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Bored, a boy shoots his pellet gun at a piece of cheese that sits, keeping cool for dinner guests, on a massive block of ice. On one particular shot, his 1.0 g pellet gets stuck in the cheese, causing it to slide 25 cm before coming to a stop. If the muzzle velocity of the gun is 61 m/s and the cheese has a mass of 108 g, what is the coefficient of friction between the cheese and ice?
A 50 kg rock climber accidentally falls from the side of a rock and freefalls until she is stopped by her 9 m saftey rope. what was the average force felt by the rock climber
Electrons from a heated filament pass through a hole in the cathode. They are then accelerated between the cathode and anode. what direction are the electrons deflected
How far does the car go before it stops. A car traveling at 50m/s runs out of gas while traveling up a 30 degree slope. how long will it travel before it rolls back down.
Two 2.00 cm diameter disks spaced 2.239 mm apart from a parallel plate capacitor. The electric field between the disks is 445,140.438 V/m. What was the electron's speed as it left the negative plate
A person lifts a 5kg cement block a vertical distance of 2.3m and after that aeries the block horizontally a distance of 6m. Determine the work completed by the person and by the force of gravity in this process.
what is the total amount of work done by friction. The supplies should be dropped how various seconds before the plane is directly overhead.
An electromagnetic eve has an electric field with a peak value of 150 N/C. What is the average intensity of the wave
A sledge loaded with bricks has a total mass of 18.3 kg and is pulled at constant speed by a rope inclined at 19.7° above the horizontal. What is the mechanical energy lost due to friction
A bungee jumper (m = 66.00 kg) tied to a 48.00 m cord, leaps off a 78.00 m tall bridge. What size impulse is exerted on the bungee jumper while the cord stretches
A projectile is fired at 67.5 o above the horizontal. Its initial speed is equal to 90.0 m/s. evaluate the maximum height reached by the projectile
A Young's double-slit interference experiment is performed with blue-green argon laser light. The separation between the slits is 0.525 mm, What is the wavelength of argon laser light
A hollow, thin-shelled ball of mass m rolls along a horizontal surface with a translational speed of v. What percent of its total kinetic energy is translational
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