you stand at the top of a tall building with a stopwatch. you drop a rock off the side of the building, and it takes the rock 1.9 seconds to hit the ground. how fast was the rock going when it hit the ground

Question

Physics

Janessa Boyer

30 September, 01:54

you stand at the top of a tall building with a stopwatch. you drop a rock off the side of the building, and it takes the rock 1.9 seconds to hit the ground. how fast was the rock going when it hit the ground

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Answers (1)

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Dania · Answer 1

18.62m/s

Explanation:

The rate of acceleration that gravity has on an object is 9.8 m/s^2.

In this problem, the object is falling for 1.9 seconds so to solve, you need to plug it into the equation which gives you sp=9.8*1.9.

After multiplying the two numbers, you get an answer of 18.62m/s.