Physics, 18.09.2019 16:30 Ruchen

Aforce of 300 n is used to move a chair a distance of 2 m. how much work is done?

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Physics, 22.06.2019 10:00, jeffffffff

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Physics, 22.06.2019 20:10, hncriciacheichi

Two cannon balls weighing 18 kg and 24 kg are chained together and fired horizontally with a velocity of 165 m/s from the top of a 21-m wall. the chain breaks during the flight of the cannonballs and the 18-kg cannonball strikes the ground at t = 1.5 s, at a distance of 240 m from the foot of the wall, and 7 m to the right of the line of fire. determine the position of the other cannonball at that instant. neglect the resistance of the air.