One stone has a mass of 16 kg and a kinetic energy of 26 J. A second stone has the same mass and nine times the kinetic energy. Compare their speeds.

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c