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Vlada [557]
3 years ago
14

If a glass rod rubbed with Silk piece is taken to a ball pen rubeed with wool the ball pen_____​

Physics
1 answer:
WARRIOR [948]3 years ago
3 0

Answer:

The glass rod remains charged due to electrification by the silk

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An object is at rest on the ground. The object experiences a downward gravitational force from Earth. Which of the following pre
Montano1993 [528]

Answer:

A) and B) are correct.

Explanation:

If the object is at rest, it means that no net force is exerted on it.

As the object experiences a downward gravitational force from Earth, in order to be at rest, it must experience an upward force with the same magnitude as the gravitational force on the object.

This force is supplied by the normal force, which can adopt any value in order to meet the condition imposed by Newton´s 2nd Law, and is always perpendicular to the surface on which the object is placed (in this case, the ground).

At a molecular level, this normal force is supplied by the bonded molecules of the ground that behave like small springs being compressed by the molecules of the object, exerting an upward restoring force upward on them.

So, the statements A) and B) are true.

6 0
3 years ago
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The low-pressure area near Earth’s equator is filled by cool air moving in from ________. Btw this is science
bonufazy [111]

Answer:

the north and south pole

Explanation:

this should be the correct answer

5 0
2 years ago
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sattari [20]
On the Newtonian theory of gravity, gravitation affects anything with mass. Assuming that none of the answer choices is the only thing that exists in the universe, all of the answer choices are subject to the law of universal gravitation (hence “universal”).

Satellites, water, frogs, and stars all have mass as they are all composed of matter. Thus, all four answer choices should be circled.
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3 years ago
if you have an isotope of the element carbon (C) that has the mass number of 14, what other information would help you determine
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The number of protons
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14-6=8
4 0
3 years ago
On a roller coaster, riders can experience a force of up to 4 g. What is the maximum acceleration of the roller coaster?
yKpoI14uk [10]

m/s^2 is 39.2266

is the answer If thats what you needed


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