Question

A particle in a generator is accelerated from rest at the rate of 55 metre per second squared.What is the velocity at t=3s?What is the acceleration at t= 3s?What is the distance travelled in 3s?Graph the acceleration(as v-t graph) for 0 less then or equal to t less then or equal to 3s?​

Answer 1

u = Initial velocity = 0m/s (Starting from rest)

v = Final velocity = ?

a = 55m/s²

t = 3s

v = u+at

v = 0+55*3 = 165m/s

S = ut+1/2at²

S = 0 + 1/2*55*3 = 165/2

S = 84.5m

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