A stone is thrown horizontally with the velocity υ0 = 20 m/s from a tower. Find the kinetic energy of the stone in 2 sec. after motion begins. The mass of the stone m = 0.4 kg. Disregard the resistance of the air. g = 10 m⁄ S2.
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A stone is thrown horizontally with the velocity υ0 = 20 m/s from a tower. Find the kinetic energy of the stone in 2 sec. after motion begins. The mass of the stone m = 0.4 kg. Disregard the resistance of the air. g = 10 m⁄ S2.
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