All moving objects have energy.

a. chemical
b. kinetic
c. electrical
d. potential

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

Why do different substances have diffrent properties

If a 250-g mass is hung on two identical springs, hung side by side , and both support the 250-g mass, how much will each spring stretch?