Atmospheric pressure at the foot of a hill 60m high, if at its top the barometer showed a pressure of 758mm.

Before solving the task, you should remember the rule by which the atmospheric pressure changes. We know that with a descent for every 10 meters, atmospheric pressure rises by 1 mm Hg. From this we can conclude that the pressure will change as follows:

60 ÷ 10 = 6 mm Hg

Now we can calculate what atmospheric pressure the barometer will show at the foot of the hill. To do this, let’s execute:

758 + 6 = 764 mm Hg

Thus, at the foot of the hill, the barometer will show 764 mm Hg.

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