The diagram shows a U-shaped glass tube, closed at one end by a tap. The glass tube contains a liquid as shown. Can someone help!!
I’m out of time!!

Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.

Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic