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In: Physics

A rock is projected from the edge of the top of a building with an initial velocity of 40 ft/s at an angle of 53 above the horizontal


A rock is projected from the edge of the top of a building with an initial velocity of 40 ft/s at an angle of 53 above the horizontal. The rock strikes the ground, a horizontal distance of 82 ft from the base of the building. Assume that the ground is 1evel and that the side of the building is vertical. How tall is the building? 


a) 77 ft (b) 97 ft (c) 90 ft (d) 83 ft

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