Physics, 02.10.2019 15:10 kimmmmmmy333
Abig league hitter attacks a fast ball. the ball has a mass of 0.16 kg. it is pitched at 38 m/s. after the player hits the ball, it is now traveling 44 m/s in the opposite direction. the impact lasted 0.002 seconds. how big of a force did the ballplayer put on that ball
Answers: 1
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Amira pulls a 3 pound wagon 4 feet. how much work has she done?
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Physics, 22.06.2019 10:00
The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.
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If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c
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Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f
Answers: 2
Abig league hitter attacks a fast ball. the ball has a mass of 0.16 kg. it is pitched at 38 m/s. aft...
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