A 10-lb bag is gently pushed off the top of a wall at point A and swings in a vertical pla...

A 10-lb bag is gently pushed off the top of a wall at point A and swings in a vertical plane at the end of a rope of length l= 5 ft. Calculate and plot the speed of the bag and magnitude of the tension in the rope as functions of the angle θ from 0 to 90°.