Gravitational force and laws

Question

The eccentricity of earth's orbit is 0.0167. The ratio of its maximum speed in its orbit to its minimum speed is

Moderate

Solution

$\frac{{\mathrm{v}}_{\mathrm{max}}}{{\mathrm{v}}_{\mathrm{min}}}=\frac{1+\mathrm{e}}{1-\mathrm{e}}=\frac{1+0.0167}{1-0.0167}=1.033$

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