Question: 1 . A 6. 50 ka ball hangs from the end of a 1.75 m rope . The ball is pulled back until the rope

1 . A 6. 50 ka ball hangs from the end of a 1.75 m rope . The ball is pulled back until the rope makes a 450 angle with the vertical . What is the gravitational potential energy of the system ? a. 32.495 b. 52J C. 78.82 J d . o e. 111. 48 J 2 A 16500 kq car travels at a speed of 12.5 mus . What is its kinetic energy ? a . 13000 0 J b. 1289 062. 50 J c. 100 3125 J d. 206 250 ) e. 14 000 J

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