Gravity pulls objects downward. How much work is performed when gravity pulls the man down 0.5 m after each step?

The rules of engagement (roe) working group is often used to (select all that apply.)

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist