2 years ago

FOR BRAINLIEST! Someone draw me a Rube Goldberg Machine.

Physics

1 answer:

tatyana61 [14]2 years ago

8 0

This ain’t mine but here is someone else’s

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Which of the graphs describes the motion of a person who first rode her bicycle at constant speed and then rested?

sergeinik [125]

Answer:

Its graph 1

Explanation:

She started at the origin and kept riding her bike until she stopped which causes the line to go staright because she's not moving.

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2 years ago

________ In many cartoon shows, a character runs off a cliff, realizes his predicament, and lets out a scream. He continues to s

IrinaVladis [17]

Answer:

Here the source is moving away from the observer so frequency will be smaller than the actual frequency and since the speed is increasing so the frequency is decreasing with time so correct answer is

D) lower than the original pitch and decreasing as he falls.

Explanation:

As we know by the Doppler's effect of sound we have

so we will have

$f = f_o(\frac{v}{v + v_s})$

so here when source moves away from the observer with a some speed then the frequency of the sound observed by the observer is smaller than the actual frequency

Here we know that the speed of the source is increasing with time as the source is falling under gravity

So we can say that the pitch of the sound will decrease with time

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3 years ago

QUESTION 9

Alik [6]

Answer:

The answer is option a.

Hope this helps

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3 years ago

What is it called when sediment is dropped and comes to rest?

rosijanka [135]

It's called deposition.

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2 years ago

How would the plane strain fracture toughness of a metal be expected to change with rising temperature?

aksik [14]

Answer:

Increase

Explanation:

The plane strain fracture toughness of a metal is expected to increase with rising temperature.

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3 years ago