Physics problem, please help!?

Posted on 2014-11-17 05:17:00 in Physics by KOOLS

Say someone is sliding down a friction-less water slide. They are 20 kg and start from rest at point A. They gain speed and pass through point B. They strike the water at point C. I am supposed to take the bottom of the slide to be the zero of gravitational potential energy. Now, for points A, B, and C, i need to find the Kinetic energy and the potential energy, and the total energy (which is obviously kinetic plus potential). I also need to k ow the final speed of the person at point C. Now, i don't feel like I have enough info here to tell. Don't I need the angle of the slide to determine the force of G? Or am I just over thinking it? Please help!

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