Mathematics (AS & A Level) · May / June 2021 · Paper 42 · Question 1
9709
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A particle of mass 0.6 kg is projected with a speed of 4 m s−1 down a line of greatest slope of a smooth plane inclined at 10Å to the horizontal. Use an energy method to find the speed of the particle after it has moved 15 m down the plane. [3]
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