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Annette [7]
3 years ago
9

Atoms tend to be stable and nonreactive if they have six valence electrons.

Physics
1 answer:
Ludmilka [50]3 years ago
4 0

Answer:

True

Explanation:

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A sound wave travels through water. What best describes the direction of the water particles?
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In water, the particles are much closer together, and they can quickly transmit vibration energy from one particle to the next.

A water wave is an example of a transverse wave. As water particles move up and down, the water wave itself appears to move to the right or left.

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Is the voltage of two identical lamps the same?​
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It depends if they have the same lightbulb in them.

Explanation:

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Two identical small charged spheres hang in equilibrium with equal masses (0.02kg). The length of the strings is equal (0.18m) a
Yuliya22 [10]

Answer:

The value is q = 3.4 *10^{-6} \ C

Explanation:

From the question we are told that

    The mass of each sphere is m_1 = m_2  = m  =  0.020 \ kg

     The length of the string is  l = 0.18 \  m

     The angle of with the vertical is \theta  =  7^o

      The acceleration due to gravity is g = 9.8 \ m/s^2

Generally the force acting between the forces is mathematically represented as

       F  =  T cos \theta =  \frac{k*  q^2}{ r^2}

=>     T cos \theta =  \frac{k*  q^2}{ r^2}

Generally from Pythagoras theorem the radius of the circular curve created by the force is

         r = 2 L sin (\theta )

=>      r = 2* 0.180 sin (7)

=>      r = 0.043 \ m  

=>     q = tan \theta * \frac{m * g * r^2 }{k}

=>      q = tan(7)* \frac{ 0.02 * 9.8 * 0.043^2 }{9*10^{9}}

=>      q = 3.4 *10^{-6} \ C

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3 years ago
Does centripetal force change in uniform circular motion?
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It depends on how fast you are going and in orincipal no
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The gravitational force between two objects depends on the masses and what factor between them
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Mass and distance

If mass is doubled, the force of gravity between the objects is doubled
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