A hiker hikes to a canyon and yells "hello" into the canyon wall. She carefully times how long it takes for the sound to return to her ear. She hears her echo in .6s. With a known velocity of sound on this day of 340m/s, how far did the sound wave actually travel?

Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.

What are the theoretical properties of a gas at a temperature of 0 kelvin?

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?