Sound Waves? A. are a part of the electromagnetic spectrum
B. do not require a medium for transmission
C. are longitudinal waves
D. are transverse waves

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

Ineed the answer to question 1 , i’m desperate

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?