Recent content by futurphy

Thank you Simon Bridge you've been very helpful.

The time in classical mechanics is absolute

I am not expected to use neither Lorentz transformations nor classical relativity, this is a classical mechanics problem. I think S and S' are inertial and S'' is not, because i think the first law of Newton is only true in S and S'.

Hi guys, i need help for homework, it seems easy, but i can't do it:cry:, no calculation to do only writing 2D coordinates in different frames. Homework Statement The hallmark of an inertial frame is that any object which is subject to zero net force will travel in a straight line in a...