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otez555 [7]
2 years ago
11

Determine la densidad de un objeto cuya masa es de 10 kg y tiene un volumen de 120 cm3

Physics
1 answer:
NNADVOKAT [17]2 years ago
7 0

Answer:

dttydghcghcghdytdftygfvghxk,ghc

Explanation:

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A spherical drop of water carrying a charge of 42 pC has a potential of 620 V at its surface (with V = 0 at infinity). (a) What
iren [92.7K]

Answer:

0.0006091222 m

Explanation:

q = Charge = 42 pC

V = Voltage = 620 V

\epsilon_0 = Permittivity of free space = 8.85\times 10^{-12}\ F/m

Electric potential is given by (at r = R)

V=\dfrac{q}{4\pi\epsilon R}\\\Rightarrow R=\dfrac{q}{4\pi\epsilon V}\\\Rightarrow R=\dfrac{42\times 10^{-12}}{4\pi\times 8.85\times 10^{-12}\times 620}\\\Rightarrow R=0.0006091222\ m

The radius of the drop is 0.0006091222 m

3 0
3 years ago
A small metal ball is given a negative charge, then brought near to end a of the rod (figure 1). What happens to end a of the ro
erma4kov [3.2K]

What happens to end a of the rod when the ball approaches it closely this first time is; It is strongly attracted.

<h3>Electrostatics</h3>

I have attached the image of the rod.

We are told that the ball is much closer to the end of the rod than the length of the rod. Thus, if we point down the rod several times, the distance of approach will experience no electric field and as such the charge on end point A of the rod must be comparable in magnitude to the charge on the ball.

This means that their fields will cancel.

Finally, we can conclude that when a charge is brought close to a conductor, the opposite charges will all navigate to the point that is closest to the charge and as a result, a strong attraction will be created.

This also applies to a strong conducting rod and therefore it is strongly attracted.

Read more about Electrostatics at; brainly.com/question/18108470

7 0
2 years ago
You climb to the top of a tall water tower and drop a water balloon. As it drops, the balloon is experiencing energy changes. Wh
inysia [295]

The balloon’s potential energy was transformed to kinetic energy as it drops.

Before the balloon was drop it possessed potential energy but at the moment the balloon was dropped the potential energy it possessed was transformed into kinetic energy.

<span>Hope this answer will be a good h<span>elp for you.</span></span>

4 0
3 years ago
Can someone please help me?
Luba_88 [7]

Answer:

1525 meters above ground

Explanation:

So to do this you will need to write this in slope intercept form or y=mx+b. So 650 would be the b, 175 would be the m, and the x would be 5 so the equation would be y=175(5)+650 so if you solve or simplify the equation you will get 1525 meters above the ground and that would be our final answer.

5 0
2 years ago
A one-piece cylinder has a core section protruding from the larger drum and is free to rotate around its central axis. A rope wr
11Alexandr11 [23.1K]

Answer:

The net torque is 0.4962 N m

Explanation:

please look at the solution in the attached Word file

Download docx
6 0
3 years ago
Read 2 more answers
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