Question

If of a body travels with speed 60m/s during half
of journey and other half with speed 40m/s. Find
the average speed of body ​

Answer 1

Answer:

Here

v1=60m/s

v2=40m/s

formula for when s1=s2

=2v1v2/v1+v2

=2 (60)(40)/60+40

=4800/100

=48m/s

Explanation:

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