What is the difference between a mechanical wave and an electromagnetic wave? a mechanical wave travels through empty space, while an electromagnetic wave travels through matter. a mechanical wave has a short wavelength, while all electromagnetic waves have long wavelengths. a mechanical wave has a high frequency, while all electromagnetic waves have low frequencies. a mechanical wave travels through matter, while an electromagnetic wave travels through empty space.
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Physics, 22.06.2019 11:00
Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?
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Physics, 22.06.2019 17:00
What equation is used to calculate the weight of an object on a plant ?
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Physics, 23.06.2019 02:00
How is an electron dot structure used to represent a covalent bond?
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Physics, 23.06.2019 02:40
An air standard cycle with variable specific heats is executed in a closed system and is composed of the following four processes. 1-2 isentropic compression 100 kpa and 22Ā°c to 600 kpa 2-3 v=constant heat addition to 1500 k 3-4 isentropic expansion to 100 kpa 4-1 p=constant heat rejection to initial state (a) show the cycle on p-v and t-s s (b) calculate the net work output per unit mass (409 kj/kg) (c) determine the thermal efficiency (47.9%)
Answers: 1
What is the difference between a mechanical wave and an electromagnetic wave? a mechanical wave tra...
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