A 32.0 kg wheel, essentially a thin hoop with radius 1.20 m, is rotating at 280 rev/min. It must be brought to a stop in 15.0 s. (a) How much work must be done to stop it? (b) What is the required average power?

Q: The angular position of a point on a rotating wheel is given by e = 4.77 + 5.64ť² + 3.15t³, where e…

A: According to guidlines, We have to solve only first three subparts.

Q: cylindrical salami (mass 1.20 kg, radius 4.00 cm) is released from rest at the top of ah = 4.00 m…

A: we have givenm=1.2 kgr=4.00 cmHeight of top (h)=

Q: Express the angular speed of 40 degrees per second in (a) rev/s, (b) rpm, (c) rad/s.

A: (given) Angular speed = 40 °/s (a)                   1°/s = 0.00277777 rev/s Angular speed of 40 °/s…

Q: A barrel of mass radius 0.5 m begins rolling without slipping down a ramp that is elevated 1 m above…

A:

Q: A wheel of radius 0.5 m completes 6 revolutions in 3 seconds while rotating with a constant speed.…

A:

Q: e rotational energy of

A:

Q: ) Convert 50.0° to radians. rad ) Convert 14.0 rad to revolutions. rev ) Convert 72.5 rpm to rad/s.…

A:

Q: The torque that a motor develops depends on the rotation rate of its drive shaft according to τ(ω) =…

A: The power of the engine is maximum when the angular speed is also maximum. The formula to calculate…