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3 years ago

Earth's polar ice caps, sea ice, glaciers, snow cover, and permafrost make up which sphere?

Physics

2 answers:

julsineya [31]3 years ago

3 0

The Cryosphere "A subsystem of hydrosphere that consists of all the frozen water(snow and ice) on Earth.

mel-nik [20]3 years ago

3 0

Answer:

Cryosphere

Explanation:

Cryosphere is defined as a part of the hydrosphere which covers the frozen portion of the hydrosphere region. This includes the glaciers, ice bergs, permafrost layers, and polar ice caps. These regions where these frozen water are available is comprised of extremely low temperature, that favored the formation of ice, changing its state from liquid to solid.

About 10% of the total landmass on earth is covered by these ice caps and glaciers, and it holds the maximum amount of freshwater present on earth.

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Two small plastic spheres are given positive electrical charges. When they are 16.0 cm apart, the repulsive force between them h

katrin2010 [14]

Answer:

a) 7.5425 * 10^-7 C

b) 3.7712 * 10^-7 C ; 1.5085 * 10^-6 C

Explanation:

Part a)

$F_{elect} = \frac{k*q_{1}*q_{2} }{R^2} \\q_{1} = q_{2} = q\\q = \sqrt{\frac{F_{elect} * R^2}{k} }\\ = \sqrt{\frac{0.2 * 0.16^2}{9*10^9} }\\\\ q = 7.5425 * 10 ^(-7) C$

Part b)

$F_{elect} = \frac{k*q_{1}*q_{2} }{R^2} \\q_{1} = 4*q_{2} \\q = \sqrt{\frac{F_{elect} * R^2}{k*4} }\\ = \sqrt{\frac{0.2 * 0.16^2}{4*9*10^9} }\\\\ q_{2} = 3.7712 * 10 ^(-7) C\\\\q_{1} = 1.5085 * 10 ^(-6) C$

3 0

3 years ago

Objects 1 and 2 attract each other with a electrostatic force of 36.0 units. If the charge of Object 1 is doubled, then the new

Stolb23 [73]

Answer:

F1 = k Q1 * Q2 / R^2

If Q1 is doubled then F2 = 2 F1 = 72 units

5 0

3 years ago

Help, please! Thank you for your kind gesture

blagie [28]

Answer:

The last option.

Explanation:

Since you are going down, the gravitational potential energy would go down too. Thus, the gravitational potential energy decreases.

Since the gravitational potential energy is converted to kinetic energy when you move down, there is an increase in kinetic energy.

5 0

3 years ago

Read 2 more answers

A 4.00-kg model rocket is launched, expelling 64.0 g of burned fuel from its exhaust at a speed of 675 m/s. What is the velocity

olga_2 [115]

Answer:

The velocity of the rocket is 7.8 m/s

Explanation:

3 0

3 years ago

Some volcanic eruptions are quiet and others are violent what causes this difference?

Step2247 [10]

Volcanoes that produce explosive eruptions tend to have thicker, more viscous magma, and a greater volume of gas. <span>Different types of volcanoes tend to produce different types of eruptions. Shield volcanoes, those with broad, gentle slopes, produce the quietest eruptions. The main difference is the shape of the volcano.
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Hope this helps,

kwrob

7 0

3 years ago