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A 22.5-kg rock is sliding on a rough, horizontal surface at 9.50 m/s and eventually stops due to friction. The coefficient of kinetic friction between the rock and the surface is 0.190. What average power is produced by friction as the rock stops?
what is the ratio of the amplitude of damped oscillations.
At what angle should a curve of radius 155m be banked, so cars can travel safely at 26m/s without relying on friction.
A person exerts a force of 120N on a rope that pulls a sled across a very smooth surface. The rope is oriented 37 degrees above the horizontal. Determine the speed of the sled after moving for 10 m
a satellite orbits the earth a distance of 1.50x10^7m above the planet's surface and takes 4.89 hours for each revolution about the earth. what is the acceleration of this satellite
The suspended 2.82 kg mass on the right is moving up, the 2.2 kg mass slides down the ramp, and the suspended 8.1 kg mass on the left is moving down. There is friction between block and ramp. What is the acceleration of a three block system.
A rectangular loop consists of N = 100 closely wrapped turns and dimensions a = 0.4m and b= 0.3m. What is the expected direction of rotation of the loop
What is the energy in joules of an x-ray photon with wavelength 1.95 10-9 m, Convert the energy to electron volts
The rocket's speed was measured to be 1.49 c. The rocket's rest length is 380m. An observer flying through measured the rocket to be 199m long.
Analysis of Physics, Two pistons push down on the fluid filling two cylinders connected by a narrow hose, as shown in the figure. The area A1 is 1 square inch, and the area A2 is 10 square inches
An ?-particle has a charge of +2e and a mass of 6.64 ? 10-27 kg, What is the speed of the ?-particle and What is the radius of its circular path
Find out the magnitude and direction of the displacement
Coherent light with wavelength 600 nm passes through two very narrow slits and the interference pattern is observed on a screen 5.00 m from the slits. The first-order bright fringe is at 4.74 mm from the center of the central bright fringe. For what ..
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