Question

Explain why
(a) The blood pressure in humans is greater at the feet than at the brain.
(b) Atmospheric pressure at a height of about 6 km decreases to nearly half of its value at the sea level, though the height of the atmosphere is more than 100 km.
(c) Hydrostatic pressure is a scalar quantity even though pressure is force divided by area.​

Answer 1

Answer:

Heya mate ☺ ☺!!

Here is ur answer....

(a) The height of the blood column is more for the feet as compared to that for the brain.Consequently, the blood pressure in humans is greater at the feet than at the brain.(b) The variation of air-density with height is not linear. So, pressure also does not reduce linearly with height. The air pressure at a height h is given by P = P0e–αh where P0 represents the pressure of air at sea-level and α is a constant.(c) Due to applied force on liquid, the pressure is transmitted equally in all directions inside the liquid. That is why there is no fixed direction for the pressure due to liquid. Hence hydrostatic pressure is a scalar quantity.

Hope it helps...

Answer 2

Explanation:

height night of the blood column is more than the height of the brainlow blood pressure is more than the feet of the brainlow blood pressure is more than the feet of the brainmostly question at a height of about 6 kilometre decreases due to its velocity in the airhydrostatic pressure is a scalar quantity because in this pressure the positive when it is used