A thin uniform rod has mass M = 0.5 kg and length L= 0.49 m. It has a pivot at one end and is at rest on a compressed spring as shown in (A). The rod is released from an angle θ1= 55.0o, and moves through its horizontal position at (B) and up to (C) where it stops with θ2 = 107.0o, and then falls back down. Friction at the pivot is negligible. Calculate the speed of the CM at (B).
The spring in (A) has a length of 0.11 m and at (B) a length of 0.14 m. Calculate the spring constant k.
The pic is in:
file:///C:/Documents%20and%20Settings/Daniel/Desktop/phi.gif
3 answers
Unfortunately that file is in your computer, not on the internet.
can you help me without the pic? please?..
I have no idea what it looks like, sorry.