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A copper cylinder 1.50m long and 40.0cm in diameter stands onone end.
a. What is the mass of the cylinder?b. What force does it exert on the ground?c. What pressure does it exert on the ground?
An aluminum cup contains 225 g of water and a 40 g copper stirrer, all at 27°C. A 490 g sample of silver at an initial temperature of 90°C is placed in the water. Calculate the mass of the aluminum cup
A spaceship, traveling at 0.56c towards a stationary enemy station, What is the speed of the projectile relative to the station
An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire) and of length 2.7 m (9 ft) is connected to an electric heater which draws 11.5 A on a 120-V line
A 2.5-mC charge is on the 7-axis at y= 3.0m and a 6.3-mC charge is on the x-axis at x= 3.0m. What is the direction of potential at the origin
An elevator cable breaks when a 975 kg elevator is 24.5 m above the top of a huge spring (k = 8.00 x 10^4 N/m) at the bottom of the shaft. Calculate the amount the spring compresses
The 6.275 kg sledge hammer shown on the right has a small hole drilled at point "P" and a metal rod is inserted to act as a low-friction pivot. When the hammer is displaced slightly and allowed to swing from the pivot, its period of oscillation is ..
Charge is scattered uniformly throughout a long cylindrical shell of inner radius R and out radius 2R. At what radius is the electric field equal to one-half the value on the outer surface.
A small electric car overcomes a 250 N friction force when traveling 30 km/h. How much power is dissipated in the coils
A man is trying to get his car out of mud on the shoulder of a road. He ties one end of a rope tightly around the front bumper and the other end tightly around a utility pole a distance d away. What is the magnitude of the force on the car from the..
A fire hose ejects a stream of water at an angle of 35.8 ° above the horizontal. how far from a building should the fire hose be located to hit the highest possible fire
A marine biologist powers the 800 W, 24 V electric outboard motor on her boart from a 75 A*hr battery. How long can she run the motor before the battery is drained?
Jane plans to fly from Binghampton, New York, to Springfield, Massachusetts, about 280 km due east of Binghampton, What was the wind velocity
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