Mechanics AP Physics C 1995
1. J F Vt F (t ) dt
(a) Area = 4 + 4 + 4 = 12 Ns
(b) J Vp (Use J=12 on the 5kg ball.)
12 5v f 5(0) v f 2.4 m s
(c) For the 0.5kg cube in collision with.
p0 = pf (Using conservation of momentum for the
AP PHYSICS C Mechanics 1987
1. The adult's horizontal force is represented by FP.
In equilibrium: FP T sin and W T cos
Using our old trick of dividing the equations.
P tan FP W tan
W T cos
or solving for T in the second equation we g
AP Physics C Chapter 28 & 29 Take Home
The figure (not drawn to scale) shows a square
loop, 20 cm on a side, in the xy plane with its
center at the origin. The loop carries a current of 5
A. l Above it at y = 0, z = 10 cm is an infinitely long