Q1 a sanding disk with rotational inertia 24 10-3 kgbullm2

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Reference no: EM13354472

Q1. A sanding disk with rotational inertia 2.4 10-3 kg•m2 is attached to an electric drill whose motor delivers a torque of 8 N•m about the central axis of the disk. What are the following values about the central axis at the instant the torque has been applied for 140 ms?

(a) Angular momentum of the disk

(b) angular speed of the disk

Q2. A car travelling 99 {rm km/h} is 150 {rm m} behind a truck travelling 71 {rm km/h}.How long will it take the car to reach the truck?

Reference no: EM13354472

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