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4 Unit A2 2: Applied Mathematics (A-level only)

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Question 466

A force F F\,F newtons acts on a particle of mass 2 kg for 3 seconds. At time t t\,t seconds after the force begins to act, F=6t+2F=6t+2F=6t+2. The force acts in the positive direction along a straight line. Initially the particle has velocity 4 m s-1 in the negative direction.

a.

Find the impulse delivered by the force.

[3]
b.

Find the velocity of the particle after 3 seconds.

[3]
Markscheme

4 Unit A2 2: Applied Mathematics (A-level only) Questions

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