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Leto [7]
3 years ago
8

When the volleyball rises in the air, what does the force of gravity cause the volleyball to do

Physics
1 answer:
ziro4ka [17]3 years ago
6 0
The force of gravity causes it to fall to the ground
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Dale skis down a hill with a slope of 30°. Given that there is friction acting
Zarrin [17]

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The answer is A.

Explanation:

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amid [387]

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A

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Which variety of moth, C or Y, is more likely to be killed by insect eating birds?
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3 years ago
Sound with a frequency of 1250 Hz leaves a room through a doorway with a width of 1.05 m.At what minimum angle relative to the c
kiruha [24]

Answer:

15.19°, 31.61°, 51.84°

Explanation:

We need to fin the angle for m=1,2,3

We know that the expression for wavelenght is,

\lambda = \frac{c}{f}

Substituting,

\lambda = \frac{344}{1250}

\lambda = 0.2752m

Once we have the wavelenght we can find the angle by the equation of the single slit difraction,

sin\theta = \frac{m \lambda}{W}

Where,

W is the width

m is the integer

\lambda the wavelenght

Re-arrange the expression,

\theta = sin^{-1} \frac{m\lambda}{W}

For m=1,

\theta = sin^{-1} \frac{1 (0.2752)}{1.05}= 15.19\°

For m=2,

\theta = sin^{-1} \frac{2 (0.2752)}{1.05}= 31.61\°

For m=3,

\theta = sin^{-1} \frac{3 (0.2752)}{1.05}= 51.84\°

<em>The angle of diffraction is directly proportional to the size of the wavelength.</em>

5 0
2 years ago
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