Do you agree with Dr. Walker and his colleagues that the changes to Jordan Jones's meal could not explain his improved performance? Why or why not?

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

Why doesn't heat added to water make the tempature rise above 100c

In 2002, the rare earth elements mine in mountain pass, california was closed because