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ss7ja [257]
4 years ago
10

Is hot asphalt that is poured into the ground and cools a physical or chemical change?

Physics
2 answers:
Gala2k [10]4 years ago
5 0
Physical change
Because it's changed by heat
BaLLatris [955]4 years ago
5 0
Physical. the asphalt itself is not changing. Only its state, from liquid to solid.
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During fusion, atoms are divided.<br> a. True<br> b. False
maksim [4K]
Sorry for answering late! The definition of Fusion is <span>the process or result of joining two or more things together to form a single entity. So that means its False :) </span>
8 0
3 years ago
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Describe the steps of aerobic cellular respiration and the amount of energy produced by each step.
Setler [38]

Aerobic cellular respiration have 3 parts, this is Glycolysis, Pyruvate Oxidation and Krebs cycle.

<h3>How is the aerobic breathing process?</h3>

Aerobic respiration consists of carrying out the process of degradation of organic molecules, reducing them to molecules with practically no releaseable energy. The products of the initial degradation of the organic molecule are combined with oxygen in the air and transformed into carbon dioxide and water.

In this case, Aerobic cellular respiration have 3 parts:

  • Glycolysis(yeilds 2ATP & 2NADH).
  • Pyruvate Oxidation(yeilds 2NADH).
  • Krebs cycle(yeilds 2GTP,2FADH2 & 6NADH).

So the total =4ATPs (2GTP equivalent to 2ATP) +10NADH (equivalent to 30ATPs) + 2FADH2(4 ATPs) =38 ATPs.

See more about Aerobic cellular respiration at brainly.com/question/22531444

#SPJ4

3 0
2 years ago
Which of the following would affect the climate of an area?
Yuliya22 [10]
ΒγΕ the answer should be a hot day

5 0
4 years ago
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A flat uniform circular disk (radius = 2.00 m, mass= 100
ExtremeBDS [4]

Answer:

0.5 rad / s

Explanation:

Moment of inertia of the disk I₁ = 1/2 MR²

M is mass of the disc and R is radius

Putting the values in the formula

Moment of inertia of the disc  I₁  = 1/2 x 100 x 2 x 2

= 200 kgm²

Moment of inertia of man about the axis of rotation of disc

mass x( distance from axis )²

I₂  = 40 x 1.25²

= 62.5 kgm²

Let ω₁ and ω₂ be the angular speed of disc and man about the axis

ω₂ = tangential speed / radius of circular path

= 2 /1.25 rad / s

= 1.6 rad /s

ω₁ = ?

Applying conservation of angular moment ( no external torque is acting on the disc )

I₁ω₁ = I₂ω₂

200 X ω₁ = 62.5 X 1.6

ω₁ =  0.5 rad / s

7 0
3 years ago
Andrea and Chuck are riding on a merry-go-round. Andrea rides on a horse at the outer rim of the circular platform, twice as far
velikii [3]

Answer: a) Twice Chuck's

Explanation:

If the angular speed is constant, as the merry - go -round is a rigid body, so the distance between two points must remain the same, it is needed that the points farther the center, move faster than the ones closer to it.

There exists a relationship between tangential and angular speed, as follows, that relates the definitions of linear and angular speed, and the angle definition:

angle = arc / radius ⇒ Δθ/Δt = Δs/Δt / r ⇒ ω = v/r ⇒ v = ω. r

If ω is constant, v is directly proportional to r, distance to the center (radius in a circular platform), so if r is twice for Andrea, her tangential speed must be twice Chuck's.

5 0
4 years ago
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