When a pitcher throws a baseball, it reaches a top speed of 42 m/s. If the
baseball takes 2 seconds to travel from the pitcher to the catcher, what is its
acceleration? (Assume the ball is moving at 0 m/s right before it leaves the
pitcher's hand.)
A. 21 m/s2
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B. 36 m/s2
C. 48 m/s2
D. 15 m/s2
Answers: 2
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The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f
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The air in an automobile tire with a volume of 2.60 ft3 is at 70°f and 21 psig. determine the amount of air that must be added to raise the pressure to the recommended value of 30 psig. assume the atmospheric pressure to be 14.6 psia and the temperature and the volume to remain constant. the gas constant of air is ru = 53.34ft⋅lbflbm⋅r(1 psia144 lbf/ft2) = 0.3704 psia⋅ft3lbm⋅r the amount of air that must be added to raise the pressure is lbm
Answers: 3
When a pitcher throws a baseball, it reaches a top speed of 42 m/s. If the
baseball takes 2 seconds...
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