What was Neptune's distance from the Sun in 1989?

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

You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?

Which word expression describes how much to calculate pressure