GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
5. | A ball of mass 2kg and another of mass 4kg are dropped together from a 60feet tall building. After a fall of 30 feet each towards earth, their respective kinetic energies will be in the ration of? | |
A. | √2:1 | |
B. | 1:4 | |
C. | 1:2 | |
D. | 1:√2 | |
Answer: Option C | |
Explanation: | |
Both balls attain same velocity v after falling through 30 feet height. |
|
Tutorial Link: |