Which of the following graphs represents the motion of a planet moving about the sun
The time period of a satellite revolving around earth in a given orbit is $7 \,hours$. If the radius of orbit is increased to three times its previous value, then approximate new time period of the satellite will be ...... $hours$
During motion of a planet from perihelion to aphelion the work done by gravitational force of sun on it is ...........
A satellite $S$ moves around a planet $P$ in an elliptical orbit as shown in figure. The ratio the speed of the satellite at point $a$ to that at point $b$ is
Write the Kepler law of period (Kepler’s third law) for planetary motion.