Question

what us the average velocity of a man who travels the first half time with a velocity v1 and the second half time with a velocity V2
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Answer 1

Answer:

For the first half time=t, velocity=v

1

, distance=s

1

=v

1

t

For the second half time=t, velocity=v

2

, distance=s

2

=v

2

t

Mean velocity =

t+t

s

1

+s

2

=

2t

v

1

t+v

2

t

=

2

v

1

+v

2

Answer 2

Explanation:

refer the attachment for solution.

hope it helps!