Work Energy And Power Question 167
Question: A body of mass 2kg is moving with velocity 10 m/s towards east. Another body of same mass and same velocity moving towards north collides with former and coalsces and moves towards north-east. Its velocity is [CPMT 1997; JIPMER 2000]
Options:
A) 10 m/s
B) 5 m/s
C) 2.5 m/s
D)
Show Answer
Answer:
Correct Answer: D
Solution:
Initial momentum =
Final momentum =
By the law of conservation of momentum
therefore
In the problem
