Physics, 09.10.2019 23:10 xbeatdroperzx
Acat jumps from a window 3 m from ground level. its initial speed is 3 m/s, at 30° above the horizontal. disregard air resistance. a) how long does it stay in the air? b) how far from the building does it hit the ground? c) what is its velocity when it hits the ground?
Answers: 3
Physics, 22.06.2019 13:10
Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.
Answers: 1
Physics, 22.06.2019 21:10
Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius 푅=0.381meters and mass 푀=3.1푘푔. initially 푚"is on the ground and 푚#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of 푚#just before it strikes the ground. assume the pulley bearing is frictionless.
Answers: 2
Acat jumps from a window 3 m from ground level. its initial speed is 3 m/s, at 30° above the horizon...
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