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aev [14]
3 years ago
14

How is specific gravity or density used in identifying​ minerals

Physics
1 answer:
Elena L [17]3 years ago
7 0
<span>In summary, density and specific gravity are properties used to help identify minerals. Density is a measure of the mass of a certain volume of the sample. Specific gravity is a unitless measure, and it is the ratio of the mass of a substance to the mass of an equal volume of water.</span>
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A 7.94-nC charge is located 1.77 m from a 4.14-nC point charge. (a) Find the magnitude of the electrostatic force that one charg
STatiana [176]

Answer:

F=94.32*10⁻⁹N  , The force F is repusilve because both charges have the same sign (+)

Explanation:

Two point charges (q₁, q₂) separated by a distance (d) exert a mutual force (F) whose magnitude is determined by the following formula:  

F=K*q₁*q₂/d² Formula (1)  

F: Electric force in Newtons (N)

K : Coulomb constant in N*m²/C²

q₁,q₂:Charges in Coulombs (C)  

d: distance between the charges in meters(m)

Equivalence  

1nC= 10⁻⁹C

Data

K=8.99x10⁹N*m²/C²

q₁ = 7.94-nC= 7.94*10⁻⁹C

q₂= 4.14-nC=  4.14 *10⁻⁹C

d= 1.77 m

Magnitude of the electrostatic force that one charge exerts on the other

We apply formula (1):

F=8.99x10^{9} *\frac{7.94*10^{-9} *4.14 *10^{-9} }{1.77^{2} }

F=94.32*10⁻⁹N  , The force F is repusilve because both charges have the same sign (+)

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3 years ago
Two people are pushing a car to the right. The mass of the car is 1000.0 kg. One person applies a force of 275 N to the car, whi
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Explanation:

Below is an attachment containing the solution.

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2 years ago
Is sound faster than the speed of light ?​
IRISSAK [1]

False..................

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In space, there is no friction. Without the force of friction, satellites and other moving objects will continue moving at the s
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Answer:

Newton's first law

Explanation:

it says that an object will continue to be at rest or keep moving till any external for is applied to it to make it move or stop respectively.

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20points, ill give brainliest. Its important pls
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1.022 km/s
Hope this helps~~~~~~~~
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