The tape in a videotape cassette has a total length 240 m and can play for 2.1 h. as the tape starts to play, the full reel has an outer radius of 47 mm and an inner radius of 11 mm. at some point during the play, both reels will have the same angular speed. what is this common angular speed?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?

Use the illustration to describe how the electromagnetic spectrum changes as its frequency moves from radio waves to higher energy gamma waves in terms of wavelength and amplitude.