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Aleks [24]
3 years ago
9

What is the difference in the pitch when you are in front of the car compared to behind the car?

Physics
1 answer:
IceJOKER [234]3 years ago
7 0

Answer:The Doppler effect is a change in the frequency of sound waves that occurs when the source of the sound waves is moving relative to a stationary listener.

As the source of sound waves approaches a listener, the sound waves get closer together, increasing their frequency and the pitch of the sound. The opposite happens when the source of sound waves moves away from the listener.

Explanation:

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A bodybuilder loads a bar with 550 Newtons (~125 pounds) of weight and pushes the bar over her head 10 times. Each time she lift
mafiozo [28]

Work = (force) x (distance)

Each time she lifts the weight, she does

          (550 N) x (0.5 m) = 275 joules of work against gravity.

Each time she lets the bar down gently, gravity does

          (550 N) x (0.5 m) = 275 joules of work against her muscles. 

If the human physical muscular system were 100% efficient, and capable
of absorbing work as well as spending it, then the bodybuilder would do
exactly zero work in the process of 1-up followed by 1-down.


3 0
3 years ago
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A cup of coffee sits on the dashboard of an automobile. Even though you hold the cup still, as the car goes around a sharp curve
jasenka [17]
This would be Newton’s first law :)
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3 years ago
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A 6 kg block is sliding down a horizontal frictionless surface with a constant speed of 5 m/s. It then slides down a frictionles
BARSIC [14]

Answer:

5in

Explanation:

4 0
3 years ago
Abishek is a runner. He runs the 100 m sprint
konstantin123 [22]

Answer:

1.67m/s

Explanation:

Total Distance to be travelled by a Runner=100m

Time Taken=10*6s

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Why did the Founding Fathers want to include a bill of rights in the U.S.
sergey [27]

Answer:

Its A

Explanation:

Thats because federalists wanted to take away rights. But the fathers wanted to definitely ensure that each person had equal rights and liberty.

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