Calculate the momentum of a kg ball moving at m/s.
Salam Academy Original Practice · Proposed mark scheme
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12 questions
The unit of momentum is
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A force of N acts for s. Calculate the impulse, in N s.
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A kg ball moving at m/s is caught and brought to rest. Calculate the size of its change in momentum.
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A car's crumple zone reduces the force on passengers in a crash because it
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The total momentum of a system is conserved when
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A kg trolley moving at m/s hits a stationary kg trolley. They stick together. Calculate their velocity just after the collision.
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The ball's momentum changes by kg m/s in s. Calculate the average force on it.
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A kg rifle fires a kg bullet at m/s. The rifle was at rest. Calculate the rifle's recoil speed.
Salam Academy Original Practice · Proposed mark scheme
A kg trolley moving right at m/s collides with a kg trolley moving left at m/s. They stick together. Calculate their velocity after the collision.
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A kg ball hits a wall at m/s and rebounds at m/s along the same line. Calculate the size of its change in momentum.
Salam Academy Original Practice · Proposed mark scheme
A kg car travelling at m/s hits a stationary kg car. The cars lock together. Calculate their speed just after the collision.
Salam Academy Original Practice · Proposed mark scheme