Q. A body at rest breaks into two pieces with unequal mass
A) Both of them have equal speeds
B) Both of them move along a same line with unequal speeds
C) Sum of their momentum is non zero
D) They move along different lines with different speeds
Explanation
The correct answer is Option B: Both of them move along a same line with unequal speeds.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.