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A ball starts falling with zero initial velocity. Having fallen a distance h, it comes in contact with a smooth inclined surface, which forms an angle α with the horizontal. The ball rebounds elastically off that surface. Find at what distance from the impact point will the ball touch this inclined surface again?
Objects A and B have the equal mass of 3.4 kilogram and are at their melting point, Find the latent heat of fusion for the substance from which each object is made
A 130 cm length of string has a mass of 3.5 g. It is stretched with a tension of 5.9 N between fixed supports. (a) What is the wave speed for this string? (b) What is the lowest resonant frequency of this string?
A basketball player is 15 {\rm ft} horizontally from the center of the basket, which is 10 {\rm ft} off the ground. At what angle should the player aim the ball
A performer, seated on a trapeze, is swinging back and forth with aperiod of 9.50 s. what will be the new period of the trapeze
The ball strikes the floor at a speed of 7.8 m/s. Illustrate what was the initial speed of the ball? Assume that air resistance is negligible.
A metal rod with a length of 22.0cm lies in the xy-plane and makes an angle of 37.9 degrees with the positive x-axis, What is the magnitude of the emf induced in the rod
A beam of neutrons that all have the same energy scatters from the atoms that have a spacing of 9.30×10^?2nm in the surface plane of a crystal
an electron that has a horizontal initial speed of 4.50e6 ms enters a region that has an electric field of 120 vm
You ski straight down a 43.4° slope, starting from rest and traveling a distance of 10.3 m along the slope. Find your final velocity
question 50g of gasoline are mixed with 40g of water. what is the average density kgm3 of the mixture? 55g of gasoline
the magnetic field of the earth can be modeled as being caused by a giant bar magnet lying along the earths axis. if
A hollow, thin-walled sphere of mass 12.0kg and diameter 47.0cm is rotating about an axle through its center. find the angular momentum of the sphere
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