Question

A Stone is thrown vertically upwords.If it takes 30seconds to return to the ground how high does stone go?

Answer 1

Answer:

1125m

Explanation:

$30 = 2u \div g$

u=150

$h = u {}^{2} \div 2g$

Answer 2

Answer:

1125m

Explanation:

30=2u÷g

u=150

h=u2÷2g