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3 years ago

Where should clouds form and why

Physics

1 answer:

LiRa [457]3 years ago

8 0

Answer:

When air rises in the atmosphere it gets cooler and is under less pressure. When air cools, it's not able to hold all of the water vapor it once was. Air also can't hold as much water when air pressure drops. The vapor becomes small water droplets or ice crystals and a cloud is formed.

Explanation:

hope this helps.

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Planet-X has a mass of 4.74×1024 kg and a radius of 5870 km. The First Cosmic Speed i.e. the speed of a satellite on a low lying

Tanya [424]

10,378.82 m/s is the second cosmic speed.

69,801 km is the radius of the synchronous orbit of a satellite.

Given

Mass of planet = 4.74 × $10^{24}$ kg

Radius of planet = 5870 km = 5870000m

First Cosmic speed = 7.34 km/sec

1) Second cosmic speed i.e. the minimum speed required for a satellite to break free permanently from the planet is also known as the escape velocity of a satellite.

It can be calculated by

v = √2GM/r where,

v= Escape velocity of the satellite

G = Gravitational constant

M = Mass of planet

r = Radius of planet

v = √[( 2 x 6.67 x 10⁻¹¹ x 4.74 x 10²⁴) / (5870 x 10³)]

v = 10,378.82 m/s

2) Speed of the satellite at the given period

v = 2πr/T where,

T= Time period of rotation = 16.6 × 3600 seconds

r = v×T/2π

r = (7,338.93 x 16.6 x 3600 s) / (2π)

r = 69,801 km

Hence

The Second Cosmic Speed i.e. the minimum speed required for a satellite to break free permanently from the planet is 10,378.82 m/s.

And the radius of the synchronous orbit of a satellite is 69,801 km.

Learn more about cosmic speed here brainly.com/question/15351190

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3 0

2 years ago

Chance drives his scooter 7km north he stops for lunch and then drives 5km East to his friend house what distance did he cover

Katena32 [7]

Answer:12km

Explanation:

7km+5km=12km

6 0

3 years ago

Name two examples of deposition.

Rashid [163]

The reverse of deposition is sublimation and hence sometimes deposition is called desublimation. One example of deposition is the process by which, in sub-freezing air, water vapor changes directly to ice without first becoming a liquid.

8 0

4 years ago

Read 2 more answers

Question 5 of 5: Someone texting or talking spans an average of 27 seconds after they put the phone down are still thinking abou

AVprozaik [17]

The answer is true. Distraction “latency” lasts for about 27 seconds.

This means that even after driver put down the phone or stop fooling with the navigation system; he or she isn’t fully committed with the driving task. Talking on a cell phone and texting are frequent what people associate with distracted driving, but there are so much more activities behind distracted driving.

7 0

4 years ago

Power of sunlight on Earth The Sun emits about 3.9 * 1026 J of electromagnetic radiation each second. (a) Estimate the power tha

ratelena [41]

Answer:

a)6.34 x $10^{7}$ W/m²

b)1.37 x $10^{3$ W/m²

c) see explanation.

Explanation:

a)The relation of intensity'I' of the radiation and area 'A' is given by:

I= P/A

where P= power of sunlight i.e 3.9 x $10^{26}$ J

and the area of the sun is given by,

A= 4π $R_{sun}$ => 4π $(\frac{1.4*10^{9} }{2} )^{2}$

A=6.15 x $10^{18}$ m²

$I_{sun}$ = 3.9 x $10^{26}$ / 6.15 x $10^{18}$ => 6.34 x $10^{7}$ W/m²

b) First determine the are of the sphere in order to determine intensity at the surface of the virtual space

A= 4π $R$

Now R= 1.5 x $10^{11$ m

A= 4π x 1.5 x $10^{11$ =>2.83 x $10^{23$ m²

The power that each square meter of Earths surface receives

$I_{earth$ = 3.9 x $10^{26}$ /2.83 x $10^{23$ =>1.37 x $10^{3$ W/m²

c) in part (b), by assuming the shape of the wavefront of the light emitted by the Sun is a spherical shape so each point has the same distance from the source i.e sun on the wavefront.

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3 years ago