The barometric height in atown is 70 cmHg given that standard atmospheric pressure is 76 cmHgand density of mercury is 13600kgm determine altitude of town

if you already have the answer to (a), then just work out how many periods there are in 1 minute, and that's the answer to (c).

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explanation:

physics means: "the branch of science concerned with the nature and properties of matter and energy. the subject matter of physics, distinguished from that of chemistry and biology, includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms."