a fan is rotating at 90 rpm. it is switched off. it stops after 21 revolutions . calculate the time taken by it to stop assuming that the frictional torque is constant.
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Answer:
90is stoped from21revolution
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Answered by
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answer in attachment
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- ᴍʀᴋ. ᴛʜᴀɴᴋs ᴀɴᴅ ʙʀᴀɪɴʟɪsᴛ
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