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3 years ago

Neutrons, protons, electrons are known as subatomic particles explain why that is?

2 answers:

8 0

Together, they constitute an atom, so they are called sub-atomic particles, where neutrons & protons reside under the nucleus whereas electrons revolve outside the nucleus

Hope this helps!

Alekssandra [29.7K]3 years ago

5 0

<span>Particles that are smaller than the atom are called subatomic particles. The three main subatomic particles that form an atom are protons, neutrons, and electrons. The center of the atom is called the nucleus.</span>

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8. A spring of spring constant 4 N/m is stretched 0.5 meters. How strong is the restoring force?

pogonyaev

So, the recovery force of the spring is <u>2 N in the opposite direction of the pull</u>.

<h3>Introduction</h3>

Hi ! Here, I will help you about the spring recovery force. <u>The restoring force is the force that opposes the direction of the initial pull of the spring (either when the spring is pulled horizontally or vertically)</u>. The restoring force is strongly influenced by the type of spring (through the spring constant) and the length of the strain that occurs. Negative values in spring restoring force only indicate direction, not value. The equation that applies is as follows:

If the spring is pulled horizontally

$\boxed{\sf{\bold{F = - k \times \Delta x}}}$

With the following condition :

F = recovery force (N)
k = spring constant (N/m)
$\sf{\Delta x}$ = horizontal length change (m)

If the spring is pulled vertically

$\boxed{\sf{\bold{F = - k \times \Delta y}}}$

With the following condition :

F = recovery force (N)
k = spring constant (N/m)
$\sf{\Delta y}$ = vertical length change (m)

<h3>Problem Solving</h3>

We know that :

Assume the spring is pulled horizontally
k = spring constant = 4 N/m
$\sf{\Delta x}$ = horizontal length change = 0.5 m

What was asked :

F = recovery force = ... N

Step by step :

$\sf{F = - k \times \Delta x}$

$\sf{F = - 4 \times 0.5}$

$\boxed{\sf{F = -2 \: N}}$

<h3>Conclusion :</h3>

So, the recovery force of the spring is 2 N in the opposite direction of the pull.

4 0

2 years ago

With Brainly, what happens if no one answers your question? Do you get points back?

Gre4nikov [31]

Explanation: When nobody answers your question, you cannot get your points back. Even if the moderators delete it. I'm sorry.

Hope this helps! :D

-TanqR

(Please mark me as brainliest)

4 0

3 years ago

Read 2 more answers

What property of matter changes depending on location?

Angelina_Jolie [31]

Answer:

weight. The force with which an object near the Earth or another celestial body is attracted toward the center of the body by gravity. An object's weight depends on its mass and the strength of the gravitational pull.

Explanation:

This may be right i'm not 100%

8 0

3 years ago

Solids

liberstina [14]

Answer:

1.Close

2.Exert inter.olecular force

3.Same

4.can

loosely
exert kinetic energy
move

very loose packed
freely
also exert kinetic enegy

3 0

3 years ago

An object is 1.0 cm tall and its inverted image is 4.0 cm tall. what is the exact magnification

gtnhenbr [62]

-4.0 (negative since the image is inverted)

3 0

4 years ago