3 years ago

Why don't we feel pressure exerted by atmosphere?

1 answer:

ozzi3 years ago

6 0

Crushing pressure. Human bodies are used to air pressure. The air pressure in our lungs, ears and stomachs is the same as the air pressure outside of our bodies, which ensures that we don't get crushed. Our bodies are also flexible enough to cope when the internal and external pressures aren't exactly the same.

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Two 8.0 Ω lightbulbs are connected in a 12 V parallel circuit. What is the power of both glowing bulbs?

kati45 [8]

Answer:

96w

Explanation:

p=Iv..where v=12 and I=8.0

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2 years ago

A magnifying glass or a hand lens is a bi-convex lens. It is convex on both sides, meaning that the glass is curved outward to

tankabanditka [31]

Answer:

Refracted

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3 years ago

640 nanometer setara dengan

lidiya [134]

Answer:

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2 years ago

A piano tuner is using a 392 Hz tuning fork to tune the wire for a G-Natural note. She hears 4 beats per second. What are the tw

inysia [295]

A beat is an interference pattern between two sounds of slightly different frequencies, perceived as a periodic variation in volume whose rate is the difference of the two frequencies. Frequency beat is equal to,

$f_{beat} =| f_2\pm f_1 |$

The reference frequency in our case would be 392Hz, and since there is the possibility of the upper and lower range for the amount of beats per second that the two possible frequencies are heard would be

$f_{beat} =|392+4|= 396Hz$

$f_{beat} =|392-4|=388Hz$

Therefore the two possible frequencies the piano wire is vibrating at, would be 396Hz and 388Hz

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2 years ago

Whenever a net force acts on an object, there is a change in the objects ____

maw [93]

Velocity. Net force causes acceleration and acceleration causes a change in direction and/or magnitude of velocity

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2 years ago