Two objects, labeled a and b, are the same size. object a has a density of 1.21 g/cm3. object b has a density of 1.37 g/cm3. both are placed in a beaker of water. which will float higher in the water?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Arotating space station is said to create “artificial gravity”—a loosely-defined term used for an acceleration that would be crudely similar to gravity. the outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and bone strength more naturally than in non-rotating space environments. if the space station is 200 m in diameter, what angular velocity would produce an “artificial gravity” of 9.80 m/s^{2} 2 at the rim?

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form