an object covers half the distance with a speed of 30m/s and the other half with a speed of 30m/s. calcuate the average speed of the whole journey.
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Answered by
1
hey!
simply, let first speed be v1 and second be v2.
=) Av = 2v1v2/(v1+v2)
= 2*30*30/(30+30)
= 2*30*30 / 60
= 30 m/s
hope it helps you!
simply, let first speed be v1 and second be v2.
=) Av = 2v1v2/(v1+v2)
= 2*30*30/(30+30)
= 2*30*30 / 60
= 30 m/s
hope it helps you!
Answered by
0
30m/s bcz first half distance and second half distance is 60 so avg 30m/s
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