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An electric fan is rotating at a speed of 600 rev/minute. When the power supply is stopped, it stops after 60 revolutions.

+2 votes
in JEE by kratos

An electric fan is 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

(a) 12 *

(b) 30 *

(c) 45 *

(d) 60 *

1 Answer

+4 votes
by kratos
 
Best answer

Correct Option (a) 12 s

Explanation:

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