Which of Newton's laws states that an object at rest tends to stay at rest, and an object in motion tends to stay in motion unless acted on by an unbalanced
force?
A. Newton's first law
B. Newton's law of universal gravitation
C. Newton's second law
D. Newton's third law

What are the factors that affect the resistance of a wire?

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final