Mathematics (AS & A Level) · Feb / March 2022 · Paper 42 · Question 3
9709
As printed in the paper
The question as text
A car of mass mkg is towing a trailer of mass 300kg down a straight hill inclined at 3Å to the horizontal at a constant speed. There are resistance forces on the car and on the trailer, and the total work done against the resistance forces in a distance of 50m is 40000J. The engine of the car is doing no work and the tow-bar is light and rigid.
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3(a)[3]
3(b)[2]
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