QUESTION $7$

As a ship is approaching the dock at $45\mathrm{.}0c\frac{m}{s},$ an important piece of landing equipment needs to be thrown to it before it can dock. This equipment is thrown

at $15\mathrm{.}0\frac{m}{s}$ at $60\mathrm{.}0.-$ above the horizontal from the top of a tower at the edge of the water, $8\mathrm{.}75m$ above the ship's deck.

For this equipment to land at the front of the ship, at what distance D from the dock should the ship be when the equipment is thrown? Air resistance can be

neglected.

Express your answer in meters.$($ give your answer in three decimal places$).$