InterviewSolution
Saved Bookmarks
| 1. |
A lead ball moving with a velocity v strikes a wall and stops. If 50% of its energy is onverted into heat. The increase in temperature is (Specific heat of lead is S)A. `2v^(2)//JS`B. `v^(2)//4JS`C. `v^(2)S//J`D. `v^(2)S//2J` |
|
Answer» Correct Answer - B `(1)/(2)((1)/(2)mv^(2))=JmSDeltatheta` |
|