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eduard
2 years ago
7

Why is there a difference between potential and kinetic energy?

Physics
1 answer:
inn [45]2 years ago
3 0

Potential energy is stored energy because it has the potential to do something which laters turns into kinetic energy which is the moving energy.

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Why is it important to use the correct number of significant digits when
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Answer:

D

Explanation:

Scientists use significant figures to avoid claiming more accuracy in a calculation than they actually know.

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3 years ago
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During which stage of the cell cycle does the cell condense chromosomes and break down the nuclear envelope? Group of answer cho
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Prophase

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During the Prophase

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3 years ago
Which types of electromagnetic waves have wavelengths that are longer than those of visible light but shorter than those of micr
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On one end of the electromagnetic spectrum are radio waves, which have wavelengths billions of times longer than those of visible light. On the other end of the spectrum are gamma rays, with wavelengths billions of times smaller than those of visible light.

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add me as brainliest if u the answer is helpful

4 0
2 years ago
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A Ferris wheel has diameter of 10 m. It rotates at a uniform rate and makes one revolution in 8.0 seconds. A person weighing 670
Nikolay [14]

Answer:  459.14 N

Explanation:

from the question, we have

diameter = 10 m

radius (r)  = 5 m

weight (Fw) = 670 N

time (t) = 8 seconds

Circular motion has centripetal force and acceleration pointing perpendicular and inwards of the path, therefore we apply the equation below

∑ F = F c =  F w − Fn ..............equation 1

Fn = Fw − Fc = mg − (mv^2 / r) ...................equation 2

substituting the value of v as (2πr / T) we now have

Fn = mg − (m(2πr / T )^2) / r

Fn= mg − (4(π^2)mr / T^2)   ..........equation 3

Fw (mass of the person) = mg

therefore m = Fw / g

                m = 670 / 9.8 = 68.367 kg

now substituting  our values into equation 3

Fn = 670 - ( (4 x (π^2) x 68.367 x 5 ) / 8^2)

Fn = 670 - 210.86

Fn = 459.14 N

4 0
3 years ago
Explain the significance behind the universe having a flat geometry.
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<span>The meaning of the Big Bang has been very often misunderstood. It is thought that something exploded somewhere and then the exploded part expanded to where we are currently.  I hope this did help If not I`m so sorry.</span>
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2 years ago
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