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jek_recluse [69]
3 years ago
13

If the faster stone takes 12.0 s to return to the ground, how long will it take the slower stone to return?

Physics
1 answer:
iren [92.7K]3 years ago
5 0
Same speed, because mass is neglected. The things that affect the speed are the distance and speed of the rock.
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What information could you gather about a star if its light curve had multiple
yanalaym [24]

The information that could be gathered about a star whose light curve has multiple symmetrical depths is ; The shape and surface variegation of the star

The light curves of a KBO ( moons and stars ) are measured as a rate of the brightness of a star in relation to time. therefore the study of the light curve having multiple symmetrical depths ( depth of brightness ) will give an information about the shape/size and the surface variegation of the star

Hence we can conclude that The information that could be gathered about a star whose light curve has multiple symmetrical depths is ; The shape and surface variegation of the star

Learn more : brainly.com/question/19573734

7 0
2 years ago
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In an atomic model that includes a nucleus, negative charge is
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D). located out side the nucleus
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3 years ago
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Attenuation is the correct answer. 
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A stationary siren emits sound of frequency 1000 Hz and wavelength 0.343 m. An observer who is moving toward the siren will meas
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Answer:

f>1000Hz and wavelength=0.343 m

Explanation:

We are given that

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When a observer is moving towards the siren then the frequency increases.

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But we are given that siren is stationary.

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4 0
3 years ago
A volleyball is dropped from a cliff and a soccer ball is thrown upward from the same position. When each ball reaches the groun
vredina [299]
The question is whether the statement is true or false.

The answer if false.

Explanation:

It is exactly the opposite. The soccer ball will hit the ground with greater velocity.

Since the soccer ball is thrown upward, when it returns to the same heigth from which it was throwm it will have a velocity downward, which will make that the soocer ball reaches the ground at the bottom of the clif with greater velocity than the volleball.

The greater the velocity with which the soccer ball is thrown upward, the greater its velocity when reaches the same point from which it was thrown, and the greater the velocity with which it will hit the ground at the bottom of the clif.
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3 years ago
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