Saved Bookmarks
| 1. |
The momentum of the body is doubled, what % does its K.E. change ? |
|
Answer» <P> Solution :`K.E.=p^(2)/(2m)"when p is doubled K.E.as K.E.becomes 4 TIMES"``THEREFORE%"INCREASE in K.E."=(triangleK.E.)/(K.E)xx100(4K.E-K.E.)/(K.E)XX100=3XX100=300%` |
|