What kind of work is done when water is pulled from a well?

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.

Protons and neutrons are found within the nucleus of an atom

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.