- #1

SamTsui86

- 31

- 0

What is the height h of the wedge?

Isn't this problem just conservation of energy

I did

KE+PE initial = KE + PE final

0 + mgh = 1/2 mv^2 + 0 and solve for h v is 4.0 m/s

9.8 h = 8

h= .82

but it saids i am wrong, please help