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A charge of -5.29 nC is uniformly distributed on a thin square sheet of non conducting material of edge length 23.3 cm. What is the surface charge density of the sheet?
A thin rod (length = 1.762 m) is oriented vertically, with its bottom end attached to the floor by means of a frictionless hinge. find the magnitude of the angular acceleration of the rod
At a rock concert, a meter reads 130 dB when placed 2.80 meters in front of a loudspeaker. Find what was the sound power output of the speaker assuming uniform, isotropic sound propagation
A car with a total mass of 1.93 103 kg has wheels of radius 35.0 cm and moment of inertia 0.715 kg · m2. Find the car's rotational energy when the car is moving at a speed of 30.0 m/s
A tuning fork produces a steady400 Hz tone. When this tuning fork is struck and held near avibrating guitar string, find the possible frequencies produced by the guitar string
A destroyer sends a sonar pulse out to detect a submarine directly below the ship in the ocean. find how deep is the submarine
A steel wire with mass 22.3 g and length 1.08 m is strung on a bass so that the distance from the nut to the bridge is 1.10 m. Compute the linear density of the string
A 1300kg car is going 50mph. Find the thermal energy created in the car's brakes when stopping the car. Express your answer to two significant figures and include the appropriate units.
The wheels, axle, and handles of a wheelbarrow weigh W = 68 N. The load chamber and its contents weigh WL = 605 N. Find the magnitude of the man's force for both designs
Romeo (74.0 kilogram) entertains Juliet (58.0 kilogram) by playing his guitar from the rear of their boat at rest in still water, Obtain how far does the 81.0 kilogram boat move toward the shore it is facing
An RLC circuit consists of a 863 ? resistor, a 49 µF capacitor, and a 265 mH inductor, connected in series with a 78.2 V, 96 Hz power supply. What is the phase angle between the current and the applied voltage? Answer between -180? and +180?
The United States uses 1.12×1019J of electrical energy per year. How many kilograms of uranium would have to be mined per year to provide that much 235U
A coin with a diameter of 2.40 cm is dropped on edge onto ahorizontal surface. how far does the coin roll before coming to rest
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