Question
A cheetah spotted a fox running away at 6 m/s and
started chasing it at 10 m/s. The fox was 120 metres ahead at that moment. Find the time taken by the cheetah to catch the fox.Solution
Relative speed of cheetah w.r.t fox = 10 − 6 = 4 m/s
So, required time = 120 ÷ 4 = 30 seconds
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