A rock is projected from the edge of the top of a building with an initial velocity of 12.2 at an angle of 53°above the horizontal. The rock strikes the ground a horizontal distance of 25m from the base of the building. Assume that the ground is level and that the side of the building is vertical. How tall is the building

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A: To get the force in member BD and CD, we will use equilibrium conditions.  In equilibrium net force ...

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A:      HERE WE USE THE FORMULA OF TIME PERIOD OF SIMPLE PENDULUM.

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A: Given: The wavefunction is given as

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