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A wheel is making revolutions about its axis with uniform angular acc .starting from rest it reaches 100 rev/sec in 4 sec find the angular acc find the angle rotated during these 4 sec

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by koriviravali

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by koriviravali

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hence 100*2*3.14=0+a*4

a=25*2*3.14

s=ut+1/2*a*t*t

s=0+1/2*25*4*4*2*3.14

s=25*8*2*3.14=200*2*3.14 radians=1256radians or 200rev