Compute the wavelength of the 2nd line in the balmer series, in nanometers, a. 103 nm b. 122 nm c. 434 nm d. 486 nm e 656 nm

What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl, max are applied?

Which levels of government establish and implement educational requirements for minors

A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.