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 12.0 m/s returns to the ground in 4.50 s; the circumference of mongo at the equator is 2.00×105km; and there is no appreciable atmosphere on mongo. part a
the starship commander, captain confusion, asks for the following information: what is the mass ofmongo?
m =
{\rm kg}
part b
if the aimless wanderer goes into acircular orbit 2.00×104 {\rm km} above the surface of mongo, how many hours will ittake the ship to complete one orbit?