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Natali [406]
3 years ago
7

Two very small charged particles exert an electrostatic force F on each other. If the distance between them is doubled, the forc

e
between them is

A. Doubled
B. halved
C. Quadrupled
D. Quartered
Physics
1 answer:
Solnce55 [7]3 years ago
4 0

Answer:

The answer is D

Explanation:

Your welcome

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2 ways in which the effects of friction can be minimised in the experiment​
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Explanation:

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What occurs when an unstable atomic nucleus changes into other nuclei by emitting particles and energy
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You pull a solid nickel ball with a density of 8.91 g/cm3 and a radius of 1.40 cm upward through a fluid at a constant speed of
Sunny_sXe [5.5K]

Answer:

P = 1.090\,N

Explanation:

The constant speed means that ball is not experimenting acceleration. This elements is modelled by using the following equation of equilibrium:

\Sigma F = P - W + F_{D}

\Sigma F = P - \rho \cdot V \cdot g + c\cdot v = 0

Now, the exerted force is:

P = \rho \cdot V \cdot g - c\cdot v

The volume of a sphere is:

V = \frac{4\cdot \pi}{3}\cdot R^{3}

V = \frac{4\cdot \pi}{3}\cdot (0.014\,m)^{3}

V = 1.149\times 10^{-5}\,m^{3}

Lastly, the force is calculated:

P = (8910\,\frac{kg}{m^{3}} )\cdot (1.149\cdot 10^{-5}\,m^{3})\cdot (9.81\,\frac{m}{s^{2}} )+(0.950\,\frac{kg}{s})\cdot (0.09\,\frac{m}{s} )

P = 1.090\,N

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3 years ago
Which planet moves the fastest and which planet moves slowest? a, b, c, d, e, or f. Explain
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D is the point where the planet moves the fastest. This is because it is in the perihelion, where the planet is moving at it’s fastest pace
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