what is the wavelength of the lin ein the spectrum of hydrogen that represents the movement of electron from Bohr orbit with n

The slope of a velocity time graph over any interval of time gives the during that interval

Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)

What does the law of conservation of mass state?