#oscillations #workenergy #collisions

The tension on the string of a simple pendulum varies with time as the pendulum oscillates about its equilibrium point. #physicspractice

#workenergy #physicspractice #ashlarstem How much work is needed to empty a spherical tank which is filled with water? The concept of center

#calculus #workenergy In this problem, students are asked to determine the motion of a system with varying acceleration.