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Usimov [2.4K]
3 years ago
8

What is true for two pieces of iron at the same temperature?

Physics
2 answers:
sashaice [31]3 years ago
4 0

Answer:

D) the average kinetic energy of their particles is the same

Explanation:

i took the quiz

Lubov Fominskaja [6]3 years ago
3 0
D.the average kinetic energy of their particles is the same
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What test may be used to determine if a stain is blood or not
AveGali [126]
<span>Kastle-Meyer Color Test is used to determine if a stain is blood or not.

As of I believe</span>
6 0
3 years ago
Explain how two dangerous elements can form a compound that is edible
blsea [12.9K]

Two dangerous elements can form a compound that is edible known as "NaCl salt".

<u>Explanation:</u>

Sodium and chlorine are two very dangerous elements. As the reaction between sodium and water is extremely violent and chlorine is a very toxic gas. But combination of these elements result into a harmless product with unique properties like it is edible and dissolves without exploding in water.

In sodium chloride reaction the atoms of sodium interact with chlorine atoms. Sodium will donate an electron (by becoming positively charged) to acceptor chlorine (which become negatively charged) as given in following reaction

N a+C l_{2} \rightarrow N a C l

As sodium and chlorine are  very keen to achieve noble gas configuration by completing an octet on donating and accepting an electron respectively.

7 0
4 years ago
Convert 1.5 radian into milliradians.
Alex

Answer:

1500 milliradians

Explanation:

Data provided in the question:

1.5 radians

Now,

1 radians consists of  1000 milliradians

1 milli = 1000

thus for the 1.5 radians, we have

1.5 radians = 1.5 multiplied by 1000 milliradians

or

1.5 radians = 1500 milliradians

Hence, after the conversion

1.5 radians equals to the value 1500 milliradians

4 0
3 years ago
Two cars are driving towards each other in a straight line. Car A is 1400 kg and driving at
Alex787 [66]

The final momentum of the system would be 6680 Kg m/s

<h3>What is momentum?</h3>

It can be defined as the product of the mass and the speed of the particle, it represents the combined effect of mass and the speed of any particle, and the momentum of any particle is expressed in Kg m/s unit.

Mathematically the formula of the momentum is

P = mv

Two cars are driving toward each other in a straight line. Car A is 1400 kg and driving at 11 m/s. Car B is 1090 kg and driving at 8 m/s. If the two cars collide inelastically, As we know that the momentum of a system is conserved during the collision

initial momentum = final momentum

the initial momentum of the system = 1400 ×11 + 1090×(-8)

                                                           = 6680 Kg m/s

The final momentum of the system =  6680 Kg m/s

Thus,The final momentum of the system would be 6680 Kg m/s

Learn more about momentum from here

brainly.com/question/17662202

#SPJ1

7 0
2 years ago
Two protons are 9.261 fm apart. (1 fm= 1 femtometer = 1 x 10^-15 m.) What is the ratio of the electric force to the gravitationa
Strike441 [17]

Answer:

1.24\times 10^{36}

Explanation:

q = magnitude of charge on each proton = 1.6 x 10⁻¹⁹ C

m = mass of each proton = 1.67 x 10⁻²⁷ kg

r = distance between the two protons = 1 x 10⁻¹⁵ m

Electric force between the two protons is given as

F_{e} = \frac{kq^{2}}{r^{2}}

F_{e} = \frac{(9\times 10^{9})(1.6\times 10^{-19})^{2}}{(1\times 10^{-15})^{2}}

F_{e} = 230.4 N

Gravitational force between the two protons is given as

F_{g} = \frac{Gm^{2}}{r^{2}}

F_{g} = \frac{(6.67\times 10^{-11})(1.67\times 10^{-27})^{2}}{(1\times 10^{-15})^{2}}

F_{g} = 1.86\times 10^{-34} N

Ratio is given as

Ratio =\frac{F_{e}}{F_{g}}

Ratio =\frac{230.4}{1.86\times 10^{-34}}

Ratio = 1.24\times 10^{36}

3 0
3 years ago
Read 2 more answers
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