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A large grinding wheel in the shape of a solid cylinder of radius 0.330 meter is free to rotate on a frictionless, vertical axle. A constant tangential force of 280 Newton applied to its edge causes the wheel to have an angular acceleration of 1.045 rad/s2.
(a) Evaluate what is the moment of inertia of the wheel?
(b) Compute what is the mass of the wheel?
(c) If the wheel starts from rest, determine its angular velocity after 4.10 s have elapsed, suppose the force is acting during that time?
A 2.0cm X 2.0cm parallel-plate capacitor has a 2.0mm spacing. The electric field strength inside the capacitor is 1.5×10^5 V/m. how much is the charge on each plate
q1. a 3.988x10-26 kg mass particle with negative -1.44x10-18 c charge is initially moving at 50ms parallel to a wire
Given: The speed of sound in air is 343m/s. The length of a hollow pipe is 632 cm. The air column in the pipe is vibrating and has four nodes. Determine the frequency of the sound wave in the hollow pipe.
A wire with a resistance of 7.1 Ω is drawn out through a die so that its new length is 5 times its original length. Find the resistance of the longer wire, assuming that the resistivity and density of the material are unchanged.
When a 79-m-long metal pipe is heated from 14 °C to 39 °C, it lengthens by 2.56 cm. Determine the linear expansion coefficient
A flight attendant pulls her 75 N flight bag a distance of 305 m along a level airport floor at a constant velocity. Find the work she does on the flight bag
A catapult launches a rock at at 50 degree angle with respect to the horizontal. Find the maximum height attained if the speed of the rock at its highest point is 26m/s
A cylinder contains a piston on each side of which is one kilomole of an ideal gas. The walls of the cylinder are diathermal, What is the change in the Helmholtz potential
the dome of a van de graff generator receives a charge of 2.0 x 10-4 c. find the strength of the electric field a
A beam of light is incident on a plane mirror at an angle of 30 degrees to the normal of the mirror. find the angle between the incident beam and reflected beam
The image produced by a concave mirror is located 20 cm in front of the mirror. How far in front of the mirror is the object located
A small glass bead has been charged to + 10nC. A metal ball bearing 1.90cm above the bead feels a 1.20×10-2 N downward electric force. What is the charge on ball bearing.
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