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OverLord2011 [107]
3 years ago
8

The velocity of waves in a ripple tank is 20 centimeters per second, and standing waves are produced with nodes spaced 3.0 centi

meters apart. what is the frequency of the wave generator?
Physics
1 answer:
Firlakuza [10]3 years ago
6 0
Velocity = wavelength x frequency
20=3f
f=20/3
f=6.667hz
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B
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The force needed to accelerate a 2500 kg car at a rate of 4m/s² will be  10,000 N.Option B is correct.

<h3>What is force?</h3>

Force is defined as the push or pull applied to the body. Sometimes it is used to change the shape, size, and direction of the body. Force is defined as the product of mass and acceleration. Its unit is Newton.

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