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sveta [45]
3 years ago
15

Which statements accurately describe the motion map?

Physics
2 answers:
ahrayia [7]3 years ago
3 0

Answer: B & D

Explanation:

Naddika [18.5K]3 years ago
3 0

B AND D YOUR WELCOME CUZ

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Which of the following statements is false?
vladimir1956 [14]

An excited atom can return to its ground state by absorbing electromagnetic radiation is false about the electromagnetic radiation.

Option B

<u>Explanation</u>:

In the scope of modern quantum theory, the term Electromagnetic radiation is identified as the movement of photons through space. Almost all the sources of energy that we utilize today such as coal, oil, etc are a product of electromagnetic radiation which was absorbed from the sun millions of years ago.

Various properties of electromagnetic radiations are a directly proportional relationship between the energy and the frequency, Inverse proportionality between frequency and the wavelength, etc. Hence, we can conclude that an "excited atom" can never return to its ground state by assimilating electromagnetic radiation and the 2nd statement is false.

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3 years ago
What type of wave is sound?<br> light<br> pressure<br> electromagnetic<br> gamma
JulijaS [17]
Nu its pressure, just did this rn, 8th grade how the ear works physical science test
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What will happen two temperatures if you increase particle motion
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If the temperature is increased the particles gain more kinetic energy or vibrate faster. This means that they move faster and take more space.

8 0
3 years ago
3) A dock worker pushes a 72 kg crate up a 2.0 m high,
Vlad [161]

Work done on the crate is 1411.2 J

Explanation:

Work done is defined as the product of force and the distance moved by the object. The unit of work done is in joules and denoted by the symbol J.

                                     Work done = F * d

where F represents the force and d represents the distance moved by the object.

mass = 72 kg , distance moved by the object is given by 2.0 m

Force F = mass * gravity = 72 * 9.8

             = 705.6 N =706 N.

Work done = 706 * 2.0 = 1412 J.

                   

7 0
3 years ago
A track is mounted on a large wheel that is free to turn with negligible friction about a vertical axis (Fig. 11-48).A toy train
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Answer:

0.166 rad/s

Explanation:

See attachment for calculations

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3 years ago
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