A body of mass 
moving with velocity 
collides head on another body of mass 2
which is initially at rest. The ratio of KE of colliding body before and after collision body before and after collision will be
a)
1:1
b)
2:1
c)
4:1
d)
9:1
A body of mass moving with velocity collides head on another body of mass 2 which is initially at rest. The ratio of KE of colliding body before and after collision body before and after collision will be
a)
1:1
b)
2:1
c)
4:1
d)
9:1
Question ID - 51697 | SaraNextGen Top Answer
A body of mass moving with velocity collides head on another body of mass 2 which is initially at rest. The ratio of KE of colliding body before and after collision body before and after collision will be
a)
1:1
b)
2:1
c)
4:1
d)
9:1
|
A body of mass |
|||||||
|
a) |
1:1 |
b) |
2:1 |
c) |
4:1 |
d) |
9:1 |
1 Answer
127 votes
Answer Key / Explanation : (d) -
|
(d) KE of colliding body before collision= After collision its velocity becomes V’= KE after collision=
Ratio of kinetic energy=
|
127 votes
Answer Link
127