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Physics, 21.06.2019 15:00
Aparticle moves according to a law of motion s = f(t), 0 β€ t β€ 12, where t is measured in seconds and s in feet. f(t) = cos(Οt/6) (a) find the velocity at time t (in ft/s).
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Physics, 22.06.2019 07:00
Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.
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Physics, 22.06.2019 08:00
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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Physics, 22.06.2019 16:00
Suppose a soccer ball is kicked from the ground at an angle 20.0ΒΊ above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.
Answers: 2
Polly is pushing a box across the floor with a force of 30 N. The force of gravity is -8 in, and the...
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