An arrow is shot at an angle of 45 degrees above the horizontal. The arrow hits

Question

An arrow is shot at an angle of 45 degrees  above the horizontal. The arrow hits a tree a horizontal distance of 220 m away, at the same height above the ground as it was shot. Use g=9.8 m/s^2 for the magnitude of the acceleration due to gravity. Find Ta, the time the arrow spends in the air.

Suppose someone drops an apple from a vertical distance of 6.0 meters, directly above the point where the arrow hits the tree. How long after the arrow was shot should the apple be dropped in order for the arrow to pierce the apple as the arrow hits the tree?

Explanation / Answer

horizontal distance = v * cos 45

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