3 years ago

Sound waves rely on matter to transmit their energy. They cannot ravel in a vacuum. True or false

Physics

2 answers:

UNO [17]3 years ago

8 0

Answer:

false

Explanation:

Tpy6a [65]3 years ago

3 0

<h2>Answer:</h2>

Hello,

<h3><u>QUESTION)</u></h3>

True,

Sound travels in a material medium, in space, there is no matter, so sound cannot propagate.

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The velocity of a passenger relative to a boat is -vpb. The velocity of the boat relative to the river it is moving on is vbr. T

RideAnS [48]

Answer:

vps = vbr + vrs - vpb

Explanation:

If the passenger were at rest, his speed relative to the shore will be identical to the boat's, as follows:
vps = vbr + vrs
As he is moving in a direction opposite to the boat's, his velocity relative to the shore must be less than if he were at rest, in the same quantity that he was moving opposite to the boat, as follows:
vps = vbr+ vrs -vpb

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3 years ago

when you place your feet near the fireplace and they become warm what type of energy conversion occurs

JulsSmile [24]

I think you forgot to give the options along with the question. I am answering the question based on my knowledge and research. "Radiant to thermal" is the type of energy conversion that occurs when <span>you place your feet near the fireplace and they become warm. I hope the answer has come to your great help.</span>

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4 years ago

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A 10,000kg space ship is orbiting the moon with a radius of 25km from the ship to the center of the moon. It's tangential speed

galina1969 [7]

Answer:

False

Explanation:

ac = v^2/r

acceleration is not dependent on the mass of the orbiting object.

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