Mathematics (AS & A Level) · Oct / Nov 2023 · Paper 42 · Question 1
9709
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A block of mass 15kg slides down a line of greatest slope of an inclined plane. The top of the plane is at a vertical height of 1.6m above the level of the bottom of the plane. The speed of the block at the top of the plane is 2ms−1 and the speed of the block at the bottom of the plane is 4ms−1. Find the work done against the resistance to motion of the block. [4]
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