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MrRa [10]
3 years ago
14

What is the wavelength of a wave traveling at 300 m/s if the frequency is 10 Hz?

Physics
1 answer:
lions [1.4K]3 years ago
8 0

Answer:

30 m

Explanation:

The wavelength of a wave is found by the velocity divided by the frequency. Therefore, the wavelength is (300 m/s)/(10 Hz) = 30 m

I hope this helps! :)

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Billy is listening to a conversation through a solid 2 meter thick concrete wall. If it only takes .05 seconds for the conversat
Alex_Xolod [135]

Answer:

0.025 Meters a second, or 0.025 m/s

Explanation:

So, if we take the information that we know, 1) The wall is 2 meters thick, and 2) it took a total of 0.05 seconds to travel all the way. So, to get our answer, lets divide 0.05 by 2. That lands us with 0.025! This answer makes sense, because we know that sound travels quickest in solids, (Due to sound-waves  being a mechanical longitudinal wave, and solids have the densest particle formations, allowing the sound wave to travel swiftly compared to liquids and gases, in which the particles are more spread out.)

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Fuel is burned to heat water in a power plant what does the heated water then produce and what does that turn
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4 0
3 years ago
When a large star becomes a supernova, its core may be compressed so tightly that it becomes a neutron star, with a radius of ab
kobusy [5.1K]

Answer:

Speed,v=1.25\times 10^5\ m/s

Explanation:

Given that,

Radius of the neutron stare, R = 20 km = 20,000 m

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We need to find the speed of a particle on the star's equator. The total distance covered divided by total time taken is called speed of an object. Here,

v=\dfrac{2\pi R}{t}

v=\dfrac{2\pi \times 20000}{1}

v = 125663.70 m/s

or

v=1.25\times 10^5\ m/s

So, the speed of a particle on the star's equator is v=1.25\times 10^5\ m/s. Hence, this is the required solution.

3 0
3 years ago
The force of gravity on Mars is 0.38 times the gravity on Earth. The mass of an
Mnenie [13.5K]

Answer:

the answer is B

Explanation:

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3 0
3 years ago
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