3 years ago

What do Babys Come From

Physics

1 answer:

arlik [135]3 years ago

5 0

Answer:

Mother

Explanation:

Is this actual question

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A human hair is approximately 50 pm in diameter. Express this diameter in meters.

cupoosta [38]

A human hair is approximately 50 μm = 5 × 10⁻⁵ m in diameter

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2 years ago

Two auto technicians are discussing the stages of engine operation. Auto Technician A says during the intake stage of engine ope

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2 years ago

The siren on an ambulance emits a sound of frequency 2.80×103Hz. If the ambulance is traveling at 26.0 m/s (93.6 km/h or 58.2 mi

Norma-Jean [14]

To solve this problem it is necessary to apply the concepts related to the described wavelength through frequency and speed. Mathematically it can be expressed as:

$\lambda = \frac{v}{f}$

Where,

$\lambda =$ Wavelength

f = Frequency

v = Velocity

Our values are given as,

$f = 2.8*10^3Hz$

$v = 340m/s \rightarrow$ Speed of sound

Keep in mind that we do not use the travel speed of the ambulance because we are in front of it. In case it approached or moved away we should use the concepts related to the Doppler effect:

Replacing we have,

$\lambda = \frac{340}{2.8*10^3}$