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Ilya [14]
2 years ago
13

How do objects at rest and in motion respond in the presence of an external, unbalanced force?

Physics
1 answer:
koban [17]2 years ago
5 0

Explanation:

Objects at rest and in motion respond to the presence of an external unbalanced force by simple changing their magnitude of motion or position.

We have this knowledge from Newtons first law of motion "a body will remain in a state of rest or continue with uniform motion unless if it is acted upon by an external force".

  • When an external force acts on a body at rest, it will change the position of the body or set it motion.
  • For a body in motion, an external force can make they come to rest or change the motion of the body
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In Einstein’s analysis, a photon striking the surface of a conductor is absorbed by an electron. Which statement describes the s
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Answer:

the correct answer is A

Explanation:

In an Einstein-type analysis, the photon is absorbed, it loses all its energy, therefore the electron must receive all or none of the energy of the incident photon. In a type of inelastic shock.

Let's analyze the different answers

A) true. In photon it is completely absorbed or passes without interaction

B) False. The photon must change energy, but in this case there is no absorption of the photon

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Therefore the correct answer is A

7 0
2 years ago
Take another look at lines 2 and 3. Suppose you use distance and time between any pair of neighboring dots to calculate speed:
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Answer:

Add the two speeds together.

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8 0
3 years ago
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What is the main promblem with survey research?
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Answer:

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Explanation:

<em><u>DISADVANTAGES</u></em>

Respondents may not feel encouraged to provide accurate, honest answers.

Respondents may not feel comfortable providing answers that present themselves in a unfavorable manner.

Respondents may not be fully aware of their reasons for any given answer because of lack of memory on the subject, or even boredom.

HAVE A GOOD DAY!

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3 years ago
Water _____.
Mice21 [21]
Water expands when it freezes (that's why you should never put closed, fully filled water bottles in the freezer !)

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How many meters are in 45 centimeters?
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Explanation:

100 CM = 1 m

45 CM = 45 / 100 = 0.45 m

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