Question

Your starship, the Aimless Wanderer, lands on the mysterious planet Mongo. As chief scientist-engineer, you make the following measurements: a 2.50-kg stone thrown upward from the ground at 15.0 m/s returns to the ground in 7.00 s ; the circumference of Mongo at the equator is 4.00×105 km ; and there is no appreciable atmosphere on Mongo. a.The starship commander, Captain Confusion, asks for the following information: what is the mass of Mongo? b. If the Aimless Wanderer goes into a circular orbit 1.00×104 km above the surface of Mongo, how many hours will it take the ship to complete one orbit?

Answer 1