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olga2289 [7]
2 years ago
12

As a mercury atom absorbs a photon of

Physics
1 answer:
Allisa [31]2 years ago
8 0
The energy absorbed by photon is 1.24 eV.
This is the perfect answer.
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Do the proton and the neutron have exactly the same mass? How do the masses of the proton and the neutron compare to the mass of
True [87]

Answer:

Explanation:

mas of proton = 1.673 x 10^-27 kg

mass of neutron = 1.675 x 10^-27 kg

mass of electron = 9.1 x 10^-31 kg

(a) the mass of proton and the mass of neutron is not exactly same.

(b) mass of proton = 1838.46 x mass of electron

mass of neutron = 1840.65 x mass of electron

(c) As proton and neutrons are more massive than the electrons, so the protons and the neutrons has the greatest contribution of mass of an atom.

(d) The greatest contribution to the chemical properties of an atom is due to the electrons.

6 0
2 years ago
What must be the reaction force when someone hits a tree with an axe?
Iteru [2.4K]

Answer: The correct option is that the axe handle applying a force to the person's hand.

Explanation:

This reaction force is due to Newton's third law of motion. This law states that for every action there is equal and opposite reaction to it. This implies that when a force is being exerted on a surface, the surface must exert a force that is equal and opposite in direction to the exerting force. This law represents a certain symmetry in nature that forces always occur in pairs, and one body cannot exert a force on another without experiencing a force itself.

A typical example of Newton's third law includes:

--> When you hit a tree with an axe: with your hand you exert a force on the tree with the intention to cut it down(action force). The same force you excreted on the tree would be felt in your hands (reaction force).

--> when air rushes out of a balloon: when air escapes for a balloon, the opposite reaction is that the balloon flies up.

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2 years ago
A _______ satellite records reflected wavelengths from Earth's surface
masha68 [24]
<span>A Landsat satellite records reflected wavelengths from Earth's surface<span /></span>
3 0
3 years ago
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Why do clothes often cling together after tumbling in a clothes dryer? 1. the dryer heat caused some of the fabrics to melt toge
Oduvanchick [21]
I think it is 3 or 2 hope i helped
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3 years ago
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Which of the following statements about the resistsance of a wire is correct? Select THREE answers.
viva [34]

Answer:

Its a

Explanation:

4 0
2 years ago
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