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faltersainse [42]
3 years ago
14

How far does a wave travel in three cycles?

Physics
1 answer:
eduard3 years ago
6 0
It will be 3 wavelengths because 1 cycle = 1 wavelength. 
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in a human cannonball a person is shot from a cannon with a barrel that is 3.05 m long. 16700 J of work are done to accelerate t
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1. Potential energy and a roller coaster. A 1000-kg roller coaster car moves from point A to B then C.
zalisa [80]

Answer:(a) With our choice for the zero level for potential energy of the car-Earth system when the car is at point B ,

          U

B

​

=0

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A

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=mgy

where y is the vertical height above zero level. With 135ft=41.1m, this height is found as:

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0

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U

A

​

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2

)(26.4m)=2.59∗10

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The change in potential energy of the car-Earth system as the car moves from A to B is

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B

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A

​

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5

J

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A

​

=0. The potential energy of the system when the car is at point B is given by U

B

​

=mgy, where y is the vertical distance of point B below point A. In part (a), we found the magnitude of this distance to be 26.5m. Because this distance is now below the zero reference level, it is a negative number.

Thus,

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2 years ago
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