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| 1. |
A body is set to be retarted if its valocity is |
| Answer» When body going\xa0vertically upwards, reaches at the highest point, then\xa0it is\xa0momentarily at rest and it then reverses\xa0its\xa0direction. At the highest point\xa0of\xa0motion,\xa0its velocity is\xa0zero but\xa0its\xa0acceleration is equal to acceleration\xa0due\xa0to gravity.\xa0There are three ways\xa0an object\xa0can\xa0accelerate: a change in velocity, a change in direction, or a change in both velocity and direction. | |