Physics, asked by pratham23102003, 10 months ago

plz answer this question

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Answered by zahaansajid

1

Initial angular velocity = 0rpm = 0rps

Final angular velocity = 2000rpm = 2000/60 rps

Time taken = 20s

Therefore,

v = u + at

2000/60 = a×20

a = 100/60 = 5/3rps²

S = ut + ½at²

S = 0 + ½×5/3×400

= 1000/3 revolutions

= 333.33 revolutions

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