Answer:
P (momentum) = M * V
V = (2.95^2 + 3.97^2)^1/2 = 4.95 m/s
P = 2.99 kg * 4.95 m/s = 14.8 kg-m/sec total momentum
tan θ = Vy / Vx = -3.97 / 2.95 = -1.35
θ = 53.4 deg below positive x-axis
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