Write an expression for the work done by the spacecraft's rockets as it inserts itself into the circular orbit in terms of v, m, M, r, and G.

25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

What type of nuclear decay causes the atomic number of an element to increase by 1?

An object's buoyant force and weight mean the same thing.a. trueb. false