©
Dr. Steve Rapp,
2004
Solution
u
Since the masses are equal we can eliminate
them from our problem.
u
cos 40 =
V’r/Vb
sin 40 = V’b/Vb
u
V’r = cos 40 (.80 m/s)
V’b = sin 40 (.80)
u
V’r = .77 (.80 m/s)
V’b =.64(.80 m/s)
u
V’r = .62 m/s
V’b = .51 m/s
mbV’b
mbVb
mrV’r
40