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GCSE Questions: Momentum

Q5. Thea investigates collisions of trolleys on a horizontal airtrack.

 

 

Trolley A has a mass of 2kg - - - - - - - - - Trolley B has a mass of 2.5kg

(a) Write down the two quantities involved with motion which are conserved during an elastic collision.

[2 marks]

(b)

(i) Calculate the momentum of each trolley.

 

[4 marks]

(ii) The two trolleys collide and stick together after the collision.

Use your answers to (b)(i) to calculate the speed of the combined trolleys after the collision.

Record your answer to 2 significant figures

[4 marks]

10 Marks TOTAL]