IGCSE PHYSICS - PRESSURE (7)

way that we often take g to be 10 m/s2 on the Earth when it is more accurately 9.8 m/s2, we often choose to take atmospheric pressure to be 100 kPa. Pressure is also measured in bar and millibar. Normal atmospheric pressure is approximately I bar. The pressure on a scuba diver's cylinder of air can easily be 200 bar. ................
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