6) A mass of 10 kg rests on top of a vertical spring whose base is attached to the floor. The spring compresses by 5 cm. How much energy is stored in the spring?

Stion 13 of 20 : select the best answer for the question. 13. if a certain mass of mercury has a volume of 0.002 m3 at a temperature of 20°c, what will be the volume at 50°c? a. 0.002021624 m3 b. 0.004021624 m3 c. 0.000010812 m3 d. 0.002010812 m3

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic