A motor spins up the flywheel with a constant torque of 50 n⋅m. how long does it take the flywheel to reach top speed?

Question

Physics

Esmeralda Mathews

8 May, 04:49

A motor spins up the flywheel with a constant torque of 50 n⋅m. how long does it take the flywheel to reach top speed?

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Answers (1)

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Walter Black · Answer 1

A motor spins upward the flywheel with a persistent torque of 50N⋅m.

What time does it take the flywheel to get to the top speed?

From the equation:

Tj = J*dω/dt

you can get the two equations:

Δt1 = J1*Δω/Tj = 240*125.66/50 = 603.17 sec

Δt2 = J2*Δω/Tj = 120*125.66/50 = 301.58 sec