Work Energy And Power Question 287
Question: An object of mass 2.0 kg makes an elastic collision with another object of mass M at rest and continues to move in the original direction but with one-fourth of its original speed. What is the value of M?
Options:
A) 0.75kg
B) 1.0kg
C) 1.2kg
D) None of these
Show Answer
Answer:
Correct Answer: D
Solution:
[d] For the object of mass 2.0 kg.
Kinetic energy transferred
Here,
