Answers to physics homework questions 3 and 4b

[Leo34005]

I need help with this physics question help please and fast?!??!?

Homework Statement

What are the answers for 3 and 4b?

 

[qsa]

d = -(1/2)g*t^2

plug d solve for solve for t
v = - g*(squareroot(2(d/g)))

plug d solve for v