Recent content by aubailey

Yes, how do I find the frequency that will cause the rock to be lifted a little? i suppose it is similar to a rollercoaster problem but I am kind of stuck because I am only given the amplitude.

Homework Statement A vibration platform oscillates up and down with an amplitude of 10.4 cm at a controlled variable frequency. Suppose a small rock of unknown mass is placed on the platform. At what frequency will the rock just begin to leave the surface so that it starts to clatter? Homework...