Question

A particle is moving along a circular path of radius 5m and with uniform speed 5 metre per second what will be the average acceleration when the particle completes half revolution

Answer 1

Given

Vi= 5m/s , r=5m aav=? Vf= -5m/s opposite direction

Distance= Rx π = 5π m

Time= distance/vi= 5π/5m/s=π second

Average acceleration= vf-vi /t= 5-(-5)/π=10/π m/s2

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