Asked by Mrs G

Using conservation of energy, find the speed v_b of the block at the bottom of the ramp.
Express your answer in terms of some or all the variables m, v, and h and any appropriate constants.
I would think it would be square root of v^2+2gh but its telling me no

Answers

Answered by Elena
PE=KE (if there is no friction)
mgh=mv^2/2
v=sqroot(2gh)
Answered by ;)
vb= square root v^2 +2gh
Answered by Nicole
The correct answer is:

vb= square root (v^2+2gh)

Do not forget the parenthesis under the square root sign!
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