
A collision in which objects rebound without lasting deformation or the generation of heat.
less than before.
more time to change the momentum of falling rocks.
All of these.
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
one unit.
In the absence of an external force, the momentum of a system remains unchanged.
zero.
the same as before.
A collision in which objects rebound without lasting deformation or the generation of heat.
less than before.
more time to change the momentum of falling rocks.
All of these.
The definition of an elastic collision is:
one unit.
In the absence of an external force, the momentum of a system remains unchanged.
zero.
the same as before.
A collision in which objects rebound without lasting deformation or the generation of heat.
less than before.
more time to change the momentum of falling rocks.
All of these.
An example of an inelastic collision is:
one unit.
In the absence of an external force, the momentum of a system remains unchanged.
zero.
the same as before.
A collision in which objects rebound without lasting deformation or the generation of heat.
less than before.
more time to change the momentum of falling rocks.
All of these.
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