Please answer #21 with full solutions. Thank you! Analyze the problems carefully, then solve them. Be systematic when answering. Write the given, label them; the required; and all calculations pertinent to the problem. Express your numerical answers with the appropriate number of significant figures.

College Physics
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Author:Raymond A. Serway, Chris Vuille
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Chapter5: Energy
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Problem 2P: In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using...
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Please answer #21 with full solutions. Thank you!

Analyze the problems carefully, then solve them. Be systematic when answering. Write the given, label them; the required; and all calculations pertinent to the problem. Express your numerical answers with the appropriate number of significant figures.

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, in Joules, 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 YOUR ANSWER FOR LETTER A BELOW.
Transcribed Image Text: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, in Joules, 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 YOUR ANSWER FOR LETTER A BELOW.
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