MCQOPTIONS
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MCQOPTIONS
| 1. |
If a car covers 2/5th of the total distance with \[{{v}_{1}}\] speed and 3/5th distance with \[{{v}_{2}},\] then average speed is |
| A. | \[\frac{1}{2}\,\sqrt{{{v}_{1}}{{v}_{2}}}\] |
| B. | \[\frac{{{v}_{1}}+{{v}_{2}}}{2}\] |
| C. | \[\frac{2{{v}_{1}}{{v}_{2}}}{{{v}_{1}}+{{v}_{2}}}\] |
| D. | \[\frac{5{{v}_{1}}{{v}_{2}}}{3{{v}_{1}}+2{{v}_{2}}}\] |
| Answer» E. | |