Solve the below problem:
Q: An object whose mass is 1 lb has a velocity of 100 ft/s. determine
(a) The final velocity, in ft/s, if the kinetic energy of the object decreases by 100 ft.lbf.
(b) The change in elevation, in ft. associated with a 100 ft.lbf change in potential energy. Let g= 32.0ft/s2