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Atmospheric pressure is about 1.0 105 Pa on average.
(a) What is the downward force of the air on a desktop with surface area 0.1 m2?
___ N
(b) Convert this force to pounds so you really understand how large it is.
___ lb
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The only force acting on a 2.7 kg canister that is moving in an xy plane has a magnitude of 2.7 N. The canister initially has a velocity of 3.0 m/s in the positive x direction, and some time later has a velocity of 7.4 m/s in the positive y direct..
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