Trevor skis down a hill at a speed of 25 m/s. Friction slows him down to a
speed of 20 m/s. Which free-body diagram shows the forces acting on him?

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic

In a system, when potential energy decreases, then entropy also decreases. true false

Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.