Answers Test 1, 2008

Problem 1:
vA = 1 ft/s up
vB/A = 2i - 1j ft/s

Problem 2:
v = 4 er + 4 etheta ft/s
a = 9.66 er ft/s2
N = 459. 6 lbf

Problem 3:
Just use LM in n and t directions.

Problem 4:
a) I had four equations and four unknowns for this part.
b) Just use energy for this part (don't forget the initial spring energy)