Asked by Prism
Two bodies with equal momentum have KE in the ratio 5:4. What will be the ratio of their masses be?
Answers
Answered by
Scott
M1V1 = M2V2 ... M1^2 V1^2 = M2^2 V2^2
5 M1 V1^2 = 4 M2 V2^2
5 M1^2 V1^2 / M1 = 4 M2^2 V2^2 / M2
5 / M1 = 4 / M2
M2 / M1 = 4 / 5
5 M1 V1^2 = 4 M2 V2^2
5 M1^2 V1^2 / M1 = 4 M2^2 V2^2 / M2
5 / M1 = 4 / M2
M2 / M1 = 4 / 5
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