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lapo4ka [179]
3 years ago
5

What is the magnitude of the electric field at a point midway between a −5.0μC and a +5.8μC charge 8.4cm apart? Assume no other

charges are nearby.]
Physics
1 answer:
Alex73 [517]3 years ago
4 0

Answer:

Electric Field = E = 36.848 N/C

Explanation:

In accordance with Columb's law

E = k Q1 Q2 / r.r = 8.99 x 10^9 x 5.0 x 10^-6 x 5.8 x 10^-6 / 0.084 x 0.084

= 36948.6961 x 10^-3 = 36.848 N/C

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Mrac [35]

Answer:

\boxed{q = 1.2 \times  {10}^{ - 6} C}

Explanation:

f_e =   \frac{{q}^{2}k }{ {r}^{2} }  \\ q =  \sqrt{ \frac{f_e( {r}^{2} )}{k} }  =  \sqrt{ \frac{5.2(5 \times  {10}^{ - 2} )^{2} }{9 \times  {10}^{9} } }  \\ q =\sqrt{ \frac{5.2(5 \times  {10}^{ - 2} )^{2} }{9 \times  {10}^{9} } }  =  \sqrt{ \frac{0.013}{9 \times  {10}^{9} } }  \\ q = 1.2 \times  {10}^{ - 6}

3 0
2 years ago
The normal formula to find force is F = m* a. What kind of math do you need to do
Oduvanchick [21]
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3 0
3 years ago
What is the de broglie wavelength of an object with a mass of 3.80 kg moving at a speed of 1.90 m/s? (useful constant: h = 6.63×
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This is the formula you need to use

5 0
3 years ago
Can an object's average velocity equal zero when object's speed is greater than zero.
notsponge [240]
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2 years ago
Sonja is riding her bike. She takes her feet
lora16 [44]

Gravitational potential energy is converted into kinetic energy

Explanation:

There are two forms of energy involved in the situation described in the problem:

  • Gravitational potential energy: it is the energy possessed by a body due to its position in the gravitational field. Near the Earth surface, it is given by U=mgh, where m is the mass of the body, g is the acceleration of gravity, h is the height of the object from the ground
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In this problem, Sonja and the bike starts from the top of the hill and they ride downhill. As they go downhill, their altitude from the ground (h) decreases, so their gravitational potential energy decreases; at the same time, since the total energy is conserved (in absence of friction or air resistance), the speed of the bike and Sonja increases, and their kinetic energy increases. Therefore, there is a conversion of energy from gravitational potential to kinetic.

Learn more about kinetic and potential energy:

brainly.com/question/6536722

brainly.com/question/1198647

brainly.com/question/10770261

#LearnwithBrainly

4 0
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