Question

If a body is projected upward from certain height h
with initial velocity u, then its speed at the ground
level is
​

Answer 1

Answer:

Explanation:

A stone is thrown vertically upward with initial velocity 15m/s and height 20m what is the velocity before it strikes the ground

Answer 2

Answer:

Thus maximum height attained becomes four times (4H) when the initial velocity is increased by 2 times.

Explanation:

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