gle Correct Choice Type:
LEVELS
Two bodies A and B have their masses in the ratio 3:1 and kinetic energy
in the ratio 1:3. Then ratio of their velocities is
21:3
3) 3:1
4) 1:3
Answers
Answered by
0
ANSWER :
1:3 is the correct answer
EXPLANATION :
Mass of A = m
Mass of B = M
m/M = 3/1
KE of A = 1/2 mv²
KE of B = 1/2 MV²
KE of A/KE of B = 1/3
[1/2 mv²] /[1/2MV²] = 1/3
m/M ×v²/V² = 1/3
3 v²/V² = 1/3
v²/V² = 1/9
v/V = 1/3
Ratio of their velocities is 1:3
FOLLOW ME......
Similar questions