Dr. Steve Rapp

Solution

•Since the masses are equal we
can eliminate them from our problem.

•cos 40 = V’r/Vb
sin 40 = V’b/Vb

•V’r = cos 40 (.80 m/s) V’b = sin 40 (.80)

•V’r = .77 (.80 m/s) V’b =.64(.80 m/s)

•V’r = .62 m/s V’b = .51 m/s

mbV’b

mbVb

mrV’r

40