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Vlad1618 [11]
2 years ago
9

Question 3 of 10

Physics
1 answer:
Mazyrski [523]2 years ago
3 0

Answer:

B . energy cannot be created or destroyed

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The density of atmosphere on a certain planet is found to decrease as altitude increases what is the type of relationship betwee
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If an object suspended by a scale shows a weight of 3 N in air, and 2 N when submerged in water, the buoyant force on the submer
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Answer:

1 N

Explanation:

Buoyant Force: This is also called upthrust, It can be defined as the force which act upward exerted by a fluid when an object is placed in it.

The S.I unit is Newton.

From the question,

Buoyant force = Weight of the object in air- weight of the object when submerged in water.

U = W-W'.......................... Equation 1

Where U = upthrust, W = weight in air, W' = weight when submerged in water.

Given: W = 3 N, W' = 2 N

Substitute into equation 1

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3 years ago
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Norma-Jean [14]

Answer:

It can be seen from the operation of pin-hole camera, formation of shadows and eclipse.

Explanation:

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One this evidence can be seen from the operation of pin-hole camera, which depends on rectilinear propagation of light

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2 years ago
Plz do all plz i will give brainest and thanks to best answer do it right
lara31 [8.8K]

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I'm not really sure but I think it's choice a

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