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Eva8 [605]
3 years ago
9

The majority of the elements on the periodic table are _______. A. gases B. nonmetals C. metals D. liquids

Physics
1 answer:
Paladinen [302]3 years ago
7 0

Option (C) is correct that the majority of the elements on the periodic table are metals.

#$# THANK YOU #$#

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Answer:

Studies show that eating fewer animal-based products could reduce water use since animal production uses more water than crops do. In addition, reducing the amount of food that's lost or wasted at various points in the food supply chain could feed about 1 billion extra people while simultaneously reducing water use.

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The dimension line is connected to the part being measured by _______________. A. Hidden lines B. Extension lines C. Visible lin
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Suppose a sound wave and an electromagnetic wave have the same frequency. Which has the longer wavelength? 1. the electromagneti
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1. the electromagnetic wave.

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3 years ago
A 5 kg box drops a distance of 10 m to the ground. If 70% of the initial potential energy goes into increasing the internal ener
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Answer:

Explanation:

From the given information:

The initial PE (PE)_i = m×g×h

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The change in Potential energy P.E of the box is:

ΔP.E = P.E_f -P.E_i

ΔP.E = 0 - (PE)_i

ΔP.E = -P.E_i

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this can be re-written as:

\Delta U =- (-\Delta P.E_i) - \Delta K.E

Here, K.E = 0

Also, 70% goes into raising the internal energy for the box;

Thus,

\Delta U =(70\%) \Delta P.E_i-0

\Delta U =(0.70) (490.5)

ΔU = 343.35  J

Thus, the magnitude of the increase is = 343.35 J

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