3. What methods are you using to test this hypothesis? Outline the steps of the procedure in full sentences.

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

What is special about a dc circuit ?

Based on the image below what would an observer on the nighttime side of earth observe?