Mathematics (AS & A Level) · Feb / March 2019 · Paper 42 · Question 4
9709
As printed in the paper
The question as text
A car of mass 1500 kg is pulling a trailer of mass 300 kg along a straight horizontal road at a constant speed of 20 m s−1. The system of the car and trailer is modelled as two particles, connected by a light rigid horizontal rod. The power of the car’s engine is 6000 W. There are constant resistances to motion of R N on the car and 80 N on the trailer.
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4(i)[2]
4(ii)[5]
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