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wlad13 [49]
3 years ago
7

Which particle of the atom has a negative charge?

Physics
2 answers:
GuDViN [60]3 years ago
5 0
Electron,......l,l,l,l,l,l,l,l,l,
olga55 [171]3 years ago
4 0
The answer is A, electron. A proton has a positive charge and a neutron has a neutral charge. Lastly, the nucleus is the combination of both the neutrons and protons in the atom which would be positive. Hope this helps. :)
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Calculate the frequency of visible light having a wavelength of 410 nm
maria [59]
Given: Wavelength λ = 410 nm  convert to Meters m = 4.10 x 10⁻⁷ m

Speed of light c = 3 x 10⁸ m/s

Required: Frequency  f = ?

Formula: c = λf 

               f = c/λ

               f = 3 x 10⁸ m/s/4.10 x 10⁻⁷ m

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2 years ago
A 1569 kg car moves with a velocity of 15 m/s. What is its kinetic energy? Joules
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8 0
3 years ago
What is the role of neutrons in an atom?
mihalych1998 [28]
Hihi!

The correct answer is B) <span>neutron keep protons apart so they don’t repel 
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Carlos gives a grocery cart a 60-N push. The cart has a mass of 40 kg. What is the cart's acceleration?
andre [41]
<h3>Answer:</h3>

1.5 m/s²

<h3>Explanation:</h3>

We are given;

Force as 60 N

Mass of the Cart as 40 kg

We are required to calculate the acceleration of the cart.

  • From the newton's second law of motion, the rate of change in momentum is directly proportional to the resultant force.
  • That is, F = ma , where m is the mass and a is the acceleration

Rearranging the formula we can calculate acceleration, a

a = F ÷ m

  = 60 N ÷ 40 kg

  = 1.5 m/s²

Therefore, the acceleration of the cart is 1.5 m/s²

3 0
3 years ago
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