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Leto [7]
3 years ago
5

calculate the force required to take away a flat corcular plate of radius 0.01m from the surface of water. the surface tention o

f water is 0.075N/m.​
Physics
1 answer:
leonid [27]3 years ago
8 0

Answer:

Force = 0.0047175\ N

Explanation:

Given

T = 0.075N/m --- Surface Tension

r = 0.01m --- Radius

Required

Determine the required force

First, we calculate the circumference (C) of the circular plate

C= 2\pi r

C= 2 * \frac{22}{7} * 0.01m

C= \frac{2 * 22 * 0.01}{7}m

C= \frac{0.44}{7}m

C= 0.0629 m

The applied force is then calculated using;

Force = C * T

Force = 0.0629m * 0.075N/m

Force = 0.0047175\ N

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4 0
2 years ago
According to Coulomb's law, what happens to the attraction of two oppositely charged objects as their distance of separation inc
NARA [144]

Answer:

Option B. Decreases

Explanation:

Coulomb's law states that:

F = Kq₁q₂ / r²

Where:

F => is the force of attraction between two charges

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From the formula:

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This implies that as the distance between them increase, the force of attraction between the two charges will decrease and as the distance between two charges decrease, the force of attraction between them will increase.

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Option B gives the right answer to the question.

7 0
3 years ago
If you increase the voltage what will the current do
o-na [289]

Answer:

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8 0
3 years ago
The last page of a book is numbered 764. The book is 3.0 cm thick, not including its covers. What is the average thickness (in c
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Answer:

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3 years ago
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4 0
3 years ago
Read 2 more answers
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