Saved Bookmarks
| 1. |
A car is moving with a velocity of 54 km/h.the kinetic energy of a boy of mass 40 kg sitting in the car is In 9th class techno |
| Answer» CHANGE km to m =54 *5/18= 15m/skinetic energy =1/2*(m)v^2= 1/2 *40*(15)^2=4500jI'm ALSO in 9th GRADE tripti Kargeti | |