When the power to an electric motor is turned on the motor reaches its rated speed of
Question:
When the power to an electric motor is turned on the motor reaches its rated speed of 2400 rpm in 4s, and when the power is turned off the motor coasts to rest in 40s. Assuming uniformly accelerated motion, determine the number of revolutions that the motor executes
(a) In reaching its rated speed,
(b) In coasting to rest.
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a b 0 2400 rpm 2400 2 60 a at at 80 rads a 0 807 rads 1...View the full answer
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