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Anna35 [415]
2 years ago
13

A girls throws a rock horizontaly with velocity=10m/s from a bridge .It falls 45 m​

Physics
1 answer:
kherson [118]2 years ago
4 0

Answer:

the answer is 45 m plus 10

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The principle of alignment means that you use conventions of typography, layout, color, and other visual elements to make sure t
vitfil [10]

Answer: True

Explanation:

The principle of alignment means that conventions of typography such as; layout, color, and other visual elements should be used to make sure that readers easily access your most important content of a document. These cues call the attention of the readers to the most important sections of the document which you want them to really see.

7 0
3 years ago
If two point sources of light are being imaged by this telescope, what is the maximum wavelength λ at which the two can be resol
Mrrafil [7]

Answer:

The maximum wavelength is 492 nm.

Explanation:

Given that,

Angular separation \theta=3.0\times10^{-5}\ rad

Suppose a telescope with a small circular aperture of diameter 2.0 cm.

We need to calculate the maximum wavelength

Using formula of angular separation

\sin\theta=\dfrac{1.22\lambda}{d}

\lambda=\dfrac{d\sin\theta}{1.22}

Put the value into the formula

\lambda=\dfrac{2.0\times\sin(3\times10^{-5})}{1.22}

For small angle \sin\theta\approx\theta

\lambda=\dfrac{0.02\times3\times10^{-5}}{1.22}

\lambda=4.92\times10^{-7}\ m

\lambda=492\ nm

Hence, The maximum wavelength is 492 nm.

5 0
3 years ago
How is acceleration related to force when mass is constant, according to Newton's second law of motion?
kherson [118]

Answer:

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f = ma

a =  \frac{f}{m}

f = force

m = mass

a = acceleration

5 0
3 years ago
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transverse waves. ripples on water surface

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