A particle moves on circular path of radius 5m

Asked by admin @ 20/08/2021 in Physics viewed by 293 People

A particle is moving along a circular path of radius 5m with uniform speed 5m/s. What will be average acceleration when the particles completes half revolution

Answered by admin @ 20/08/2021

As the average acceleration is change in velocity over the time taken,

In this case when the half revoultion is over the direction in the speed changes by 180 degrees,

so the change in velocity = 5- (-5) = 10m/s

The time taken to cover this distance = π∗r/5=5π/5=π(as the distance travelled is semicircle)

So, average acceleration = 10/πms-1
Hope it helps!!

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