Exactly! I tried it in several ways and got the x of the Elastic Potential Energy formula (U = kx ^ 2/2). Today the professor said he was wrong and added a piece of information to the question. He forgot to say that x = 20cm
Hi!
I didn't think about the impact with the start of the ramp. I considered that until we go up the ramp we have only conservative forces. When going up, as we have the kinetic frictional force, which is a non-conservative force, I think it reduces the speed of the block and transforms the...