A giant boulder rolls of the side of a mountain. While falling 112 m to the ground, the work done by gravity is 5600J of work on the boulder. If the boulder's trip was 4.78 seconds, calculate the Power
produced by gravity

In what direction does the medium move relative to the direction of the wave? explain.

Steam enters an adiabatic diffuser at 150 kpa and 1208c with a velocity of 550 m/s. determine the minimum velocity that the steam can have at the outlet when the outlet pressure is 300 kpa.

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?