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Semenov [28]
3 years ago
8

What is the work done by the electric force to move a 1 c charge from a to b?

Physics
1 answer:
frosja888 [35]3 years ago
4 0

The work done by the electric force to move a 1 c charge from a to b is

<em>(the voltage at 'b' compared to 'a') volts .</em>

<em></em>

That's because "volt" means "Joule per Coulomb" .

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What are some indicators of energy transformations?
Annette [7]

Explanation:

Contact, vision, sound, flavor, and smell are all markers of energy transformations. The most basic example would be when we notice something has begun to pass through vision. Whenever an entity accelerates or slows down, energy is constantly transformed.

5 0
3 years ago
(a) find the magnitude of the gravitational force between a planet with mass 7.50 3 1024 kg and its moon, with mass 2.70 3 1022
anzhelika [568]
<span>The magnitude of the gravitational force between two bodies is the product of their masses divided by the square of the distance between them. So we have F = M1*M2 / r^2. M1 = 7.503 * 10e24 and M2 = 2.703 * 10e22 and r= 2.803 * 10e8; r^2 = 5.606 *10e16. So we have 7.503 *2.703 *10^(24+22) = 20.280 * 10^(46). Then we divide our answer by 5.606 * 10e16 which is the distance ; then we have 3.6175 * 10 e (46- 16) = 3.6175 * 10e30. To find the acceleration we use Newton's second law F = ma. F is 3.6175 * 10e30 and M is 7.503 * 10e24 so a = F/M and then we have 3.6175/7.503 * 10e (30-24) = 0.48 * 10e6. Similarly for moon, we have a = 3.6715/2.703 * 10e(30-22). = 1.358 * 10e8</span>
4 0
3 years ago
When an excited electron falls from n = 3 to n = 2, a red radiation in the Balmer series emitted. What is the frequency of this
vichka [17]

Answer:

The frequency of this photon is 4.57\times10^{14}\ Hz

(D) is correct option.

Explanation:

Given that,

Excited states,

n=3

n=2

We need to calculate the wavelength

Using formula for energy

E=13.6(\dfrac{1}{n^2}-\dfrac{1}{m^2})

E=13.6(\dfrac{1}{4}-\dfrac{1}{9})

E=1.888\ eV

E=1.888\times1.6\times10^{-19}\ J

E=3.0208\times10^{-19}\ J

We need to calculate the frequency

Using formula of frequency

E=hf

f=\dfrac{E}{h}

Where, E =energy

f=\dfrac{3.0208\times10^{-19}}{6.63\times10^{-34}}

f=4.57\times10^{14}\ Hz

Hence, The frequency of this photon is 4.57\times10^{14}\ Hz

4 0
2 years ago
HELP I DONT HAVE THAT MUCH POINTS LEFT BUT 15 POINTSSS
Aliun [14]

Answer:

A

Explanation:

the answers are all not good, but I would say A is the best

4 0
3 years ago
Read 2 more answers
What are the two key elements needed for fossilization
xenn [34]
Body Fossils and Trace Fossils.


Hope I helped and good luck with school. Bye!
3 0
3 years ago
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