Find at what speed does the stone impact the ground

Reference no: EM13697840

Solve the all parts of following problem:

Problem: While standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 6.41 m/s. The stone subsequently falls to the ground, which is 11.9 m below the point where the stone leaves your hand.

Part A: At what speed does the stone impact the ground?

Part B: How much time is the stone in the air? Ignore air resistance and take g = 9.81 m/s².

I know the correct answer for above problem but explain how to get this answer! Thank you.

Reference no: EM13697840

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