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Norma-Jean [14]
3 years ago
7

What quantity do units represent in value

Physics
2 answers:
LenaWriter [7]3 years ago
5 0
A unit of measurement is a define magnitude
mariarad [96]3 years ago
5 0

Answer:

Size

Explanation:

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How do the gravitational and electrical forces between a proton and neutron compare
uysha [10]
Assume distance of seperarion is 1m

F.elec = kQq/r^2

charge of a proton: 1.6×10^-19 C
charge of a neutron: 0 C

F.elec = 0 N

F.grav = GMm/r^2

mass of a proton: 1.672621898×10^-27 kg
mass of a neutron: 1.674927471×10^-27 kg

F.grav = (6.67408×10^-11)×(1.674927471×10^-27)×(1.672621898×10^-27)÷(1^2)

F.grav = 1.8699588×10^-64 N
4 0
4 years ago
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Really simple science packet, i just need help it’s due tomorrow. thank y’all :)
Karolina [17]

Answer: b or d

Explanation:

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3 years ago
a ladybug crawls vertically on a leaf. its motion is shown on the following graph of vertical position y vs time t what is the a
Sladkaya [172]

Explanation:

The attached figure shows the position-time graph of a ladybug. We need to find the average speed of the ladybug between t = 4 s to t = 7 s.

We know that, the slope of a position-time graph gives velocity of an object. It can be given by :

v=\dfrac{y_2-y_1}{t_2-t_1}

In this case, the position of a ladybug at t = 4 s and at t = 7 s is the same i.e. 2 m.

It means its velocity is equal to at this time or we can say that ladybug is at rest.

8 0
4 years ago
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Which of the following are thought to be rapidly rotating neutron stars with intense magnetic fields? Choose one answer.a. pulsa
frutty [35]
<h2>Answer: Pulsars</h2>

A <u>pulsar</u> is a neutron star that emits very intense electromagnetic radiation at short and periodic intervals ( rotating really fast) due to its intense magnetic field that induces this emission.  

Nevertheless, it is important to note that all pulsars are neutron stars, but not all neutron stars are pulsars.

Let's clarify:

A neutron star, is the name given to the remains of a supernova. In itself it is the result of the gravitational collapse of a massive supergiant star after exhausting the fuel in its core.  

Neutron stars have a small size for their very high density and they rotate at a huge speed.  

However, the way to know that a pulsar is a neutron star is because of its high rotating speed.  

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4 years ago
A body is a particular amount of matter. It can be a solid, liquid or gas. It can be described as existing in A. location and mo
Katarina [22]

Answer:

c.it can be described as existing in time and space

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4 years ago
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