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2 years ago

As air rises, why do clouds form?

Physics

1 answer:

MissTica2 years ago

3 0

Answer:

C. the air cools to its dew-point temperature and condenses into liquid water

Explanation:

Clouds are formed when the air rises heated by terrestrial irradiation. As it warms, the air rises and rises until it reaches its dew point, which will be when the water vapor condenses on (dew) or ice crystals. These droplets, which have a spherical shape and measure between 0.004 and 0.1 mm, are in continuous motion when they are suspended in the air and when they are subjected to updrafts, so they collide with each other and group together. Depending on the atmospheric conditions, an increase in their thickness may occur so as to cause them to precipitate.

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The Sun appears at an angle of 48.4° above the horizontal as viewed by a dolphin swimming underwater. What angle does the sunlig

Luden [163]

Answer:

4.57 degree

Explanation:

As the dolphin is under water, so the angle is angle of refraction which is equal to 48.4 degree.

refractive index of water, n = 1.333

Let the angle of incidence which is the angle between the incident ray and the normal is i.

By use of Snell's law

$n = \frac{Sin i}{Sin r}$

$1.333 = \frac{Sin i}{Sin 48.4}$

$Sin i = 1.333\times Sin 48.4 = 0.9968$

i = 85.43 degree

Angle made with the horizon = 90 - 85.43 = 4.57 degree

6 0

2 years ago

How can you safely experiment with plants during a scientific investigation?

liubo4ka [24]

I would think the answer is c.

3 0

2 years ago

Read 2 more answers

The description for a certain brand of house paint claims a coverage of 475 ft²/gal.

AlexFokin [52]

Answer:

(a) 11.66 square meters per liter

(b) 11657.8 per meters

Explanation:

(a) 475ft^2/gal = 475ft^2/gal × (1m/3.2808ft)^2 × 1gal/3.7854L = 11.66m^2/L

(b) 475ft^2/gal = 475ft^2/gal × (1m/3.2808ft)^2 × 264.17gal/1m^3 = 11657.8/m

8 0

3 years ago

particle of mass 59 g and charge 51 µC is released from rest when it is 32 cm from a second particle of charge −14 µC. Determine

AleksAgata [21]

Answer:

The initial acceleration of the 59g particle is $1062.7\frac{m}{s^{2}}$

Explanation:

Newton's second laws relates acceleration (a), net force(F) and mass (m) in the next way:

$F=ma$ (1)

We already know the mass of the particle so we should find the electric force on it to use on (1), the magnitude of the electric force between two charged objects by Columb's law is:

$F=k\frac{\mid q_{1}q_{2}\mid}{r^{2}}$