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Ilya [14]
2 years ago
10

The farther you bring charged objects​

Physics
2 answers:
svet-max [94.6K]2 years ago
7 0

Answer:

\fbox {weaker, stronger}

Explanation:

The farther you bring charged objects from each other, the weaker the electrical force between them, and the bigger the charges on the objects, the stronger the electrical force between them.

<u>Proving</u>

Here we need the formula for Coulomb's Law, which is :

\boxed {F = \frac{1}{4\pi\epsilon_{0}}\times\frac{q_{1}q_{2}}{r^{2}}}

As we can see, when the distance increases, the overall force will decrease as they are inversely proportional.

Similarly, as the product of charges is directly proportional to the electrical force produced, as the charges increase, the force increases.

stiks02 [169]2 years ago
3 0

Answer:

Weaker, stronger

Explanation:

hope this helped!

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A father racing his son has 1/2 the kinetic energy of the son, who has 1/3 the mass of the father. The father speeds up by 1.4 m
BaLLatris [955]

Answer: a) 0.78 m/s b) 1.57 m/s

Explanation:

M = father's mass


m = son's mass = M/3


V = father's initial speed


v = son's initial speed

(1/2)MV^2 = (1/2)*(1/2)*m v^2


M*V^2 = (1/2)(M/3)v^2


V^2/v^2 = 1/4


V = v/2

Second equation:


(1/2)M*(V + 1.4)^2 = (1/2)m*v^2


= (1/2)*(M/3)*(3V)^2


cancel out the M's and (1/2)'s


(V + 1.4)^2 = 3V^2


V^2 + 2.8V + 1.96 = 3V^2


V^2 -1.4V -0.98 = 0

V^2 = 0.98/0.4 = 2.45

V = 1.57

3 0
3 years ago
Read 2 more answers
Is calculating the change of velocity the same as calculating acceleration? ​
koban [17]

Answer:

Yes! Thinking about it graphically a position vs time graph models meters per second in most cases, making every point on the line have the units m/s. If we want the find the slope we are finding the change between each point and those units would change to m/s/s or m/s^2 giving us the same units for acceleration. Simply put, slope of a velocity graph gives us acceleration.

Explanation:

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A 1-kilogram ball has a kinetic energy of 50 joules the speed of the ball is
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Answer:

10 m/s

Explanation:

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A. List at least 5 examples of events or factors that could cause extinction. 
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Disease
Lack of natural reourses
war
asteroid
Polution.

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If your mass is 20kg, and you stand on the scale (witch is your force), and the acceleration due to gravity is10m/s^2, what does
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Weight = (mass) x (gravity)

= 200 Newtons.

(About 44 pounds. You're very skinny.)
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4 years ago
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