Chemistry, asked by ayush969, 1 year ago

a motor cyclist drives A to B with uniform speed of 50km/h and returns back with a speed of 20km/h.find its average speed

Answers

Answered by Anonymous

2

average speed formula. = 2× speed1 ×speed2/(speed1+speed2)
avg = 2×50×20/20+50
= 2×50×20/70
=200/7
=28. 5km/hr

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