Asked by alexis
A 4.00 kg ball traveling North with a momentum of 11.2 kg.m/s collides with a 6.0 kg ball traveling
West with a momentum of 18 kg.m/s. The two balls stick together and head off as one. What is the
momentum of the combined masses? What is the velocity of the combined masses?
West with a momentum of 18 kg.m/s. The two balls stick together and head off as one. What is the
momentum of the combined masses? What is the velocity of the combined masses?
Answers
Answered by
Henry
M1*V1 + M2*V2 = M1*V + M2*V
11.2i - 18 = 4*V + 5*V = 9V
V = -2 + 1.24i = 2.36m/s[31.9o] N. of
W. = 2.36m/s[148.1o] CCW
Momentum = M1*V + M2*V =
4*2.36[31.9] + 6*2.36[31.9] =
9.44[31.9] + 14.2[31.9o]=23.6m/s[31.9o] N. of W.
11.2i - 18 = 4*V + 5*V = 9V
V = -2 + 1.24i = 2.36m/s[31.9o] N. of
W. = 2.36m/s[148.1o] CCW
Momentum = M1*V + M2*V =
4*2.36[31.9] + 6*2.36[31.9] =
9.44[31.9] + 14.2[31.9o]=23.6m/s[31.9o] N. of W.
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