Physics, 15.10.2019 23:20 sccovell5601
Free fall: a rock is thrown directly upward from the edge of a flat roof of a building that is 56.3 meters tall. the rock misses the building on its way down, and is observed to strike the ground 4.00 seconds after being thrown. take the acceleration due to gravity to have magnitude 9.80 m/s2 and neglect any effects of air resistance. with what speed was the rock thrown?
Answers: 2
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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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A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
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How is the ideal mechanical advantage of a wheel and axle calculated?
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Free fall: a rock is thrown directly upward from the edge of a flat roof of a building that is 56.3...
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