Question

A stone thrown upward to just reach the top of a palm tree that is 8.2m tall. Calculate the initial speed that is require

Answer 1

(1/2) v^2 = 9.81 (8.2)

v^2 = 16.4*9.81

Answer 2

160m/sec

Answer 3

more like 12.7
did you take the square root?
I think not :)

Answer 4

I want to learn