Which of these is a cultural service—a non material benefit people get from the environment

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.

Which one of the following research methods can show cause and effect

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system