Homework Statement
A spacecraft of mass 2500kg is in a circular orbit a distance 2560km above the surface of Mars.
How much work must the spacecraft engines perform to move the spacecraft to a circular orbit that is 4660km above the surface?
Take the gravitational constant to be...
Hahaha, I went through again and it turns out that that really was the right answer after all. I think there are just some wires crossed in my brain.
Thanks to everyone who looked this over, though.
Homework Statement
A bucket of water of mass 14.2 kg is suspended by a rope wrapped around a windlass, that is a solid cylinder with diameter 0.350 m with mass 12.1 kg. The cylinder pivots on a frictionless axle through its center. The bucket is released from rest at the top of a well and...