An object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object? (Formula: )Which statement best compares potential and kinetic energy?

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together