He frequently traveled by plane, but it never got off the ground. After getting off the plane, he remained in his seat. Why?

"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

Most short-period comets do not have randomly oriented orbits because