3 years ago

Is "Noble gas" A compound or an element? I'm confused :/

Physics

2 answers:

madam [21]3 years ago

6 0

Compound is a noble gas

vlabodo [156]3 years ago

4 0

Noble gas is a compound.

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If two bodies weighing 10 kg and 20 kg respectively are standing at the

kvv77 [185]

Answer:

potential energy = mgh , where m is mass of body , g is acceleration due to gravity and h is given height

since both of the body are at same height above the ground , so the body having greater mass will have more potential energy

that is 20 kg body will have higher P.E

Explanation:

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4 years ago

When energy is transformed or changed from one form into another, some of the energy will be lost to the environment as?

sasho [114]

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3 years ago

Explain how there can be more heat energy in an iceberg than in a pot of boiling water

insens350 [35]

The tension of cold icebergs rubbing creates heat and it can also be how large the quantity is

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4 years ago

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An action force is equal in _____ and opposite in _____ to a reaction force. A. power; direction B. direction; power C. directio

butalik [34]

The correct answer is D. magnitude; direction

We know this thanks to Newton's 3rd law

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4 years ago

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If two charged objects in a laboratory are brought to a distance of 0.22 meters away from each other. What is

zysi [14]

Answer:

$q_2=2.47\times 10^{-4}\ C$

Explanation:

The charge on one object, $q_1=9.9\times 10^{-5}\ C$

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Let q₂ is the charge on the other sphere. The electrostatic force between two charges is given by the formula as follows :

$F=\dfrac{kq_1q_2}{r^2}\\\\q_2=\dfrac{Fr^2}{kq_1}\\\\q_2=\dfrac{4550\times (0.22) ^2}{9\times 10^9\times 9.9\times 10^{-5}}\\\\q_2=2.47\times 10^{-4}\ C$

So, the charge on the other sphere is $2.47\times 10^{-4}\ C$ .

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3 years ago