Problem 75 1992 Physics Gre

74. Two circular hoops, X and Y, are hanging on nails in a wall. The mass of X is four times that of Y, and the diameter of X is also ... A monoenergetic beam consists of unstable particles with total energies 100 times their rest energy. If the particles have rest mass ... 100. A uniform rod of length 10 meters and mass 20 kilograms is balanced on a fulcrum with a 40-kilogram mass on one end of ... 78. One ice skater of mass m moves with speed 2v to the right, while another of the same mass m moves with speed v toward the ... 78. A particle of mass M moves in a circular orbit of radius r around a fixed point under the influence of an attractive force... 66. A thin uniform steel chain is 10 meters long with a mass density of 2 kilograms per meter. One end of the chain is attached to a ...

82. A thin plate of mass M, length L, and width 2d is mounted vertically on a frictionless axle along the z-axis, as shown above. 45. A ball is dropped from a height h. As it bounces off the floor, its speed is 80 percent of what it was just before it hit the floor. The magnitude of the Earth's gravitational force on a point mass is F(r), where r is the distance from the Earth's center to the point ... Your support makes all the difference! By joining my Patreon, you'll help sustain and grow the content you love ... 19. Which of the following is most nearly the mass of the Earth? (The radius of the Earth is about 6.4 x 10^6 m) A. 6 x 10^24 B. 6 x ... 40. A rigid cylinder rolls at constant speed without slipping on top of a horizontal plane surface. The acceleration of a point on the ...