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Levart [38]
3 years ago
15

All are examples of electromagnetic energy except ______.

Physics
2 answers:
kkurt [141]3 years ago
4 0
All are examples of electromagnetic energy except <span>circles forming when a rock drops into a pool. The correct option among all the options that are given in the question is the third option or option "C". The other choices can be negated. I hope that this is the answer that has actually come to your help.</span>
yulyashka [42]3 years ago
3 0

Answer:

Circles forming when a rock drops into a pool.

Explanation:

Dispersion of light forming rainbow and X-ray usage are the examples of electromagnetic energy.

But when a  rock drops into a pool it has some energy due to gravity. When it hits the surface of water it tries to penetrate through water thus removing certain amount of water from that place. As the energy moves away, it forms ripples ( waves).

Thus formation of circles by dropping a rock into pool is an example of mechanical energy, not electromagnetic energy.

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3 years ago
What is the force of gravity between two 50.0kg masses that are separated by 0.300m?3.71x10-8N5.59x10-7N2.78x104N1.85x10-6N
Varvara68 [4.7K]

We will have the following:

\begin{gathered} F=G\frac{m_1m_2}{r^2}\Rightarrow F=\frac{(6.67\ast10^{-11}m^3\ast kg^{-1}\ast s^{-2})(50kg)(50kg)}{(0.3m)^2} \\  \\ \Rightarrow F=1.852777778...\ast10^{-6}N\Rightarrow F\approx1.85\ast10^{-6}N \end{gathered}

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7 0
1 year ago
The core of a star must be at temperature of _____ degrees Celsius for hydrogen fusion to take place. 10,000 100,000 1,000,000 1
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Marvin Martian is standing on planet Potatoine.
prisoha [69]

Answer:

W = 113.98 N

Explanation:

Given that,

Radius of PotatoineR=6.4\times 10^6\ m

Mass of Potatoine, M=2\times 10^{24}\ kg

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We need to find his weight on Potatoine. Weight of an object is given by :

W = mg

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So,

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So, his weight on Potatoine is 113.98 N.

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