Physics, 06.09.2021 21:20 snicklegirlp4isqr
Blood pressure is usually measured by wrapping a closed air-filled jacket equipped with a pressure gage around the upper arm of a person at the level of the heart. Using a mercury manometer and a stethoscope, the systolic pressure (the maximum pressure when the heart is pumping) and the diastolic pressure (the minimum pressure when the heart is resting) are measured in mmHg. The systolic and diastolic pressures of a healthy person are about 130 mmHg and 90 mmHg, respectively, and are indicated as 130/90. Express both of these gage pressures in kPa, psi, and meter water column. Take the densities of water and mercury to be 1000 kg/m3 and 13,600 kg/m3, respectively.
Answers: 3
Physics, 21.06.2019 14:50
Agalvanometer has an internal resistance of 100 Ο and deflects full-scale at 2.00 ma. what size resistor should be added to the galvanometer to convert it to a milliammeter capable of reading up to 4.00 ma, and how should this resistor be connected to the galvanometer?
Answers: 2
Physics, 21.06.2019 21:20
Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented.b)scientists had not completely finalized their results, which took 30 years.c)cigarettes were cheaply available and media channels were very inefficient.d)cigarette manufacturers were trying hard to bring an alternative into the market
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Physics, 23.06.2019 00:50
Which sentences describe point source pollution? in this type of pollution, the source of the pollution is single and easily identifiable. when runoff water from the melting of snow mixes with debris, it creates pollution. the runoff water, mixed with pollutants, reaches large areas with disastrous effects. alternatively, when a wastewater treatment plant releases harmful chemicals into a stream, the chemicals pollute the stream water because they are not treated for safety.
Answers: 2
Blood pressure is usually measured by wrapping a closed air-filled jacket equipped with a pressure g...
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