Answer:
Damaging effects of sewage dumps on human health include Cholera, Typoid and Dysentery.
Explanation:
Life-threatening human pathogens carried by sewage include cholera, typhoid and dysentery. Other diseases resulting from sewage contamination of water include schistosomiasis, hepatitis A, intestinal nematode infections, and numerous others.
Answer:
intensity is 11.0145 W/m^2
Energy is 5.07 J
Explanation:
Given data
amplitude E =91.1 V/m
area = 0.0269 m2
time t = 17.1 s
to find out
intensity and energy
solution
we know intensity formula that is given below
intensity = E(rms)² / (cμ0)
here c is speed of light and μo is permeability of free space
we know these constant value c = 2.99 x 10^8
μo = 1.26 x 10^-6
put all these value and we get intensity
intensity = (91.1/√2)² / (2.99 x 10^8 × 1.26 x 10^-6)
intensity = 4149.605 / 3.7674 x 10^2
intensity is 11.0145 W/m^2
and Energy is calculated by this formula
Energy = intensity × time × area
put all value now here
Energy = 11.0145 × 17.1 × 0.0269
Energy is 5.07 J
Answer:
The ratio of the pressure at the top to the pressure at the bottom is
Explanation:
Given that,
Number of molecules
Mass
Temperature = 300 K
Height
We need to calculate the ratio of the pressure at the top to the pressure at the bottom
Using barometric formula
Where, m = mass
g = acceleration due to gravity
h = height
k = Boltzmann constant
T = temperature
Put the value in to the formula
Hence, The ratio of the pressure at the top to the pressure at the bottom is
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