A spring suspended vertically is 17.6 cm long. When you suspend a 25 g weight from the spring, at rest, the spring is 21.0 cm long. Next you pull down on the weight so the spring is 23.5 cm long and you release the weight from rest. What is the period of oscillation?

Element with 3protons and 5neutrons

Hunter is in lab. he clears a spot on his lab bench to start working. he also puts his lab coat and goggles on. he then identifies where all of the safety equipment is. he notices his station is next to the fume hood, which ventilates the chemicals stored there. the noise of the fume hood was bothersome, so hunter turned it off. which could be an error in his set-up? he should not turn off the fume hood.  he should wait to put on his coat until after the directions are given.  he should wait to put on his goggles until after the directions are given.  he should not sit next to the fume hood. 

No receiver is named? transitive passive or intrasitive complete