The moon travels an elliptical path with Earth as one focus. The maximum distance from the moon to the earth is 405, 500 km and the minimum distance is 363,300 km. What is the eccentricity of the orbit?

The average distance of the sun from the earth is 1.5xx10^8 km and the average distance of the moon from the earth is 384000 km. if the attraction of the sun on the earth is 180 times the attraction of the moon ,how many times is the mass of the sun greater than that of the moon ?

If the radius of the earth is R, what will be the distance of a geostationary satellite from the centre of the earth ?

The distance of earth from the moon is 3,85,000 km and the moon 's diameter subtends an angle of 31' at the eye of the obsever. Find the diameter of the moon.

The first artificial satellite to orbit the earth was Sputnik I. Its highest point above earth’s surface was 947 km, and its lowest point was 228 km. The center of the earth was at one focus of the elliptical orbit. The radius of the earth is 6378 km. Find the eccentricity of the orbit.

The planet Mercury revolves around the sun once in 88 days. If the mean distance between the earth and the sun is 1.5 xx10^8 km , what is the mean distance of Mercury from the sun ?

A man travels a certain distance with a uniform speed of 5 km/h ad returns the same distance with a uniform speed of 4km/h. What is the average speed of the man?

The moon revolves around the earth once in 271/3 days. If the average distance between the earth and moon is 384000km , determine the orbital speed and the orbital angular velocity of the moon.