gravitational Potential energy is given by
here we have
m = 200 kg
h = 21000 m
now we will have
so GPE of balloon will be 41160000 J above the given height from ground
Describe what happens to the electric field lines when two objects with unlike charges are brought near each other.
2 answers:
Answer:
- <u>Unlike Charges:</u>
The unlike charges attracts each other, as we can say that the two atoms or point charges which posses different properties attracts one another.
Explanation:
- <u>The electric field lines:</u>
The electric fields shows the direction, the nature, and the magnitude of the charges been placed there in a given space. As the field lines from the positive point charge(+) goes in the outward direction and the negative charges(-) has the field lines coming towards it or they are directed towards inside the test charge.
- As, the different charges interact lines when interact with one another, the lines become more curved and they slide over the two charges. Now, that is also due to the number of charges attracted toward each present on the surface of the two charges.
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<u>Answer:</u> The velocity of released alpha particle is
<u>Explanation:</u>
According to law of conservation of momentum, momentum can neither be created nor be destroyed until and unless, an external force is applied.
For a system:
where,
= Initial mass and velocity
= Final mass and velocity
We are given:
Putting values in above equation, we get:
Hence, the velocity of released alpha particle is