A body of mass 3 kg moving with a velocity of 4 m/s towards left collides head on with a body of mass 4 kg moving in opposite direction with a velocity of 3 m/s. After collision the two bodies stick together and move with a common velocity which is
a)
Zero
b)
12 m/s towards left
c)
12 m/s towards right
d)
m/s towards left
A body of mass 3 kg moving with a velocity of 4 m/s towards left collides head on with a body of mass 4 kg moving in opposite direction with a velocity of 3 m/s. After collision the two bodies stick together and move with a common velocity which is
a)
Zero
b)
12 m/s towards left
c)
12 m/s towards right
d)
m/s towards left
Question ID - 100402 | SaraNextGen Top Answer
A body of mass 3 kg moving with a velocity of 4 m/s towards left collides head on with a body of mass 4 kg moving in opposite direction with a velocity of 3 m/s. After collision the two bodies stick together and move with a common velocity which is
a)
Zero
b)
12 m/s towards left
c)
12 m/s towards right
d)
m/s towards left
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A body of mass 3 kg moving with a velocity of 4 m/s towards left collides head on with a body of mass 4 kg moving in opposite direction with a velocity of 3 m/s. After collision the two bodies stick together and move with a common velocity which is |
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a) |
Zero |
b) |
12 m/s towards left |
|
c) |
12 m/s towards right |
d) |
|
1 Answer
127 votes
Answer Key / Explanation : (a) -
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(a) Initial momentum: Final momentum will also be zero. But both stick together, hence both come at rest |
127 votes
Answer Link
127