PractiseQuestion bank
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12 questions
SA-5054-MF7-0012 marksL1 FoundationCalculatorMomentum
Calculate the momentum of a 0.50 kg ball moving at 4.0 m/s. Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF7-0031 markL1 FoundationCalculatorMomentum
The unit of momentum is
Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF7-0041 markL1 FoundationCalculatorImpulse
A force of 20 N acts for 0.50 s. Calculate the impulse, in N s. Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF7-0052 marksL1 FoundationCalculatorImpulse
A 0.20 kg ball moving at 15 m/s is caught and brought to rest. Calculate the size of its change in momentum. Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF7-0081 markL1 FoundationCalculatorImpulse
A car's crumple zone reduces the force on passengers in a crash because it
Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF7-0121 markL1 FoundationCalculatorMomentum
The total momentum of a system is conserved when
Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF7-0023 marksL2 StandardCalculatorMomentum
A 2.0 kg trolley moving at 3.0 m/s hits a stationary 1.0 kg trolley. They stick together. Calculate their velocity just after the collision. Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF7-0062 marksL2 StandardCalculatorImpulse
The ball's momentum changes by 3.0 kg m/s in 0.020 s. Calculate the average force on it. Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF7-0073 marksL2 StandardCalculatorMomentum
A 4.0 kg rifle fires a 0.010 kg bullet at 400 m/s. The rifle was at rest. Calculate the rifle's recoil speed. Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF7-0102 marksL2 StandardCalculatorMomentum
A 1.0 kg trolley moving right at 6.0 m/s collides with a 2.0 kg trolley moving left at 3.0 m/s. They stick together. Calculate their velocity after the collision. Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF7-0093 marksL3 ExamCalculatorImpulse
A 0.10 kg ball hits a wall at 10 m/s and rebounds at 8.0 m/s along the same line. Calculate the size of its change in momentum. Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF7-0113 marksL3 ExamCalculatorMomentum
A 1500 kg car travelling at 20 m/s hits a stationary 1000 kg car. The cars lock together. Calculate their speed just after the collision. Salam Academy Original Practice · Proposed mark scheme