Question

Hi

Challenge of the Phy

Who can Solve..

No spam★

Answer 1

use w1=w2+at
w1=initial angular speed
w2=final angular speed
w1=1200rpm=20rps
w2=3120rpm=52rps

52=20+a*16
a=2

then for no. of revolutions use s=w1t+(1/2)a*t^2

s=20*16+(1/2)*2*16^2
no. of revolutions = 576

PLZ MARK AS BRAINLIEST