Physics, 17.02.2020 23:11 Govind3793
A ball is thrown straight up with an initial speed of 20 m/s. The ball was released 2 m above the ground, but when it returns back down, it falls into a hole 11.5 m deep. What is the ball’s speed (in m/s) at the bottom of the hole? You may treat this as an isolated system.
Answers: 3
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Four identical lab carts each have a mass of 200 kg. different masses are added to the carts and the velocities are measured. all carts move to the right.
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A ball is thrown straight up with an initial speed of 20 m/s. The ball was released 2 m above the gr...
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