Question

3. A body moves from A to B at a speed of 10 m/s
and back to A along the same path at a speed
of 20 m/s. Find its average speed and average
velocity for the journey.
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Answer 1

Answer:

average speed=12m/s

average velocity=10m/s

Explanation:

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Answer 2

Answer:

Velocity is zero

V = displacement/ time

Since displacement is zero velocity is also zero.

Average Speed = (10 + 20) m/s / 2

= 15m/s

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