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Physics, 21.02.2020 05:24 lildee16lildee

A brick is released with no initial speed from the roof of a building and strikes the ground in 2.40s , encountering no appreciable air drag.

How tall, in meters, is the building?

How fast is the brick moving just before it reaches the ground?



A rock is thrown vertically upward with a speed of 19.0m/s from the roof of a building that is 50.0mabove the ground. Assume free fall.

Part A

In how many seconds after being thrown does the rock strike the ground?

Part B

What is the speed of the rock just before it strikes the ground?

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Answers: 2

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