Saved Bookmarks
| 1. |
A wave is represented by the equetion`y=7 sin(7pi t-0.04pix+(pi)/(3))` x is in metres and t is in seconds. The speed of the wave isA. 175 m/secB. 49 `pi` m/secC. 49/`pi` m/secD. 0.28 `pi` m/sec |
|
Answer» Correct Answer - A `v="Co-efficient of t"/"Co-efficient of x" = (7pi)/0.04`=175 m/s |
|