A 3) How far will 20 N of force stretch a spring with a spring constant of 140 N/m?

The ability to make things happen is also called a. heat b. force c. matter d. energy

Which are causes of mechanical weathering? (check all that apply) a. acid rain b. plant growth c. animal actions d. carbon dioxide e. pressure release i chose b & e and got the question wrong.

1700 j of energy is lost from 0.14 kg object , the temperature decreases from 50°c to 45°c what is the specific heat of this object, amd what is the material ?