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2 years ago

State Coulomb’s Law equation and give the meaning of every variable and the units.

Physics

1 answer:

igor_vitrenko [27]2 years ago

5 0

The Coulomb's law equation is F = Kq₁q₂/r².

<h3>What is Coulomb's law?</h3>

This is the law that relates the product of two charges to the square of distance between the two charges.

Coulomb's law states that the force of attraction or repulsion is directly proportional to the product of the charges and inversely proportional to the square of distance between the charges.

<h3>Coulombs' law equation</h3>

The equation of Coulomb's law is given as;

F = Kq₁q₂/r²

where;

K is Coulomb's constant, Nm²/C²
q₁ is the first charge, C
q₂ is the second charge, C)
r is the distance between the charges, m

Thus, the Coulomb's law equation is F = Kq₁q₂/r².

Learn more about Coulomb's law equation here: brainly.com/question/24743340

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Joe has a mass of 40 kg, and Sally has a mass of 25 kg. They sit in class with a separation of 6 meters. Find the gravitational

goldfiish [28.3K]

Answer:

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Explanation:

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3 years ago

Determine the stopping distances for a car with an initial speed of 88 km/h and human reaction time of 2.0 s for the following a

seropon [69]

Explanation:

Given that,

Initial speed of the car, u = 88 km/h = 24.44 m/s

Reaction time, t = 2 s

Distance covered during this time, $d=24.44\times 2=48.88\ m$

(a) Acceleration, $a=-4\ m/s^2$

We need to find the stopping distance, v = 0. It can be calculated using the third equation of motion as :

$s=\dfrac{v^2-u^2}{2a}$

$s=\dfrac{-(24.44)^2}{2\times -4}$

s = 74.66 meters

s = 74.66 + 48.88 = 123.54 meters

(b) Acceleration, $a=-8\ m/s^2$

$s=\dfrac{v^2-u^2}{2a}$

$s=\dfrac{-(24.44)^2}{2\times -8}$

s = 37.33 meters

s = 37.33 + 48.88 = 86.21 meters

Hence, this is the required solution.

4 0

3 years ago

I don’t know if these are correct please help <br> Will mark brainliest :)

Licemer1 [7]

Im not to good at geography but I think you are correct :)

7 0

3 years ago

Is it true that at freezing point particle are vibrating so fast they break free?

kondor19780726 [428]

It is false. The effect of freezing is almost the exact opposite

4 0

3 years ago

Read 2 more answers

A twin-sized air mattress used for camping has dimensions of 75 cm by 225 cm by 17.5 cm when blown up. The weight of the mattres

konstantin123 [22]

Answer:

2870 N

Explanation:

There are three forces on the mattress. Weight of the mattress, weight of the person, and buoyancy.

∑F = ma

B - mg - Mg = 0

Buoyancy is equal to the weight of the displaced fluid.

ρVg - mg - Mg = 0

ρV - m = M

Plugging in values:

M = (1000 kg/m³) (0.75 m × 2.25 m × 0.175 m) - 2 kg

M = 293 kg

The person's weight is therefore:

Mg = 293 kg × 9.8 m/s²

Mg = 2870 N

6 0

3 years ago