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Verizon [17]
3 years ago
5

Why do alpha particles and nuclei repel each other rather than attract eachother

Physics
1 answer:
Vesnalui [34]3 years ago
5 0
Both have positive charge. In fact, an alpha particle IS a nucleus of a Helium atom.
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Two capacitors have the same size of plates and the same distance 4 mm between the plates The potentials of the two plates in ca
OverLord2011 [107]

Answer:

    E = -4000 N / C

Explanation:

The potential and electric field are related

         V = - E s

          E = - V / s

we reduce the magnitudes to the SI system

          s = 4 mm (1 m / 1000 mm) = 0.004 m

we calculate

          E = - 16 /0.004

          E = -4000 N / C

8 0
3 years ago
Does mechanical advantage have units? Explain your answer.
motikmotik

Answer:

The mechanical advantage of a machine is the ratio of the load (the resistance overcome by a machine) to the effort (the force applied). For an ideal (without friction) mechanism, it is also equal to: There is no unit for mechanical advantages since the unit for both input and output forces cancel out.

Explanation:

6 0
3 years ago
Read 2 more answers
What instrument uses a magnetic field to magnify imags up to 100000000?
Mariana [72]
Transmission electron microscope
5 0
3 years ago
____ enforced regulations primarily aim to reduce environmental pesticide contamination
Ket [755]

Environmental Protection Agency enforced regulations primarily aim to reduce environmental pesticide contamination.

<h3>What is a Pesticide?</h3>

This refers to a chemical which is used to control pests and examples include insecticide, nematicide etc.

Environmental Protection Agency is government owned and ensures strict enforcement of regulations to reduce environmental pesticide contamination which could lead to death of beneficial organisms.

Read more about Environmental Protection Agency here brainly.com/question/23486143

#SPJ1

8 0
2 years ago
In 1993, the gold reserves in the United States were about 8.490 x 10^6
lorasvet [3.4K]
  • Mass of gold :-8.490×10⁶kg
  • Density=19300kg/m³

Volume?

Let's see

Volume:-

  • Mass/Density
  • 8.49×10⁶/19300
  • 0.000439×10⁶
  • 439m³
6 0
2 years ago
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