Question: 1. A penny is placed on a record player moving at a constant speed with a period of 1.50 s. If the coefficient of static friction is 0.270, how far from the center of the record can the penny get before it begins to slide?
2. A science spaceship is trying to orbit a small astroid with a mass of 2.56 x 109 kg. If the ship wants to orbit the astroid once every 6.00 hours, how far from the astroid should it be?