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madam [21]
3 years ago
9

If sound travels at 5600 m/s through a steel rod,what is the wavelength,given a wave frequency of 2480 Hz

Physics
1 answer:
Feliz [49]3 years ago
6 0

Answer:

wavelength = 5600/2480= 2.25m

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A box is pulled with a horizontal force of 500N and moves 5m what is work done
dalvyx [7]
The answer to the question is shown below:

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Work done = Force x distance
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3 years ago
Arocket with an initial velocity of 20 m/s another engine that gives it an acceleration of 4 m/s ^ 2 over 10 secondsHow far did
ExtremeBDS [4]

Answer:

50m

   

Explanation:

Given parameters:

Initial velocity  = 20m/s

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Solution:

To solve this problem use the expression below;

   

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v is the final velocity

u is the initial velocity

a is the acceleration

s is the distance

  final velocity = 0

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3 0
2 years ago
What kind of friction is occurring between a pencil and desktop when you flick the pencil?
DanielleElmas [232]
The third one sliding friction
Explanation:
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