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Problem: A man stands on the roof of a building of height 16.8m and throws a rock with a velocity of magnitude 30.6m/s at an angle of 29.3? above the horizontal. You can ignore air resistance.

Part A: Calculate the magnitude of the velocity of the rock just before it strikes the ground.

Part B: Calculate the horizontal distance from the base of the building to the point where the rock strikes the ground.

I need help to determine the magnitude of the velocity of the rock just before it strikes the ground.

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Category:- Physics
Reference No.:- M91248534

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