1.

The earth moves around the Sun in an elliptical orbit as shown Earth in the figure. The ratio\[OA/OB=x\]. The ratio of the speed of the earth at B to that at A is nearly

A. \[\sqrt{x}\]                   
B. \[x\]
C. \[x\sqrt{x}\]     
D. \[{{x}^{2}}\]
Answer» C. \[x\sqrt{x}\]     


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