Practicing Success
A planet moves around the sun. At a point P it is closest from the sun at a distance d1 and has a velocity V1. AT another point Q, when it is farthest from the sun at a distance d2 its speed will be |
$\frac{d_1^2 V_1}{d_2^2}$ $\frac{d_2 V_1}{d_1}$ $\frac{d_1 V_1}{d_2}$ $\frac{d_2^2 V_1}{d_1^2}$ |
$\frac{d_1 V_1}{d_2}$ |
Angular momentum is conserved ∴ mv1 d1 = mv1 d2 v2 = $\frac{v_1 d_1}{d_2}$ |