Recent content by bikkja

Will complete it later today. Thank you so much for your help so far. Great site.

c) Total kinetic energy for the sphere: Ek = Ekt + Er = 125 J + 50 J = 175 J , is Ekt the correct notation for translational kinetic energy?

To the best of my current understanding. My textbook have no right/wrong section so i have no way to verify my answer. It does not either have any examples that i find particulary useful helping my solving this problem.

I think I misinterpreted an example in my textbook, i haven't use that value in solving the problem above.

This is the only information that is stated in the problem.

a) translational kinetic energy -> Ek = 1/2 x m x vT^2 = 1/2 x 2.5 kg x (10 m/s)^2 = 125 J b) rotational energy -> Er = 1/2 x I x ω^2 , I= 2/5m x r^2 Er = 1/2 x 2/5 x m x r^2 x ω^2 , ω=vT / r...

Rolling sphere, problems with the fundementals. Homework Statement A sphere with the mass of 2.5 kg rolls without slipping. The speed of the center of gravity is 10 m/s. a) Calculate the translational kinetic energy of the sphere b) Calculate the rotational energy of the sphere c)...