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Sholpan [36]
3 years ago
5

A ball thrown in the air will never go as far as physics ideally would predict because?

Physics
1 answer:
katrin2010 [14]3 years ago
6 0
Air resistance fefrgtdnjrcbrdg
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Which of the following is an example of the Doppler effect? A water bug on the surface of a pond is producing small ripples in t
noname [10]

Answer:

A police car with its siren on is driving towards you, and you perceive the pitch of the siren to increase.

Explanation:

In Physics, Doppler effect can be defined as the change in frequency of a wave with respect to an observer in motion and moving relative to the source of the wave.

Simply stated, Doppler effect is the change in wave frequency as a result of the relative motion existing between a wave source and its observer.

The term "Doppler effect" was named after an Austrian mathematician and physicist known as Christian Johann Doppler while studying the starlight in relation to the movement of stars.

<em>The phenomenon of Doppler effects is generally applicable to both sound and light. </em>

An example of the Doppler effect is a police car with its siren on is driving towards you, and you perceive the pitch of the siren to increase. This is so because when a sound object moves towards you, its sound waves frequency increases, thereby causing a higher pitch. However, if the sound object is moving away from the observer, it's sound waves frequency decreases and thus resulting in a lower pitch.

<em>Other fields were the Doppler effects are applied are; astronomy, flow management, vibration measurement, radars, satellite communications etc. </em>

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3 years ago
A testing instrument that's used to measure electrical signals in a circuit and display them as waveforms on a screen is called
disa [49]
A testing instrument that's used to measure electrical signals
in a circuit and display them as waveforms on a screen is called
an oscilloscope.

8 0
3 years ago
How would you find the average speed of a cyclist throughout an entire race
Fudgin [204]

Speed = distance / time
If you input your numbers into this equation you will be able to find the cyclists average speed
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3 years ago
A car stopped at a red light, not moving?
timofeeve [1]

I think it's a) 1st Newton's law... so sorry if it's wrong...

5 0
3 years ago
Two pine cones are falling from a pine tree. Both pine cones are falling at the same speed.
elena-14-01-66 [18.8K]

Answer:

Pine cone 2 does, the more mass an object has, the more kinetic energy is has.

Explanation:

Brainliest Please?

8 0
3 years ago
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