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Dmitrij [34]
3 years ago
9

A slingshot is used to shoot a small ball upward into the air; when the pouch is released, the sling propels the ball upward. as

suming no air resistance, as the ball is propelled upward, what kind of energy transformation is taking place
kinetic to gravitational potential

gravitational potential to kinetic

gravitational potential to chemical

chemical to kinetic
Physics
1 answer:
alexdok [17]3 years ago
4 0

Explanation:

kinetic to gravitational

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A person who weighs 509,45 N empties her lungs as much as
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Answer:

The weight of the girl = 1045.86 kg/m³

Explanation:

Density: This can be defined as the ratio of the mass of a body to the volume of that body. The S.I unit of density is kg/m³.

From Archimedes principle,

R.d = Density of the person/Density of water = Weight of the person in air/Upthrust.

⇒ D₁/D₂ = W/U............................... Equation 1.

Where D₁ = Density of the person, D₂ = Density of water, W = Weight of the person in air, U = Upthrust in water.

Making D₁ the subject of the equation,

D₁ = D₂(W/U)................................... Equation 2

<em>Given: D₂ = 1000 kg/m³ , W = 509.45 N, U = lost in weight = weight in air - weight in water = 509.45 - 22.34 = 487.11 N</em>

<em>Substituting these values into equation 2</em>

D₁ = 1000(509.45/487.11)

D₁ = 1045.86 kg/m³

Thus the weight of the girl = 1045.86 kg/m³

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7 0
3 years ago
The mini-refrigerator fire was most likely caused by what type of wiring?
Nimfa-mama [501]

Answer: The copper wiring most likely caused the mini-refrigerator fire.

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Therefore, the mini-refrigerator fire was most likely caused by copper wiring.

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Firdavs [7]

Answer:

Solids

Explanation:

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7 0
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