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23 Nov 2019
A solid wheel on a game show is given an initial counterclockwiseangular velocity of +1.12 rad/s. It comes to rest after rotatingthrough 3/4 of a turn.
(a) Find the torque (vector) exerted on the wheel given that it isa disk of radius 0.76 m and mass 6.4 kg.
(b) Assuming that the torque is unchanged, but the mass of thewheel is halved and its radius is doubled. How will this affect theangle through which it rotates before coming to rest? (Make sureyou understand the reasoning.)
A solid wheel on a game show is given an initial counterclockwiseangular velocity of +1.12 rad/s. It comes to rest after rotatingthrough 3/4 of a turn.
(a) Find the torque (vector) exerted on the wheel given that it isa disk of radius 0.76 m and mass 6.4 kg.
(b) Assuming that the torque is unchanged, but the mass of thewheel is halved and its radius is doubled. How will this affect theangle through which it rotates before coming to rest? (Make sureyou understand the reasoning.)
Collen VonLv2
24 Jun 2019
