Answer to Question #193759 in Physics for ron

Question #193759

One rock is thrown upward with a speed of 8.0 m/s from the ground while another rock is dropped simultaneously from a height of 8.0 m from the ground. How long will it take for the rocks to collide?

Expert's answer

"h-0.5gt^2=vt-0.5gt^2\\\\h=vt\\\\8=8t\\\\t=1\\ s"

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