There are only two things you can do to increase the work output of a machine:
1). Increase the work INput to the machine.
2). Make the machine more efficient ... do things like lubricating it better to eliminate some internal friction.
Equal to 50
law of reflection: angle of incidence equals angle of reflection
Answer:
W2 = W1
Explanation:
work is independent of the path taken between the points.
Answer: D. They are the coldest stars.
Explanation: