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A block of mass m is slides down africtionless inclined surface. The height of the block changes from h at the top to zero at the bottom of theincline. The block then slides across a frictionless horizontal surface and collides elastically with asecond block of mass 2m which is initially at rest. Find the velocity of each block immediately after the collision.
While remodelling your garage, you need to temporarily splice, end to end, an 80 m long copper wire that is 1.130 mm in diameter with a 49.0 m long aluminium wire that has the same diameter. The maximum current in the wires is 2.00 A.
The flywheel of a motorhas a mass of 35 kg and a moment ofinertia of 58 kg . m2. The motor develops aconstant torque of 250 N . m, and the wheel starts fromrest.
Two identical rectangular rods of metal are welded end to end witha temperature of T1 = 0o C on the left sideand a temperature of T2 = 100o Con the rightside. In 2.0 minutes, 10J is conducted at a constant rate from theright side to the left side.
Two converging lenses are used in a particular device. The first lens (the one closest to the object) has a focal length of 200 mm. Find the distance of the final image along with its magnification
A defibrillator consists of a 17.0-µF capacitor that is charged to 8.5 kV. What is the average power delivered to the tissues
Initially at a temperature of 87.0?C, 0.300m3 of air expands at a constant gauge pressure of 1.39×105Pa to a volume of 1.47m3, Compute the total work done by the air
A ball is thrown straight upward and returns to the thrower's hand after 2.70 s in the air. A second ballis thrown at an angle of 29.0° with the horizontal. At what speed must the second ball be thrown so that itreaches the same height as the one thr..
A hollow, conducting sphere with an outer radius of 0.258m and an inner radius of 0.210m has a uniform surface charge density of +6.68×10?6C/m^2. What is the electric flux through a spherical surface just inside the inner surface of the sphere
An arrow is shot at an angle such that it's horizontal velocity is 40 m/s and it's vertical velocity is 20 m/s. Find the horizontal distance the arrow will travel before hitting the ground.
A motorcycle is traveling up one side of a hill and down the other side. Determine the maximum speed that the cycle can have
Moon effect. Some people believe that the Moon controls their activities. By what percent does your weight (as measured on a scale) decrease
A 0.0500 kg cube of ice at an initial temperature of-15.0oC is placed in 0.600 kg of water at T =45.0oC in an insulated container of negligible mass. Calculate the change in entropy of the system
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