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Stells [14]
3 years ago
9

As the frequency of a wave decreases the wavelength

Physics
1 answer:
alexandr402 [8]3 years ago
3 0
As frequency decreases , the wavelength will increase !!

frequency= speed of light ÷ wavelength

( inverse relationship )
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Answer:

<em>The correct difference is 3.44 ft</em>

Explanation:

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A tennis player tosses a tennis ball straight up and then catches it after 1.64 s at the same height as the point of release.
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A. The acceleration of the ball while it is in flight?

magnitude is 0 m/s² (magnitude is zero)

B. The velocity of the ball when it reaches its maximum height is 0 m/s (magnitude is zero)

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D. The maximum height reached by the ball is 3.29 m

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Considering that the ball came to rest after 1.64s, it means the entire acceleration of the flight is zero as the ball was not moving in any form again.

<h3>B. How to determine the velocity at maximum height</h3>

At maximum height, the velocity of the ball is zero as it no longer has magnitude to keep going upwards. Hence the ball begins to ball down.

<h3>C. How to determine the initial velocity</h3>
  • Acceleration due to gravity (g) = 9.8 m/s²
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  • Time to reach maximum height (t) = T / 2 = 1.64 / 2 = 0.82 s
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v = u - gt (since the ball is going against gravity)

0 = u - (9.8 × 0.82)

0 = u - 8.036

Collect like terms

u = 0 + 8.036

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<h3>D. How to determine the maximum height reached by the ball</h3>
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h = ½ × 9.8 × 0.82²

h = 3.29 m

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Answer:

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