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When object A collides with object B and bounces back, its final momentum is __________________ its initial momentum.
change in momentum
The kinetic energy is conserved
16.7 m/s
equal to on both objects
doubled
in the opposite direction of
It is the same
equal to on both objects
A freight train rolls along a track with considerable momentum. If it were to roll at the same speed but had twice as much mass, its momentum would be
change in momentum
The kinetic energy is conserved
16.7 m/s
equal to on both objects
doubled
in the opposite direction of
It is the same
equal to on both objects
How does the total momentum of the two objects before a collision compare with the total momentum after the collision?
change in momentum
The kinetic energy is conserved
16.7 m/s
equal to on both objects
doubled
in the opposite direction of
It is the same
equal to on both objects
A 1500 kg car moving at 20 m/s collides elastically with a 1000 kg car moving at 5 m/s .If the velocity of 1000 kg car after collision is 10 m/s then what is the velocity of 1500 kg car
change in momentum
The kinetic energy is conserved
16.7 m/s
equal to on both objects
doubled
in the opposite direction of
It is the same
equal to on both objects
Impulse is equal to...
change in momentum
The kinetic energy is conserved
16.7 m/s
equal to on both objects
doubled
in the opposite direction of
It is the same
equal to on both objects
During a collision, the forces on the objects are...
change in momentum
The kinetic energy is conserved
16.7 m/s
equal to on both objects
doubled
in the opposite direction of
It is the same
equal to on both objects
During a collision, the forces on the objects are...
change in momentum
The kinetic energy is conserved
16.7 m/s
equal to on both objects
doubled
in the opposite direction of
It is the same
equal to on both objects
When two objects collide elastically the momentum is conserved. Which of the following is true about the kinetic energy during the collision?
change in momentum
The kinetic energy is conserved
16.7 m/s
equal to on both objects
doubled
in the opposite direction of
It is the same
equal to on both objects
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