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2 years ago

What is accurate about the planet’s climate system?

Physics

1 answer:

ElenaW [278]2 years ago

6 0

The accurate about the planet’s climate system is the wind

because heating near the equator blows the wind to drive the convection cells in the atmosphere, and the friction created by the rotation of the spherical planet in the atmosphere causes the wind to appear to bend left or right across the surface of the planet. ..

The climate system is a highly complex global system consisting of five major components: the atmosphere, the ocean, the cryosphere (cryosphere), the land surface, the biosphere, and the interactions between them.

Solar energy drives the climate by heating the surface of the earth unevenly. Ice also reflects incoming sunlight, further cooling the poles. Temperature differences move the ocean and atmosphere as they work together to disperse heat throughout the globe.

Learn more about the planet’s climate system here:brainly.com/question/15351986

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3 years ago

if a train starts from rest and attains a velocity of 100m/s in 25 seconds. calculate the acceleration produced by the train.

stira [4]

-4 km/s2

Explanation:
0-100/25
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-4

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3 years ago

A 450.0 kg roller coaster is traveling in a circle with radius 15.0m. Its speed at point A is 28.0m/s and its speed at point B i

lutik1710 [3]

Answer:

b) a = 52.26 m / s², a ’= 13.06 m / s², c) N = 2.79 10⁴ N, d) N = 1.89 10³ N

Explanation:

a) In the attached we can see the free body diagrams for the two positions, position A in the lower part of the circle and position B in the upper part of the circle

b) Let's start at point A

Let's use that the acceleration is centripetal

a = v² / r

let's calculate

a = 28² / 15.0

a = 52.26 m / s²

as they relate it is centripetal it is directed towards the center of the circle, therefore for this point it is directed vertically upwards

Point B

a ’= 142/15

a ’= 13.06 m / s²

in this case the acceleration is vertical downwards

c) The values of the normal force

point A

let's use Newton's second law

∑ F = m a

N- W = m a

N = mg + ma

N = m (g + a)

N = 450.0 (9.8 + 52.25)

N = 2.79 10⁴ N

d) Point B

-N -W = m (-a)

N = ma -m g

N = m (a-g)

N = 450.0 (14.0 - 9.8)

N = 1.89 10³ N

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3 years ago