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ziro4ka [17]
2 years ago
14

D. What is the net force on the bowling ball rolling lane

Physics
1 answer:
3241004551 [841]2 years ago
3 0

Answer:

Friction

Explanation:

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The pressure of air pushing down on a house roof is extremely large. Why is the roof not crushed?
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There is still air inside of a house, which is pushing the roof upwards, so the forces are equal and the roof is not crushed.
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3 years ago
Which of the following statements is correct?
Mumz [18]

Answer: c. Generally, metals are ductile.

Explanation:

From the options given in the question, the correct statement is that"Generally, metals are ductile.

Ductility of a metal simply means that a metal can be plastically deform before it is then fractured. It implies that metals can be drawn to thin wires. The only exception we have in this case is mercury.

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3 years ago
A 2.74 g coin, which has zero potential energy at the surface, is dropped into a 12.2 m well. After the coin comes to a stop in
VikaD [51]

Answer:

B. - 0.328

Explanation

Potential Energy:<em> This is the energy of a body due to position.</em>

<em>The S.I unit of potential energy is Joules (J).</em>

<em>It can be expressed mathematically as</em>

<em>Ep = mgh........................... Equation 1</em>

<em>Where Ep = potential energy, m = mass of the coin, h = height, g = acceleration due to gravity,</em>

<em>Given: m = 2.74 g = 0.00274 kg, h = 12.2 m, g = 9.8 m/s²</em>

Substituting these values into equation 1

Ep = 0.00274×12.2×9.8

Ep = 0.328 J.

Note: Since the potential energy at the surface is zero, the potential Energy with respect to the surface = -0.328 J

The right option is B. - 0.328

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3 years ago
In the early twentieth century, _______ redefined psychology as "the science of observable behavior."
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Explanation:

Answer :

A. John B. Watson

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Why are most objects not magnetic?
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Because there’s like no metal stuff idk
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