Saved Bookmarks
| 1. |
If the time period of revolution of a planet is increased to 3from what percentage its radius of the or6.resent value. Thento 3/3 times its pbit of revolution will increases? |
|
Answer» as we know the third kepler’s law of planetry motion that is T²=k R³ so according to that T²= K *R² => T²/R³ = k .........(1)now new T = 3√3T {3√3T}²/R'³= k.........(2) so, equating both R'³ = R³*(3√3T)²/T² => R'³ = 27R³=> R' = 3R so, R should be increased by (3R-R)*100/R = 200% |
|