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pantera1 [17]
2 years ago
7

The sun heats earth's atmosphere unevenly. this causes convection currents to move in large circles in the atmosphere. what is t

he result of convection currents in the atmosphere?
Physics
2 answers:
topjm [15]2 years ago
6 0
The answer is wind. we all know that this is often the horizontal drive of air. All wind is created by the not level heating of layer, that arrays convection currents in the signal. Convection currents on an enormous<span> scale make global winds; convection currents on a minor scale cause local winds.

Explanation:


</span>Convection currents area unit is known<span> in Earth's mantle. Heated mantle material is shown rising from deep </span>within<span> the mantle, </span>whereas cooler<span> mantle material sinks, </span>making<span> a convection current. </span>it's<span> thought that </span>this sort<span> of current is </span>responsible for<span> the movements of the plates of </span>crust.

<span>Convection is </span>one in each of the key<span> processes in </span>making<span> our weather. Convection is one </span>explanation for<span> rising air in our atmosphere, </span>sometimes heat<span> air rises </span>higher than<span> cold air.</span>
<span>Convection </span>happens once the planet<span> is heated </span>inconsistently<span>.

The air over </span>the planet can<span> heat </span>in step with how briskly the planet under that<span> heats. That </span>a part of<span> the atmosphere that heats </span>quicker can<span> expand.</span>
vladimir2022 [97]2 years ago
3 0

The answer is wind. We know that this is the horizontal drive of air. All wind is produced by the not level heating of Earth's surface, which arrays convection currents in signal. Convection currents on a big scale make global winds; convection currents on a minor scale cause local winds.

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Calculate the maximum capillary rise/fall of mercury in a 0.5 mm radius glass capillary. Assume that the surface tension for mer
tekilochka [14]

Answer: 0.01 m

Explanation: The formulae for capillarity rise or fall is given below as

h = (2T×cosθ)/rpg

Where θ = angle mercury made with glass = 50°

T = surface tension = 0.51 N/m

g = acceleration due gravity = 9.8 m/s²

r = radius of tube = 0.5mm = 0.0005m

p = density of mercury.

h = height of rise or fall

From the question, specific gravity of density = 13.3

Where specific gravity = density of mercury/ density of water, where density of water = 1000 kg/m³

Hence density of mercury = 13.3×1000 = 13,300 kg/m³.

By substituting parameters, we have that

h = 2×0.51×cos 50/0.0005×9.8×13,300

h = 0.6556/65.17

h = 0.01 m

8 0
2 years ago
An airplanes lands with a velocity of +75 m/s and comes to a stop in 20 seconds. What is the acceleration of the airplane while
erma4kov [3.2K]

Answer:

The acceleration of the car, a = -3.75 m/s²

Explanation:

Given data,  

The initial velocity of the airplane, u = 75 m/s

The final velocity of the plane, v = 0 m/s

The time period of motion, t = 20 s

Using the I equations of motion

                    v = u + at

                     a = (v - u) / t

                        = (0 - 75) / 20

                        = -3.75 m/s²

The negative sign indicates that the plane is decelerating

Hence, the acceleration of the car, a = -3.75 m/s²

7 0
2 years ago
PLEASE HELP!!! I have so much work left to do. PLEASE!!!
Neko [114]

Answer:

the answer is C.

Explanation:

6 0
3 years ago
An electric space heater draws 16.0 amps from a 120 volt source. This device is operated, on average, for 8.0 hours a day. How m
iogann1982 [59]

Answer:

1920watts

Explanation:

P=IV

P = 16 x 120 = 1920 watts

6 0
3 years ago
Squids propel themselves by expelling water. They do this by keeping water in a cavity and then suddenly contracting the cavity
Musya8 [376]

Answer:

v_squid = - 2,286 m / s

Explanation:

This exercise can be solved using conservation of the moment, the system is made up of the squid plus the water inside, therefore the force to expel the water is an internal force and the moment is conserved.

Initial moment. Before expelling the water

          p₀ = 0

the squid is at rest

Final moment. After expelling the water

         p_{f} = M V_squid + m v_water

         p₀ = p_{f}

          0 = M V_squid + m v_water

           c_squid = -m v_water / M

The mass of the squid without water is

            M = 9 -2 = 7 kg

let's calculate

           v_squid = 2 8/7

           v_squid = - 2,286 m / s

The negative sign indicates that the squid is moving in the opposite direction of the water

8 0
3 years ago
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