20. A 7.00-kg bowling ball moves at 3.00 m/s. How fast (in m/s) must a 2.45-g Ping-Pong ball move so that the two balls have the same kinetic energy? Answer: 160

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Be systematic when answering. Write the given, label them; the required; and all calculations pertinent to the problem. Answers provided should correspond to the solution.

20. A 7.00-kg bowling ball moves at 3.00 m/s. How fast (in m/s) must a 2.45-g Ping-Pong ball move so that the two
balls have the same kinetic energy?
Answer: 160
21. In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using only his teeth! (A)
How much work did Arfeuille do on the object? (B) What magnitude force did he exert on the object during the lift,
assuming the force was constant.
ENCODE YOU ANSWER FOR LETTER B BELOW.
Answer: 2758.7
Transcribed Image Text:20. A 7.00-kg bowling ball moves at 3.00 m/s. How fast (in m/s) must a 2.45-g Ping-Pong ball move so that the two balls have the same kinetic energy? Answer: 160 21. In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using only his teeth! (A) How much work did Arfeuille do on the object? (B) What magnitude force did he exert on the object during the lift, assuming the force was constant. ENCODE YOU ANSWER FOR LETTER B BELOW. Answer: 2758.7
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