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A man stands on the roof of a building of height 14.4 m and throws a...

A man stands on the roof of a building of height 14.4 m and throws a rock with a velocity of magnitude 26.2 m/s at an angle of 31.9 ∘ above the horizontal. You can ignore air resistance.

1- Calculate the maximum height above the roof reached by the rock.

2- Calculate the magnitude of the velocity of the rock just before it strikes the ground.

3- Calculate the horizontal distance from the base of the building to the point where the rock strikes the ground.

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