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 14.0 m/s returns to the ground in 5.70 s; the circumference of Mongo at the equator is 2.00×105km; 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 30,000 km above the surface of Mongo, how many hours will it take the ship to complete one orbit?

Answer 1

The answer for above problem is explained below.