Question

A stone is thrown vertically upwards with a initial speed of 10m/s from the edge of the roof of the house of height h =20m
a)how long does it take to hit the ground​

Answer 1

Answer:

It will take 2 seconds to hit the ground

Explanation:

As the speed is 10m/s

house height is 20m

so it will 2 seconds to hit the ground

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