well this is what i am thinking so far..because it is looking for initial velocity, i started off with the equation: x=vox *t and you are looking for vox=x/t. time is square root of 2y/g. and to plug in the the time into the vox equation given above. i am not sure if this is even remotely correct..
I can't figure this one out! Please help!
You are standing on the edge of a ravine that is 15 m wide. You notice a cave on the opposite wall whose ceiling is 7.9 m below your feet. The cave is 5.8 m deep and has a vertical back wall. You decide to kick a rock across the ravine into the cave...