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Momentum. 1)What is the equation the links momentum with mass and velocity? …………………………………………………………………..(1mark) 2)A car of mass 1000kg is travelling at.

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Presentation on theme: "Momentum. 1)What is the equation the links momentum with mass and velocity? …………………………………………………………………..(1mark) 2)A car of mass 1000kg is travelling at."— Presentation transcript:

1 Momentum

2 1)What is the equation the links momentum with mass and velocity? …………………………………………………………………..(1mark) 2)A car of mass 1000kg is travelling at 15m/s, what is its momentum? ……………………………………………………………………(1 mark) 3)A car of mass 1000kg has a momentum of 13000kgm/s, what is its speed? ……………………………………………………………………(1 mark) 4)A car travelling at 11.5m/s has a momentum of 12000kgm/s, what is its mass? ……………………………………………………………………(1 mark) 5)A 0.5kg trolley A is pushed at a velocity of 1.2m/s into a stationary trolley B of mass 1.5kg. The two trolleys stick to each other after the impact. What is the momentum of trolley A before the collision. What is the velocity of the two trolleys after the collision? ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………(3 marks) 6)A car is travelling at 10m/s, it hits and stays in contact with another car of the same mass. What is the resultant speed of the two cars together? ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………(2 marks) 7)A car of mass 950kg is travelling at 20m/s when it shunts another car of mass 1000kg which is travelling at 15m/s. What is the momentum of each car before the collision and what is the velocity of the two cars together after the collision? ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… …………………………………………………………………… (3 marks) 8)Trolley A of mass 2kg is travelling at 0.3m/s. Trolley B of mass 2.5kg is travelling in the opposite direction at 0.2m/s. The two trolleys collide and stick together. At what velocity do the trolleys travel after the collision? ……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… …………………………………… (3 marks)

3 8) What equation links change in momentum, time and force? ………………………………………………………………… (1 mark) 9) A bullet of mass 0.004kg moving at a speed of 90m/s is stopped by a little bullet-proof vest in s. Calculate the impact force. ………………………………………………………………………… (1 mark) 10) At turn 8 of the Spanish grand prix Heikki Kovalainen went off the track at 150miles per hour (67m/s). The car hit the tyre wall and came to a stop in 0.008s. A F1 car has a mass of 604kg. Calculate the force on the car. …………………………………………………………………………………… ………………………………………………………………………………… ………………………………………………………………………………… ……………………………………………...(2 marks) 11) A car of mass 900kg is travelling at 13m/s when it hits another car of mass 750kg. Both cars then collide into a wall and come to a stop with an acceleration of -0.5m/s2. How long did it take the cars to com to a complete stop and what was the force on the cars during this time? …………………………………………………………………………………… ………………………………………………………………………………… ………………………………………………………………………………… …………………………………………… ………………………………………………………………………………… ………………………………………………………………………………… ………………………………………………………………………………… ………………………………………………...(4 marks)


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