Homework Help: physics

Posted by zacurea on Tuesday, October 11, 2011 at 12:27pm.

The cart starts from rest at the top of a hill with height, H2. It rolls down the hill and at the bottom of the hill it has a speed of 10 m/s. Next it is at the top of same hill but pushed so that it starts at the top of the hill with a speed of 4.59 m/s. How fast is it going at the bottom of the hill?

physics - Henry, Wednesday, October 12, 2011 at 4:58pm
Vf^2 = Vo^2 + 2g*h2.
Vf^2 =(4.59)^2 + 19.6*h2,
Vf^2 = 21.07 + 19.6h2,
Vf = sqrt(21.07 + 19.6h2).

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