3 years ago

Can you tell Which body part does not help in the perception and production of sound in humans?

Physics

1 answer:

Korolek [52]3 years ago

6 0

Your lungs aren’t the ones that make the sound

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The angle of elevation to the top of the building at a distance of 50.0 m from its base is 60.0 degrees. find the height of the

Masteriza [31]

Answer:

86.6 meters

Explanation:

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3 years ago

A thin, 100 g disk with a diameter of 8.0 cm rotates about an axis through its center with 0.15 J of kinetic energy. What is the

butalik [34]

Answer:

v=2.45 m/s

Explanation:

The rotational kinetic energy is calculated with:

$K=\frac{I\omega^2}{2}$

The moment of inertia of a disk is:

$I=\frac{mr^2}{2}$

A point on the rim of a disk will have a speed of:

$v=r\omega$

Putting all together:

$v=r\sqrt{\frac{2K}{I}}=r\sqrt{\frac{2(2K)}{mr^2}}=2\sqrt{\frac{K}{m}}$

Which for our values is:

$v=2\sqrt{\frac{0.15J}{0.1Kg}}=2.45m/s$

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4 years ago

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If a net force acting on a moving object causes its speed to increase, what

Klio2033 [76]

Answer:

It increases.

Explanation:

If a force acts in the same direction as the object's motion, then the force speeds the object up. Either way, a force will change the velocity of an object. And if the velocity of the object is changed, then the momentum of the object is changed.

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3 years ago

Linda has a cup of coffee sitting in the cup holder in her car. She has to suddenly slam on her brakes and stop. The cup remaine

dybincka [34]

This would be Newton's first law, which states that an object at rest will stay at rest and an object in motion will remain in motion unless acted on by an unbalanced force. Hope this helped.

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4 years ago

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PLEASE HELP ASAP

otez555 [7]

Answer:

D: unconscious

Explanation:

Apex have a nice day :)

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4 years ago