A motorcyclist drives from A to B with a uniform speed of 30m/s and returns back with a speed of 20m/s , find the average speed and velocity
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Answer: use the formula 2vu÷u+v since the distance covered here in both cases is equal
So, 2×20×30÷ 20+30
= 120÷ 50
= 2.4 m/s
Explanation:
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