Question

A stone thrown upward with a speed u from the top of the tower reaches the ground with a velocity 3u the height of the tower is​

Answer 1

Answer:

Explanation:

v² - u² = 2aS

H = (v² - u²) / (2g)

H = (9u² - u²) / (2g)

H = 4u²/g

Height of the tower is 4u²/g