Work Energy And Power Question 81
Question: Two perfectly elastic particles P and Q of equal mass travelling along the line joining them with velocities 15 m/sec and 10 m/sec. After collision, their velocities respectively (in m/sec) will be [CPMT 1988; MP PMT 1994]
Options:
A) 0, 25
B) 5, 20
C) 10, 15
D) 20, 5
Show Answer
Answer:
Correct Answer: C
Solution:
For a collision between two identical perfectly elastic particles of equal mass, velocities after collision get interchanged.
