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Gwar [14]
3 years ago
8

Usa test prep- Look at the picture below to answer. If u answer correctly i will mark you as brainliest!

Physics
2 answers:
Diano4ka-milaya [45]3 years ago
7 0
A. Since the nucleus consists of protons and neutrons, they have a mass of 1 units while electrons that are surrounding the nucleus has almost negligible weight.

Plsssss mark me as brainliest
Vladimir [108]3 years ago
4 0

Answer:

A

Explanation:

The greatest concentration of atomic mass is in the nucleus because it is made up of protons and neutrons. The electrons surrounding the nucleus don't have as much mass as protons or neutrons.

Hopefully this helps...

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What distance was an object moved by a force of 40 N if the work was 600 joules
Westkost [7]

If a force of 40 N does 600 joules of work, then it must have been applied continuously through a distance of  (600/40) = 15 meters .

We can't tell how far the object ultimately moved, because we don't know
what other forces may have been acting on it.  If there were NO other forces,
then it just kept going, even after the 40-N force stopped, with the same
600 joules of kinetic energy that it got from the work that the force did.


6 0
3 years ago
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Do this work if someone give correct answer I make her brainliest do this worksheet please
alexira [117]

Answer:

a. Any one way then I can say that Aluminum sulfide has mass per mole of ≈150.2g while aluminum has mass per mole of 26.9g

b. Sulfur is an element but aluminum sulfide is a compound

c.Beryllium and chlorine

d. BeCl2

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3 years ago
What is an astronomical unit (AU)?
avanturin [10]

The AU ... Astronomical Unit ... used to be defined as the average distance between the Sun and Earth during the year.

Now it's defined as 149,597,870,700 meters exactly.

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3 years ago
If the kinetic energy of a particle is doubled, by what factor has its speed increased?
Nady [450]
<span> velocity increases by √3</span>
6 0
4 years ago
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An emf is induced by rotating a 1060 turn, 20.0 cm diameter coil in the Earth's 5.25 ✕ 10−5 T magnetic field. What average emf (
lara31 [8.8K]

Answer:

The average emf induced in the coil is 175 mV

Explanation:

Given;

number of turns of the coil, N = 1060 turns

diameter of the coil, d = 20.0 cm = 0.2 m

magnitude of the magnetic field,  B = 5.25 x 10⁻⁵ T

duration of change in field, t = 10 ms = 10 x 10⁻³ s

The average emf induced in the coil is given by;

E = N\frac{\delta \phi}{dt} \\\\E = N\frac{\delta B}{\delta t}A

where;

A is the area of the coil

A = πr²

r is the radius of the coil = 0.2 /2 = 0.1 m

A = π(0.1)² = 0.03142 m²

E = \frac{NBA}{t} \\\\E = \frac{1060*5.25*10^{-5}*0.03142}{10*10^{-3}} \\\\E = 0.175 \ V\\\\E = 175 \ mV

Therefore, the average emf induced in the coil is 175 mV

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3 years ago
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