Electrons and protons are attracted to each other because of which fundamental force?a. nuclear
b. gravitational
c. electromagnetic
d. attraction-repulsion

Answers

Answer 1

Answer: Electrons and protons are attracted to each other because
they have static charges with opposite signs. The force is
the electrostatic force.

There's no such thing as "electromagnetic" force.

Answer 2

Answer: the answer is c. change is a property of one of the fundamentals of nature

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The force of gravity between two objects is directly proportional to which of the following? a. the masses of each object. b. the velocity of each object. c. the distance between the objects squared. d. the mass of one object and the distance between the objects.
You are standing 100 Meters away from your car when an alligator appears 20meters away from you on the opposite side and you start to run with a speed of 5m/s while the alligator's speed was 8m/s towards you. Will you reach your car before the alligator reaches you? Why?

Point m is located a distance 2d from the midpoint between the two wires. find the magnitude of the magnetic field b1m created at point m by wire 1.

Answers

Note: The diagram referred to in the question is attached here as a file.

Answer:

The magnitude of the magnetic field is $B = (0.071 \mu I)/(d)$

Explanation:

The magnetic field can be determined by the relationship:

$B = (\mu I)/(2\pi R)$ ...............(1)

Were I is the current flowing through the wires

The distance R from point 1 to m is calculated using the pythagora's theorem

$R = \sqrt{d^(2) + (2d)^(2) }$

$R = \sqrt{5d^(2) } \nR = d√(5)$

Substituting R into equation (1)

$B = (\mu I)/(2\pi d√(5) )$

$B = (0.071 \mu I)/(d)$

Use the formula for the magnetic field created by a long, straight, current-carrying wire (B = μ0I/2π(2d)) to find the magnitude of the magnetic field at point M created by wire 1

To find the magnitude of the magnetic field B1m created at point M by wire 1, we can use the Biot-Savart law. The formula for the magnetic field produced by a straight wire at a distance r from the wire is given by:

B = (μ₀ * I) / (2π * r)

Where:

- B is the magnetic field.

- μ₀ is the permeability of free space, which is a constant approximately equal to 4π x $10^{(-7)$ T·m/A.

- I is the current flowing through the wire.

- r is the distance from the wire to the point where you want to calculate the magnetic field.

In your case, the distance from wire 1 to point M is 2d. Therefore, we can calculate the magnetic field B1m due to wire 1 at point M as follows:

B1m = (μ₀ * I1) / (2π * (2d))

Now, we need to consider the direction of the magnetic field. Since point M is located equidistant between two wires, and wire 1 is closer to point M, the magnetic field created by wire 1 at point M will point towards or away from the wire, depending on the direction of the current in wire 1.

If the current in wire 1 is in the same direction as the vector from wire 1 to point M, the magnetic field will point away from wire 1. If the current in wire 1 is in the opposite direction, the magnetic field will point towards wire 1.

In both cases, the magnitude of the magnetic field B1m due to wire 1 at point M is given by the formula mentioned earlier:

B1m = (μ₀ * I1) / (2π * (2d))

This formula gives you the magnitude of the magnetic field at point M due to wire 1. The direction of the field depends on the direction of the current in wire 1 relative to the vector from wire 1 to point M.

Learn more about Magnetic Field here:

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The index of refraction of a material medium must be less than 1 true or flase

Answers

That statement is flase. The index of refraction
of every material is more than 1.0 .

You mix two clear solutions , instantly your see a bright yellow precipitate form. What type of reaction did your just observe

Answers

precipitation reaction is the reaction that you have just observed.

I think the answer to this question is "a chemical reaction".

Support that P(e)=0.76,P(F)=0.45,and P(E and F)=0.32. What is P (E or F)?

Answers

The probability of (E and F) = P(e) times P(f) = 0.76 x 0.45 = 0.342 .

The probability of (e OR f) =

   1 - P(not e AND not f) =

   1 - P(not e) x P(not f) =

   1 - (1 - 0.76) x (1 - 0.32) =

   1 - ( 0.24 )   x   ( 0.68 ) = 1 - 0.1632 = 0.8368.

How much kinetic energy does a 7.2-kg dog need to make a vertical jump of 1.2 m? the acceleration due to gravity is 9.8m / s^2

Answers

$E_k=mgh\n\nm=7.2\ kg\n\ng=9.8\ m/s^2\n\nh=1.2\ m\n\nE_k=7.2\cdot9.8\cdot1.2=84.672\ \left[(kgm^2)/(s^2)\right]=84.672\ [J]$

Assuming that no energy is wasted,
Use the equation Gpe=mgh
Mass*gravity*height
1.2*7.2*9.8=
84.672
(The answer might be wrong I did it in my head)

At a objects highest point is the acceleration zero too?

Answers

Answer:

Acceleration from gravity is always constant and downward, but the direction and magnitude of velocity change. At the highest point in its trajectory, the ball has zero velocity, and the magnitude of velocity increases again as the ball falls back toward the earth

Explanation:

Answer:

Explanation:

becuse it's not even outer space there's acceleration there's no such thing as Zero acceleration speed except if you're not in motion.

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