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    				| 1. | Find the acceleration of the car, if it changes its velocity from `20 m s^(-1)` to `30 ms^(-1)` in 5 seconds. | 
| Answer» Correct Answer - `2 m s^(-2)` `a=(v-u)/(t)` `a=(30-20)/(5)=2` `a=2 m s^(-2)` | |