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3 years ago

12

Energy resources that exist in limited amounts and, fonts used, cannot be replaced except over the course of millions of years a

re called _____________ energy resources.

1 answer:

kobusy [5.1K]3 years ago

5 0

Energy resources that cannot be replaced are called "non-renewable" energy resources.

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

Korolek [52]

Your lungs aren’t the ones that make the sound

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3 years ago

What is the equation that defines work

mina [271]

Work=force*displacment

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3 years ago

As the wavelength increases, the frequency (2 points) Select one:

LiRa [457]

A.
According to the equation: v=λ*f
λ stands for wavelength. wavelength increases, the frequency will decrease. lower frequency deserves low energy.

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3 years ago

A boat travels at 30 mph for a huge, solid cliff that is about 3,000 meters away. When the horn on the boat makes a toot, you ca

AleksandrR [38]

Answer:The frequency of the echo is slightly decreased

Explanation:

Given

speed of boat $=30\ mph$

cliff is $3000\ m$ away

when boat is still , suppose t is the time taken by the echo to reach observer on the boat

But as soon as boat starts moving the distance between cliff and boat decreasing and time for echo to reach observer also decreases

and we know $time \propto \frac{1}{frequency}$

therefore frequency of the echo slightly decreased.

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3 years ago

1 question, brainliest for whoever gets it right.

Kaylis [27]

Answer:

im pretty sure the answer is c please mark me brainliest

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2 years ago