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kifflom [539]
3 years ago
5

How many times does the light beam shown in FIGURE 26-59 reflect from (a) the top and (b) the bottom mirror?

Physics
1 answer:
Katarina [22]3 years ago
4 0

Answer:

5

Explanation:

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If the crate is moving along the floor in the same direction with a constant speed, it is in dynamic equilibrium. Equilibrium means there is no net force acting on the crate.

Since there is no net force on the crate, there must be a friction force on the crate equal in magnitude and opposite in direction to the applied horizontal force. Therefore the force of friction acting on the crate is 100N.

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A region of space in which a test charge experiences a force is referred to as
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Answer: The correct answer is- Field.

Explanation -

The modified space around a charged particle is known as electric field.

The strength of electric field at a point is calculated as the force experienced by a unit test charge present at that point.


Thus, a region of space in which a test charge experiences a force is referred to as Field.

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Which of the following is used to measure weight? Newtons Liters Kilograms Meters
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Newton’s is used to measure force.
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3 years ago
3. How did Kepler's work influence Newton?
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A particular spring has a spring constant of 25 N/m.
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Answer:

<h2>2.8×10^-3</h2>

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<u>0.0028125N</u><u> </u>

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