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Irina18 [472]
3 years ago
8

Which of the following is transferred to an object when work is done? A. motion B. energy C. force D. friction

Physics
1 answer:
ziro4ka [17]3 years ago
5 0
The answer will be letter B because after work people need some energy
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1 kilo = 1000 gms

Therefore, 5 kilo = 5000 gms

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Amber is a<br>(a) metal<br>(b) rubber<br>(c) resin<br>(d) sugar<br>​
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4 0
2 years ago
A proton moves a distance 10 cm in a uniform electric field of 3.5 kN C, in the direction of the field.
lawyer [7]

The change in potential energy of the proton is  5.6 x 10^{-17} Joule

<h3>What is a Uniform Electric Field ?</h3>

A uniform electric field is where the electric field strength is the same at all points in the field. In the uniform field, the force experienced by a charge is the same no matter where it is placed in the field.

Given that a proton moves a distance 10 cm in a uniform electric field of 3.5 kN C, in the direction of the field.

  • The distance d = 10 cm = 0.1 m
  • Electric field E = 3.5 KN/C
  • Proton charge q = 1.6 x 10^{-19} C

The Work done = Fd

but F = Eq

Recall that Electric field E = F/q = V/d

Where V = potential difference.

Let us first calculate the V

E = V/d

V = Ed

Substitute all the parameters into the formula above

V = 3.5 × 10³ × 0.1

V = 350 v

from F/q = V/d

make F the subject of formula and substitute it in work formula

F = Vq/d

W.D = Vq/d x d

W.D = Vq

Substitute all the parameters into the formula above

W.D = 350 x 1.6 x 10^{-19}

W.D = 5.6 x 10^{-17} J

Work done = Energy = Potential Energy

Therefore, the change in potential energy of the proton is 5.6 x 10^{-17}<em> Joule</em>

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Learn more about Electric Field here: brainly.com/question/14372859

#SPJ1

7 0
2 years ago
Light travels in a transparent material at 2.5 x 10 m/s. Find the index of refraction of the
Andreyy89
I would say 5.6 to the 4 and I’ll I did was add it to both side
3 0
3 years ago
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