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/s^{2 }
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)
