Asked by asdf
A 4,000 kg truck and a 2,000 kg car are both traveling at 10 m/s when they hit a wall. Which vehicle has more momentum just before striking the wall? What is the ratio of their momenta?
Answers
Answered by
Henry
M1 = 4000kg, V1 = 10 m/s.
M2 = 2000kg, V2 = 10 m/s.
M1*V1 = 4000 * 10 = 40,000 kg-m/s.
M2*V2 = 2,000 * 10 = 20,000 kg-m/s.
Ratio = 40,000/20,000 = 2/1.
M2 = 2000kg, V2 = 10 m/s.
M1*V1 = 4000 * 10 = 40,000 kg-m/s.
M2*V2 = 2,000 * 10 = 20,000 kg-m/s.
Ratio = 40,000/20,000 = 2/1.
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