A rock is thrown from the edge of the top of a 122 m tall building at some unknown angle above the horizontal. The rock strikes the ground a horizontal distance of 178 m from the base of the building 5.1 s after being thrown. Assume that the ground is level and that the side of the building is vertical. Determine the speed with which the rock was thrown.

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A: Horizontal velocity component  V = viCosΘ V =18.1Cos39.5 V = 13.96 m/s

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Q: You are standing 18.0 meters away from a building, which is 15.0 meters tall and has a large, flat…

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Q: In the Olympic shot-put event, an athlete throws the shot with an initial speed of 12 m/s at an…

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Projectile Motion