Increased air pressure on the surface of hot water tends to

1 answer:

5 0

Answer

The answer is B

Explanation

It is B because If the more pressure of the earths surface it is promoting more pressure and it is boiling so it’s B

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an ant weighing 200 N and wearing platform heels with a total area of 7 square centimeters would exert how much pressure?

iVinArrow [24]

The pressure exerted is $2.86\cdot 10^5 Pa$

Explanation:

The pressure exerted by a force on a surface is given by

$p=\frac{F}{A}$

where

p is the pressure

F is the magnitude of the force

A is the area of the surface

In this problem, we have:

F = 200 N is the force exerted (the weight of the ant)

$A=7 cm^2 = 7\cdot 10^{-4} m^2$ is the area

Therefore, the pressure exerted is:

$p=\frac{200}{7\cdot 10^{-4}}=2.86\cdot 10^5 Pa$

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3 years ago

What is the electromagnetic spectrum?

Pavel [41]

What is the electromagnetic spectrum?
The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies. The electromagnetic spectrum covers electromagnetic waves with frequencies ranging from below one hertz to above 10²⁵ hertz, corresponding to wavelengths from thousands of kilometers down to a fraction of the size of an atomic nucleus.

How the light affect the color we see?
All of the colors we see are a byproduct of spectrum light, as it is reflected off or absorbed into an object. An object that reflects back all of the rays of light will appear white; an object that absorbs all of the rays, black. All of the millions of other colors are produced by a combination of light rays being absorbed and reflected.