Physics, asked by cuteskie3511, 11 months ago

A car travels a certain distance with a speed of 40m/s and returns with a speed u.if the average speed for the whole journey is 48m/s what is the value of u

Answers

Answered by lebazir2004

1

Answer:56m/s

Explanation:average=total by time

SO,

40+56=96

96/2 =48m/s

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