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You stand 17.5 m from a wall holding a rock. You throw the rock at the wall at an angle of 22.5 degrees from the

You stand 17.5 m from a wall holding a rock. You throw the rock at the wall at an angle of 22.5 degrees from the ground with an initial speed of 20.5 m/s.

At what height y above its initial position does the rock hit the wall?

Ignore any effects of air resistance.

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