Suppose the following experiment is performed. A 0.250-kg object (m 1 ) is slid on a frictionless

Question:

Suppose the following experiment is performed. A 0.250-kg object (m1) is slid on a frictionless surface into a dark room, where it strikes an initially stationary object with mass of 0.400 kg (m2) . The 0.250-kg object emerges from the room at an angle of 45.0° with its incoming direction. 

The speed of the 0.250-kg object is originally 2.00 m/s and is 1.50 m/s after the collision. Calculate the magnitude and direction of the velocity (v'2 and θ2) of the 0.400-kg object after the collision.

Strategy
Momentum is conserved because the surface is frictionless. The coordinate system shown in Figure 8.11 is one in
which mis originally at rest and the initial velocity is parallel to the -axis, so that conservation of momentum
along the x- and y-axes is applicable.JA Before P1 = Prot mi m = 0.400 kg X V1 net F = 0 V2 = 0 m2 After P' + P = Prot v = ? 0 = ? mi v 0 = 45

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