1 year ago

_____ is a device

Physics

1 answer:

erastovalidia [21]1 year ago

8 0

Answer:

transformers

Explanation:

A transformer is a device that increases or decreases voltage.

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The first person to map the Milky Way Galaxy using radio waves was

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A certain type of laser emits light that has a frequency of 4.2 × 1014 Hz. The light, however, occurs as a series of short pulse

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Explanation:

It is given that,

Frequency of the laser light, $f=4.2\times 10^{14}\ Hz$

Time, $t=3.2\times 10^{-11}\ s$

(a) Let $\lambda$ is the wavelength of this light. It can be calculated as :

$\lambda=\dfrac{c}{f}$

$\lambda=\dfrac{3\times 10^8}{4.2\times 10^{14}}$

$\lambda=7.14\times 10^{-7}\ m$

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(b) Let n is the number of the wavelengths in one pulse. It can be calculated as :

$n=f\times t$

$n=4.2\times 10^{14}\times 3.2\times 10^{-11}$

n = 13440

Hence, this is the required solution.

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2 years ago

During chemistry class, Carl performed several lab tests on two white solids. The results of three tests are seen in the data ta

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Answer: it’s c) ionic

Explanation:

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A car travels along a highway with a velocity of 24 m/s, west. The car exits the highway; and 4.0 s later, its instantaneous vel

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Answer:

$4.25 m/s^{2}$

Explanation:

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3 years ago

Determine the 3 standing waves for a 4 m length of rope.

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Harmonics, Loop and Harmonic number

Hope this helps :)

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