A machine applies a force of 100 newtons over a distance of 10 meters to raise a 500 newton drum 1.5 meters. What is the work input?

An object is 10 cm from the mirror, its height is 1 cm and the focal length is 5 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1 -1 +10 -10

Contains chemical energy. a. heat b. light c. natural gas

Why does the liquid rise up through the dip tube when the valve is open