Quick questions on Momentum, impulse and collisions: conservation, the coefficient of restitution and oblique impacts - OCR A-Level Further Maths A

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?

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Find the impulse needed to change a

2

kg mass from

3

m s

^{-1}

7

m s

^{-1}

. [2 marks]

What is q2?

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A ball approaches a fixed wall at

5

m s

^{-1}

and rebounds at

3

m s

^{-1}

. Find

e

. [2 marks]

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