8. The Wicked Witch of the West is riding her broom. We begin recording her motion as she is traveling at a velocity of 6.0ms 1. She then increases to 30.0ms ? and ends up with a total displacement of 55 meters. What was her acceleration?​

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 3.00 ms . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?