Flywheels are large, massive wheels used to store energy. They can be spun up slowly, then the wheel's energy can be released quickly to accomplish a task that demands high power. An industrial flywheel has a 1.5 m diameter and a mass of 250 kg. Its maximum angular velocity is 1200 rpm. 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?
Answers: 2
Physics, 22.06.2019 06:00
A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s
Answers: 1
Physics, 22.06.2019 07:20
If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?
Answers: 3
Physics, 22.06.2019 12:10
Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)
Answers: 3
Flywheels are large, massive wheels used to store energy. They can be spun up slowly, then the wheel...
Mathematics, 11.03.2021 21:20
Mathematics, 11.03.2021 21:20
Social Studies, 11.03.2021 21:20
Mathematics, 11.03.2021 21:20
Arts, 11.03.2021 21:20
Mathematics, 11.03.2021 21:20
Biology, 11.03.2021 21:20
Mathematics, 11.03.2021 21:20
Mathematics, 11.03.2021 21:20
Mathematics, 11.03.2021 21:20
History, 11.03.2021 21:20