91Ó°ÊÓ

A flywheel rotates at 1050 rpm. (a) How long (in s) does it take to complete one revolution? (b) How many revolutions does it complete in \(5.00 \mathrm{~s}\) ?

Find the power developed by an engine with a torque of \(16 \overline{0} 0 \mathrm{~N} \mathrm{~m}\) applied at \(15 \overline{0} 0\) rpm.

A wheel rotates at \(36.0 \mathrm{rad} / \mathrm{s}\). (a) How long (in s) does it take to complete one revolution? (b) How many revolutions does it complete in \(8.00 \mathrm{~s}\) ?

Find the power developed by an engine with torque \(1250 \mathrm{~N} \mathrm{~m}\) applied at \(5000 \mathrm{rpm}\)

A \(55, \overline{0} 00-\mathrm{kg}\) truck rounds a curve at \(62.0 \mathrm{~km} / \mathrm{h}\). If the radius of the curve is \(38.0 \mathrm{~m}\), what is the centripetal force on the truck?

The radius of a curve is \(27.5 \mathrm{~m}\). What is the centripetal force on a \(10, \overline{0} 00-\mathrm{kg}\) truck going around it at \(35.0 \mathrm{~km} / \mathrm{h}\) ?

A shaft of radius \(8.50 \mathrm{~cm}\) rotates \(7.00 \mathrm{rad} / \mathrm{s}\). Find its angular displacement (in rad) in \(1.20 \mathrm{~s}\).

Find the angular velocity of a motor developing \(10 \overline{0} 0 \mathrm{~W}\) of power with a torque of \(15 \overline{0} \mathrm{~N} \mathrm{~m}\)

A wheel of radius \(0.240 \mathrm{~m}\) turns at \(4.00\) rev/s. Find its angular displacement (in rev) in \(13.0 \mathrm{~s}\).

A motor develops \(0.75 \mathrm{~kW}\) of power at \(2 \overline{0} 00\) revolutions per \(1 \overline{0} \mathrm{~min}\). What torque is applied to the motor shaft?