Mathematics (AS & A Level) · Oct / Nov 2024 · Paper 43 · Question 1
9709
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An athlete has mass m kg. The athlete runs along a horizontal road against a constant resistance force of magnitude 24 N. The total work done by the athlete in increasing his speed from m 5 s 1 - to m 6 s 1 - while running a distance of 50 metres is 1541 J. Find the value of m. [4]
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