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A winch is used to drag a 295N crate up a ramp at a constant speed of 84.0 cm/s by means of a rope that pulls parallel to the surface of the ramp. The rope slopes upward at 26.0 degrees above the horizontal, and the coefficient of kinetic friction between the ramp and the crate is 0.320. What is the tension in the rope? If the rope were suddenly to snap, what would be the acceleration of the crate immediately after the rope broke?
A 55.1-kg ice skater is moving at 4.00 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. Determine the force exerted by the horizontal rope on her arms
The engineer takes 0.400 seconds to react, and then applies the brakes. At what rate must the passenger train then decelerate in order to avoid a collision?
One of the strings on a violin has a tension of 70 N and a linear mass density of 6 g/s. Find the speed of transverse waves on this string
Five cubic feet of a gas at 90 pisg and 75 degree F are compressed to a volume of 2 cubic feet and the heated to a temperature of 250 degree F illustarte what is the new pressure? (General Ideal Gas Law)
An x-ray photon of initial energy 50.0 keV Compton scatters from an electron that is initially at rest. find the wavelength of the back-scattered photon
A person carries a long pole of mass 10kg and length 3.40 m at the angle of 60 degrees. Find the magnitude of the torque on the pole by reason of gravity.
A transparent oil with index of refraction 1.19 spills on the surface of water (index of refraction 1.33), producing a maximum of reflection with normally incident green light (wavelength 500 nm in air). Assuming the maximum occurs in the first order..
Elaine went to her outside faucet to fill a 0.0189-m3 bucket with water to wash her car. How long does it take to fill the bucket completely
A person is standing outdoors in the shade where the temperature is 33° C. What is the radiant energy absorbed per second by his head when it is covered with hair
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. What is the mass of the wheel
description the following assignment must be submitted to your instructor for evaluation. write out your solution using
An insulating rod of length 14.0 cm is bent into the shape of a semicircle and has a uniform total charge of -7.5 uC, Calculate the magnitude and direction of the electric field at the center of the semicircle arc
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