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9. A child wants to pump up a bicycle tire so that its pressure is 1.2 x 10 Pa above that of atmospheric pressure. If the child uses a pump with a circular piston 0.035 m in diameter, what force must the child exert? A) 120 N B) 89 N C) 76 N D) 64 N E) 240 N

9. A child wants to pump up a bicycle tire so that its pressure is 1.2 x 10 Pa above that of atmospheric pressure. If the child uses a pump with a circular piston 0.035 m in diameter, what force must the child exert? A) 120 N B) 89 N C) 76 N D) 64 N E) 240 N

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9. A child wants to pump up a bicycle tire so that its pressure is 1.2 x 105 Pa above that of atmospheric pressure. If the child uses a pump with a circular piston 0.035 m in diameter, what force must the child exert? A) 120 N B) 89 N C) 76 N Dj 64 N E) 240 N
Transcribed Image Text:9. A child wants to pump up a bicycle tire so that its pressure is 1.2 x 105 Pa above that of atmospheric pressure. If the child uses a pump with a circular piston 0.035 m in diameter, what force must the child exert? A) 120 N B) 89 N C) 76 N Dj 64 N E) 240 N
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