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kaheart [24]
2 years ago
15

when a bucket full of water is pulled of from a well,in which condition: either inside or outside the water is it difficult to l

ift up and why?​
Physics
2 answers:
Alexeev081 [22]2 years ago
7 0
Upthrust due to water is greater than that of air. Upthrust exerted by water decreases weight of body. Hence, it is easier to pull a bucket of water from the well until it is inside the water but difficult when it is out of water.
julsineya [31]2 years ago
6 0

Answer:

Well there is gravitational force acting on the bucket ,gravitational force is a downward force so it will be acting on the bucket making it harder to lift it

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Answer:

C) 10 cm

Explanation:

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object distance u = 20 cm ( negative )

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1/ v + 1 /u = 1/ f

-1/12  - 1/ 20 =1/ f

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In the second case

u = - 30 cm

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A(n) ________ system is one in which energy moves freely in and out, but no matter enters or leaves the system.
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A CLOSED SYSTEM. In a closed system in which energy moves freely in and out, but no matter enters or leaves.
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yarga [219]

Answer:

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<u>Average Density </u>

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\displaystyle D=\frac{m}{V}

If we know the density and the volume occupied by the object, the mass can be computed as

m=D.V

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That's the volume of the gasoline it contains. Knowing the density of the gasoline, we get the mass of gasoline.

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The average density is

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7 0
3 years ago
How much time would it take for the sound of thunder to travel 1500 meters if sound travels at a speed of 330 m/s
Elis [28]

Data given:

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