An electric fan 15 rotating ata speed of 600 rev/minute. When the power supply is stopped, it stops after 60 revolutions. The time taken to stop is

Question:

5. An electric fan 15 rotating at\a speed of 600 rev/minute. When the power supply is stopped, it stops after 60 revolutions. The time taken to stop is

Options :

a) 12s
b) 30s
c) 45s
d) 60s

Answer :

a) 12s

Answer Steps :

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Step2 :-

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