X-rays are scattered from electrons in a carbon target. the measured wavelength shift is 0.00087 nm. calculate the scattering angle. answers

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?

What component of earth’s atmosphere exists entirely as a result of photosynthesis?