3 years ago

The blood pressure in the human body is greater at the feet than at the brain

2 answers:

8 0

The friction between the feet and the floor provides an excess of pressure on the foot, allowing the blood pressure to increase as a result of this.

GarryVolchara [31]3 years ago

5 0

Blood pressure is greater in feet because of gravity

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Two buses are driving along parallel freeways that are 5mi apart, one heading east and the other heading west. Assuming that eac

Oksanka [162]

Answer:

101.54m/h

Explanation:

Given that the buses are 5mi apart, and that they are both driving at the same speed of 55m/h, rate of change of distance can be determined using differentiation as;

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$\frac{dh}{dt}=0, \ \ \ \ h=constant\\\\h^2+l^2=b^2\\\\2h\frac{dh}{dt}+2l\frac{dl}{dt}=2b\frac{db}{dt}\\\\2\times5\times0+2\times12\times(-110)=2\times13\frac{db}{dt}\\\\\frac{db}{dt}=-101.54m/h$