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Alika [10]
3 years ago
15

Why electric potential of earth is taken to be zero?

Physics
1 answer:
stiv31 [10]3 years ago
4 0
The ground is very large an small amount of electric charge wont affect it
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A steel ball bearing is released from a height H and
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Answer:

ELASTIC collision

kinetic energy is conservate

Explanation:

As the ball bounces to the same height, it can be stated that the impact with the floor is ELASTIC.

As the floor does not move the conservation of the moment

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            -mv1 = m v2

- v1 = v2

So the speed with which it descends is equal to the speed with which it rises

Therefore the kinetic energy of the ball before and after the collision is the same

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3 years ago
What is the relationship between dominant and recessive genes
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Dominant genes and recessive genes are both given to a parents offspring. However, not both can be expressed causing the difference of dominant and recessive. Dominant genes are more likely to be expressed and recessive genes are more likely to be repressed.
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3 years ago
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-3.2x10^-19C is formed 
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3 years ago
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How was Mendeleev's table different from Meyer's table? A. Mendeleev did not arrange according to chemical properties. B. Meyer
olya-2409 [2.1K]

Answer: C. Meyer did not leave gaps while Mendeleev did.

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