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Arisa [49]
3 years ago
5

The scanning process and magnetic lenses used in a scanning electron microscope often results in fair to poor resolution and "fu

zzy" images.
(A)True
(B)False
Physics
1 answer:
algol133 years ago
3 0

Answer:

(B)False is the answer.

Explanation:

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If the solar system shrank so that the sun were located just one centimeter from Earth, about how far away could you find the ne
DedPeter [7]
E                  S                                                               *

The "E" represents Earth, "S" represent Sun, and the "*" represents the nearest star(which is Proxima Centauri).

The main thing to worry about here is units, so ill label everything out.
D'e,s'(Distance between earth and sun) = .<span>00001581 light years
D'e,*'(Distance between earth and Proxima) = </span><span>4.243 light years

Now this is where it gets fun, we need to put all the light years into centimeters.(theres alot)
In one light year, there are </span>9.461 * 10^17 centimeters.(the * in this case means multiplication) or 946,100,000,000,000,000 centimeters.

To convert we multiply the light years we found by the big number.
D'e,s'(Distance between earth and sun) = 1.496 * 10^13 centimeters<span>
D'e,*'(Distance between earth and Proxima) = </span><span>4.014 * 10^18 centimeters
</span>
Now we scale things down, we treat 1.496 * 10^13 centimeters as a SINGLE centimeter, because that's the distance between the earth and the sun. So all we have to do is divide (4.014 * 10^18 ) by (<span>1.496 * 10^13 ).
Why? because that how proportions work.

As a result, you get a mere 268335.7 centimeters.

To put that into perspective, that's only about 1.7 miles

A lot of my numbers came from google, so they are estimations and are not perfect, but its hard to be on really large scales.</span>
8 0
3 years ago
A car can go from 0 m/s to 38 m/s in 4.5 seconds. If a net force of 6570 N acted on
masha68 [24]

The Mass of the car = 782.1 Kg

<h3>What is the mass of the car?</h3>

The mass of the car is calculated as follows:

  • Mass = Force/ acceleration

The force on the car = 6570 N

The acceleration of the car, a = 38 - 0/4.5

acceleration = 8.44 m/s²

Mass of the car = 6570/8.44

Mass of the car = 782.1 Kg

In conclusion, the mass of the car is obtained from the acceleration and force on the car.

Learn more about mass and acceleration at: brainly.com/question/19385703

#SPJ1

3 0
2 years ago
A sinusoidal electromagnetic wave is propagating in vacuum. At a given point and at a particular time the electric field is in t
Elden [556K]

Answer:

Explanation:

A wave is a disturbance or oscillation that passes through spatial time and is followed by a transfer of energy. For transverse waves, the propagation direction is perpendicular to the oscillation direction. A wave moves energy rather than moving mass within the direction of propagation.

From the given information;

The direction = E^{\to}\times B^{\to}

This implies that:  \hat i \times (-j)

\implies - \hat k

In the -z direction

3 0
3 years ago
Predict whether a gold ring would be a good conductor of electricity. What kind of bonds does gold have? How do these bonds expl
MAVERICK [17]
All ik is that gold is a rare earth metal that dos not conduct electricity
7 0
4 years ago
Which object has the least amount of kinetic energy?
NeTakaya

Answer:

Not sure about the answer but I think its roller coaster

Explanation:

7 0
4 years ago
Read 2 more answers
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