Saved Bookmarks
| 1. |
A man stands in front of a hill and fires a gun. He hears an echo after 1.5 s. The distance of the hill from the man is (velocity of sound in air is 330ms-1) |
|
Answer» Answer: 247.5 m Explanation: 2times DISTANCE = 1.5*330 distance= 247.5 m |
|