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madreJ [45]
3 years ago
6

Which items are matter? Battery electricity mobile phone sound light heat

Physics
2 answers:
Margaret [11]3 years ago
8 0

Explanation:

Matter is defined as any object which occupies space and has volume.

A substance that is present in solid, liquid or gaseous state will be considered as a matter.

For example, a chair is a solid substance and hence it is a matter.

Whereas electricity is the flow of charges, sound, light and heat are all due to exchange of energy. Hence, they are not matter.

Thus, we can conclude that out of the given options battery and mobile phone are matter.

algol [13]3 years ago
4 0
BAttery mobile phone  
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Elena-2011 [213]

First we will find the speed of the ball just before it will hit the floor

so in order to find the speed of the cart we will first use energy conservation

KE_i + PE_i = KE_f + PE_f

\frac{1}{2}mv_i^2 + mgh = \frac{1}{2}mv_f^2 + 0

\frac{1}{2}(1.25)(52)^2 + 1.25(9.8)(225) = \frac{1}{2}(1.25)v_f^2

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v_f = 84.3 m/s

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6 0
3 years ago
Scientists use tables and graphs to chart and analyze _________.
MissTica

Explanation:

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3 years ago
When vibrational motion in an object increases, which is a true statement?
ss7ja [257]
Hello friend!!

We know that kinetic energy is the energy possessed due to the motion of the object. And we know if the object is in a fast motion then the temperature would be high, whereas if the object is slow in motion then it will have lower temperature. So we know that the kinetic energy is indirectly related to temperature.From our knowledge we can conclude that HIGHER THE TEMPERATURE, HIGHER THE KINETIC ENERGY and LOWER THE TEMPERATURE, LOWER THE KINETIC ENERGY.
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5 0
3 years ago
Please help soon!!!!
anyanavicka [17]
The Answer: Parallel
6 0
3 years ago
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Answer:

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6 0
3 years ago
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