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creativ13 [48]
2 years ago
15

How fast does a 500 Hz wave travel if its wavelength is 0.5 m?

Physics
2 answers:
olga_2 [115]2 years ago
4 0

Answer:

250 m/s

Explanation:

Anika [276]2 years ago
3 0

Answer:

250m/s

Explanation:

Frequency = velocity/wavelength

Then rearrange,

Velocity = frequency x wavelength

Velocity = 500 x 9.5 = 250m/s

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3 years ago
How long must a tow truck apply a force of 600 N to increase the speed of a 1,500 kg car at rest to 2 m/s?
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The time the truck must apply the given force to increase its speed to given value is 5 s.

The given parameters;

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The force applied to the truck is determined by Newton's second law of motion; <em>which states that the force applied to an object is directly proportional to the product of mass and acceleration of the object.</em>

F = ma

F = \frac{mv}{t} \\\\t = \frac{mv}{F} \\\\t = \frac{1500 \times 2}{600} \\\\t = 5 \ s

Thus, the time the truck must apply the given force to increase its speed to given value is 5 s.

Learn more here:brainly.com/question/1988795

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