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 remains conserved
C) Both momentum and K.E. are conserved
D) Neither K.E. nor momentum is conserved
Show Answer
Answer:
Correct Answer: A
Solution:
Momentum of earth-ball system remains conserved.
