What is final kinetic energy
The flywheel of an engine has a moment of inertia 2.40 kg m^2 about its rotation axis.What constant torque is required to bring it up to an angular speed of 400 rev/min in a time of 8.50 s, starting from rest? What is its final kinetic energy?
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What is the horizontal distance between the elbow and the point where the weight of the forearm acts?
A charge of -3.80 nC and a charge of -6.00 nC are separated by a distance of 60.0 cm. Find the position at which a third charge of +7.30 nC can be placed so that the net electrostatic force on it is zero.
A uniform meter stick with a mass of 250 g is supported horizontally by two vertical strings, one at the 0.0 cm mark and the other at 90.0-cm mark. (a) What is the tension in each string? (b) Where on the meter stick must a 150-g weight be hung so
Explain how a decrease in set-up time can lead to a decrease in the average amount of inventory a firm holds, and why that would be beneficial?
A 810 kg sports car collides into the rear end of a 2000 kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.5 m before stopping. The police officer, knowing that the coefficient of kinetic frict
The two blocks in the figure are connected by a massless rope that passes over a pulley. The pulley is 11 in diameter and has a mass of 1.8 . As the pulley turns, friction at the axle exerts a torque of magnitude 0.40 . If the blocks are released
A train on a straight, level track has an initial speed of 35.0 km/h. How long did it take for the train to travel the 175 m?
A sanding disk with rotational inertia 8.1 x 10-3 kg·m2 is attached to an electric drill whose motor delivers a torque of magnitude 20 N·m about the central axis of the disk. About that axis and with torque applied for 29 ms, what is
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Describe the results, including any scores. Result: E6% Extraverted Action oriented, Outgoing, Expressive, Hands-On S17% Sensing Traditional,
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