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motikmotik
3 years ago
11

How do protons and electrons determine the properties of an atom?

Physics
2 answers:
Nataly [62]3 years ago
6 0
They determine if it has a negative or positive charge
Amiraneli [1.4K]3 years ago
3 0

Answer:

Well protons will contribute to what we all know as the mass of an atom, the number of protons always determine the exact identity of whatever Element you want to describe or find more about. The Electrons always have a negative charge, But because the atom is electrically Neutral, that must mean that the exact number of the Electrons will always equal up to the number of the Protons.

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the mass of a brick is 4 kg, find the mass of water displaced by it when completely immersed in water.​
vova2212 [387]

Answer:

The correct answer is = 1.6

Explanation:

Density of water = 1000kg/m³ = d₁

Mass of brick = 4kg = m

Density of brick = 2.5 g/cm³ = 2.5 × 1000 =2500 kg/m³ = d₂

Volume of brick = m/d₂ = 4/2500 =16/10000 = 0.0016 L = v

Buoyant Force = v × d₁ × g          (g= acceleration due to gravity =9.8m/s²)

= 0.0016 × 1000 × 9.8 = 15.68 Newtons

By the Archimedes' Principle, the buoyant force is equal to the weight of the liquid displaced by an object.

Weight of the water displaced=Buoyant Force

=Mass of water displaced × g,

as weight = mass × acceleration due to gravity

15.68= mass of brick × 9.8

15.68/9.8 =Mass of water displaced

1.6 kg = Mass of water displaced

4 0
3 years ago
How is work involved in stopping a car?
vichka [17]
You have to move your foot to stop the car so I guess that would be considered work by moving your foot
5 0
3 years ago
Read 2 more answers
What causes different colors to appear in the sky.
dlinn [17]

Answer:

The colors of the sunset result from a phenomenon called scattering. Molecules and small particles in the atmosphere change the direction of light rays, causing them to scatter. ... The short-wavelength blue and violet are scattered by molecules in the air much more than other colors of the spectrum.

Explanation:

6 0
3 years ago
40 POINTS!!! PLEASE HELPP!!!
NeX [460]

Answer:

A

Explanation:

if it was B it would say from one to another to another

7 0
2 years ago
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The power in an electrical current is given by the equation
Tcecarenko [31]

Answer:

P = VI

Explanation:

the power is equal to the current × voltage

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2 years ago
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