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    				| 1. | What are the physical quantities that can be measured in m `s^(-1)`, km and km `h^(-2)`? | 
| Answer» Correct Answer - speed and velocity, `ms^(-1)`; Displacement - km; Acceleration - `kmh^(-2)` Speed and velocity can be measured in m `s^(-1)` Displacement and distance can be measured in km. Acceleration is measured in km `h^(-2)` | |