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OpenStudy (zephyr141):
projectile motion problem from the top of a building.
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OpenStudy (zephyr141):
A stone is thrown from the top of a building with an initial speed of 20 m/s and an angle of 30 degree above the horizontal. What is the initial velocity of the stone? The stone is thrown from a height of 45 m above the ground, find the time it takes the stone to reach the ground. What horizontal distance has the stone traveled when it lands? What is the stone's speed at the instant it is about to hit the ground?
OpenStudy (zephyr141):
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