Physics, 04.08.2019 00:30 jademckinziemea
Aweight of 18,000 lb is supported on a rectangular base plate that is 9 in. wide and 2 ft long. the base plate rests on a concrete slab. determine the stress that the base plate exerts on the concrete slab. express your answer in units of (a) lb/in.2 and (b) lb/ft2. (precision of 1 for (a) and of 1000 for (b))
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Atennis player used a tennis racket to hit a tennis ball with a mass of 0.25 kg with a force of 5.25 newtons. how does the force the tennis racket exerted on the tennis ball compare with the force the tennis ball exerted on the tennis racket? a. the force of the tennis racket on the tennis ball is equal in magnitude and opposite in direction to the force the tennis ball exerted on the tennis racket. b. the force of the tennis racket on the tennis ball is equal in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. c. the force of the tennis racket on the tennis ball is less in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. d. the force of the tennis racket on the tennis ball is greater in magnitude and opposite in direction as the force the tennis ball exerted on the tennis racket.
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Aweight of 18,000 lb is supported on a rectangular base plate that is 9 in. wide and 2 ft long. the...
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