As the ball rolls down the ramp, there are changes in kinetic and potential energy. how much kinetic energy does the ball have when it reaches point b?
a) 0j
b) 25j
c) 50j
d) 100j

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

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?