Agreen laser pointer has a wavelength of 532 nm. what is the energy of one mol of photons generated from this device?

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

Carbon 14 is a naturally occurring stable