Three objects are moving along a straight line as shown in the figure. Taking the positive direction to be to the right, what is the total momentum of this system?
Pos ---> 5.00 m/s, 8.00 kg
Neg <--- 4.00 m/s, 15.00 kg
Pos ---> 2.00 m/s, 3.00 kg
A) -14 kg m/s
B) +106 kg m/s
C) +14 kg m/s
D) -106 kg m/s
E) 0 kg m/s
6 answers
add the momentums up, to the left is negataive. I will be happy to critique your work. You can do it in your head. What is 46-60?
total momentum = m1(v1)+m2(v2)+m3(v3)
total momentum = [(5)8]+[(-4)15]+[(2)3]
total momentum = (40)+(-60)+(6)
total momentum = (-20)+(6) = -14
Answer: A
total momentum = [(5)8]+[(-4)15]+[(2)3]
total momentum = (40)+(-60)+(6)
total momentum = (-20)+(6) = -14
Answer: A
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As shown in the diagram, three objects are moving along a straight line. Taking the positive direction to be to the right, what is the total momentum of this system?
A
1 answer