Physics, asked by AaryanAgarwal3932, 1 year ago

A motorcyclist moves from a to b with a uniform speed of 30km/h and return backs with a speed of 20 km/h find average speed

Answers

Answered by saikat1998
2
the average speed is v then,
v = 2 v_{1} v_{2} \div (v_{1} +  v_{2})
so, v= 2×30×20÷(20+30)
=24 km/hour
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