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KatRina [158]
3 years ago
11

Please I need help on this

Physics
1 answer:
Alexxandr [17]3 years ago
3 0
Number 4 I think
the atomic mass is 11 because the mass is the sum of protons and neutrons
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Suppose a sound wave and an electromagnetic wave have the same frequency. Which has the longer wavelength? 1. the electromagneti
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Answer:

1. the electromagnetic wave.

Explanation:

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wavelength = velocity ÷ frequency

A mechanical wave is a wave that is not capable of transmitting its energy through a vacuum. Mechanical waves require a medium in order to transport their energy from one location to another. A sound wave is an example of a mechanical wave. Sound waves are incapable of traveling through a vacuum.

Electromagnetic waves of different frequency are called by different names since they have different sources and effects on matter, increasing frequency decreases wavelength.

Sound waves (which obviously travel at the speed of sound) are much slower than electromagnetic waves (which travel at the speed of light.)  

Electromagnetic waves are much faster than sound waves and If the Velocity of the wave increases and the frequency is constant, the wavelength also increases.

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Which statement best summarizes the central idea of “Applications of Newton’s Laws”?
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Newton's three forces, normal, tension and friction, are present in a surprising number of physical situations

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Newton’s laws can explain the forces that occur between objects every day


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What happens whenever energy is transformed from one form to another?
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Answer:

Energy transformation is when energy changes from one form to another – like in a hydroelectric dam that transforms the kinetic energy of water into electrical energy. While energy can be transferred or transformed, the total amount of energy does not change – this is called energy conservation.

Explanation:

Hope This Helps!!

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