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A rock is thrown at a window that is located 18.0 m above the ground. The...

A rock is thrown at a window that is located 18.0 m above the ground. The rock is thrown at an
angle of 40.0° above horizontal. The rock is thrown from a height of 2.00 m above the ground with
a speed of 30.0 m/s and experiences no appreciable air resistance. The rock strikes the window on
its upward trajectory.

a) How long is the rock in the air before striking the window?

b) What is the magnitude and direction of the rock as it stricks the window?

c) From what horizontal distance from the window was it released?

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