For each case in the figure below, the system consists of the masses shown with

Question

For each case in the figure below, the system consists of the masses shown with the indicated velocities.

Part A

Find the net momentum of system A. Assume that v1 = 3.4m/s and v2 = 8.0m/s .

Express your answer using two significant figures.

Part B

Find the net momentum of system B. Assume that v1 = 3.0m/s and v2 = 3.4m/s .

Part C

Find the net momentum of system C. Assume that v1 = 3.4m/s and v2 = 8.0m/s .

Part D

Find the net momentum of system D. Assume that v1 = 3.0m/s , v2 = 6.6m/s , and v3 = 8.4m/s .

For each case in the figure below, the system consists of the masses shown with the indicated velocities. Part A Find the net momentum of system A. Assume that v1 = 3.4m/s and v2 = 8.0m/s . Express your answer using two significant figures. Part B Find the net momentum of system B. Assume that v1 = 3.0m/s and v2 = 3.4m/s . Part C Find the net momentum of system C. Assume that v1 = 3.4m/s and v2 = 8.0m/s . Part D Find the net momentum of system D. Assume that v1 = 3.0m/s , v2 = 6.6m/s , and v3 = 8.4m/s .

Explanation / Answer

Pnet = m1*v1 + m2*v2 + m3*v3

A) Pnet = (5*3.4)+(3*8) = 41 kg m/s

B) Pnet = (6*3)-(3*3.4) = 7.8 kg m/s

C) Pnet = (9*3.4)-(6*8) = -17.4 kg m/s

D) Pnet = (7*3)+(4*6.6)-(8*8.4) = -19.8 kg m/s

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