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A man with a mass of 62 kilogram skis down a frictionless hill that is h = 2.2 meter high. At the bottom of the hill the terrain levels out. As the man reaches the horizontal section, he grabs a 20 kilogram backpack and skis off a 2.0 meter high ledge. Find at what horizontal distance from the edge of the ledge does the man land?
A heat transfer of 9.1 ? 105 J is required to convert a block of ice at -13°C to water at 13°C. What was the mass of the block of ice
On an airplane's takeoff, the combined action of the air around the engines and wings of an airplane exerts an 8020-N force on the plane, focussed upward at the angle of 55.0° above the horizontal. The plane rises with constant velocity in the vertic..
Three forces acting on an object are given by 1 = (?2.45 + 5.60) N, 2 = (5.30 ? 1.3) N, and 3 = (?42.5) N. What is the direction of the acceleration
Consider a skydiver who has stepped from a helicopter and is falling through air, before she reaches terminal speed and long before she opens her parachute. How does her speed change
A copper block with a mass of 400 grams is cooled to 77K by being immersed in liquid nitrogen. What is the mass of water in the cup, if the final temperature is -20.0°C
A light beam with wavelength 440. nm in a material then enters air and its wavelength becomes 577. nm. What is the index of refraction for the material
One component of a metal sculpture consists of a solid cube with an edge of length 0.211 m. Find the cube\'s mass
Two of the charges are negative and one is positive. Illustrate what work does the electric field have to do as these charges are assembled from infinity, without acceleration?
when venturing forth on planet x you throw a 5.65kg rock upward at 13.4ms and find that it returns to the same level
A father racing his son has 2/3 the kinetic energy of the son who has 2/3 the mass of the father. What is the origianal speed of the father
The Beretta Model 92S (the standard-issue U.S. army pistol) has a barrel 127 long. The bullets leave this barrel with a muzzle velocity of 334 .What is the acceleration of the bullet while it is in the barrel, assuming it to be constant?
An electric field applies a force of 9.11x10^-16N to an elctron emitted from the cathode-ray tube at essentially zero velocity. What is the instantaneous speed of the electron
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