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NNADVOKAT [17]
3 years ago
11

Main ingredient of all cells

Physics
1 answer:
Sati [7]3 years ago
7 0
Chloroplast...................
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What is an atomic nucleus
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The atomic nucleus is the small, dense region consisting of protons and [[]]s at the center of an atom

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Plzzzz helpppppppo Near the end of the life cycle of a star why does the star lose its size
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Because the energy is waning

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HELP PLEASE!! An illustration of a pendulum at 3 positions of a pendulum. The equilibrium position is labeled B. The other two p
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Both A and C

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1. Predict whether the energy required to remove an electron from magnesium and potassium would be more or less than that requir
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In both cases less energy is required

But comparetively Mg require more energy than K

Let's see the electron configuration of Both

  • [Mg]=1s²2s²2p⁶3s²=[Ne]3s²
  • [K]=1s²2s²2p⁶3s²3p⁶4s¹=[Ar]4s¹

K has only one valence electron so very less ionization enthalpy so less energy required

Mg has 2 so more IE hence more energy required

8 0
1 year ago
A bicyclist of mass 112 kg rides in a circle at a speed of 8.9 m/s. If the radius of the circle is 15.5 m, what is the centripet
kogti [31]
The centripetal force, Fc, is calculated through the equation, 
                                    Fc = mv²/r
where m is the mass,v is the velocity, and r is the radius. 
Substituting the known values,
                                     Fc = (112 kg)(8.9 m/s)² / (15.5 m)
                                         = 572.36 N
Therefore, the centripetal force of the bicyclist is approximately 572.36 N. 
4 0
3 years ago
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