Work Energy And Power Question 165
Question: A ball is dropped from height 10 m. Ball is embedded in sand 1 m and stops, then [AFMC 1996]
Options:
A) Only momentum remains conserved
B) Only kinetic energy is conserved in an elastic collision
C) Both momentum and kinetic energy are conserved
D) Neither kinetic energy nor momentum is conserved
Show Answer
Answer:
Correct Answer: A
Solution:
Momentum of earth-ball system remains conserved.