A pendulum bob swings back and forth.  Ignore airresistance.  At point A, the potential energy is 15 J andthe pendulum bob is at a height of 1 meter.
a) What is the mass of the pendulum bob? Show work by typing theequation and plugging in numbers.
b) What is the total mechanical energy of the pendulum?Explain.
c) At which point on the diagram will the maximum kinetic energyoccur and what is the maximum kinetic energy of the pendulum?Explain.
d) What is the potential energy at point B and D? The height ofthe pendulum bob at B and D is 0.5 meters. Show your work by typingthe equation and plugging in numbers.
e) At point B and D, what is the relationship between kineticenergy and potential energy? Explain.
f) What is the speed of the pendulum at point C? Show work bytyping the equation and plugging in numbers.