Question

Two bodies A and B have masses in ratio 5 : 1 and their kinetic energies are in the ratio 125 : 9. Find the ratio of there velocities.​

Answer 1

Answer:

E1/E2 = 1/2 m1v12 /1/2m2v22 = (m1/m2) × (v1/v2)2

125/9 = (5/1) x (v1/v2)2

(v1/v2)2 = (125/9) x (1/5) = 25/9

(v1/v2) = 5/3

Explanation:

Hope it helps!!!!!

Answer 2

Answer:

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Explanation:

Ratio of masses

m B m A = 15 and Ratio of Kinetic Energies

K B K A = 9125

Kinetic energy is K=

21 mv 2

Therefore, v B v A

= K B m AK A m B

= 9125 × 51

= 925

= 35

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