Tue 30 Sep, 2014 07:56 pm - Okay. Using the parallel axis theorem, the MOI of the arm is :
I = Icm + md^2
I = (ml^2)/3 + md^2
I = [2.5(0.75)^2]/3 + 2.5(1)^2
=0.468 + 2.5
= 2.968 (view)
Tue 30 Sep, 2014 07:36 pm - Thanks for the help, I will try to work it out and get back to you in the next 10 minutes. As for part e, energy is increased (tutor said so)- that part is right. The question is where the energy... (view)
Tue 30 Sep, 2014 06:23 pm - Problem:
Consider an ice skater spinning in a circle. We will approximate the body as a cylinder with a radius of 0.25 m. The total mass of the skater is 50kg. When the skater has her arms... (view)
Sat 13 Sep, 2014 08:29 pm - Hey guys, here is an interesting physics problem I found in a textbook. How would you guys solve it?
Here is the picture that goes with the problem:
http://pbrd.co/1m4FPzc
The problem:
A... (view)
