Find the angular momentum and angular speed of the disk

Reference no: EM1363298

Q. Two positive point charges are 7.05 cm apart. If the electric potential energy is 63.2 mJ, what is the magnitude of the force (in mN) between the two charges?

Q. A sanding disk with rotational inertia 1.4*10^-3 kg·m^2 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 160 ms?

Reference no: EM1363298

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