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A 20-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 35 N. Starting from rest, the sled attains a speed of 2.6 m/s in 9.1 m. Find the coefficient of kinetic friction between the runners of the sled and the snow.
Find the moment of inertia of a solid uniform sphere of radius R which has a spherical cavity of radius R/2. The spherical cavity is centered at a point R/2 from the center of the sphere. Take the axis of rotation to go through the center of the sphe..
An operating gearbox (transmission) has 200. hp at its input shaft while 190. hp are delivered to the output shaft. Determine the rate of entropy production by the gearbox
A 300 hp car engine can deliver that maximum power at 6000 rpm. What is the engine's torque at that speed
Consider a collision between an alpha particle (mass 4 amu) and an initially stationary oxygen nucleus (mass 16 amu). What was the initial speed of the alpha particle
Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. find the distance in which the snowmobile coasts to a halt
A tile is dropped at a height of 12 Meters. The tile has a mass of 2.5kg. Calculate the final speed of the tile
Point P is at a potential of 500.0 kV and point S is at a potential of 200.0 kV. by how much does its kinetic energy change
question1a long straight wire has fixed negative charge with a linear charge density of magnitude 3.6 ncm. the wire is
Two capacitors are connected parallel to each other and connected to the battery with voltage 25V. By how much energy of the system decreases
The pressure on a 1 L-sample of water is increased from 1 atm to 200 atm, reducing its volume by 1%. Draw the pressure-versus-volume graph for this process
) If the pressure of the 2.2-cm3 volume is reduced to 1.2 10-11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container
As part of a safety investigation, two 1200- {rm kg} cars traveling at 24- {rm m/s} are crashed into different barriers.
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