Provides most of the energy used in the world today. question 4 options: wind fossil fuel moving water sunlight

The 20@kg wheel has a radius of gyration about its center g of kg = 300 mm. when it is subjected to a couple moment of m = 50 n # m, it rolls without slipping. determine the angular velocity of the wheel after its mass center g has traveled through a distance of sg = 20 m, starting from rest.

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

What is the scientific definition of energy that relates to work