What is information that is encoded as a string of 1s and 0s?

Answers

Answer 1

Answer:

Answer: a digital signal

Explanation:

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1. The force between a pair of charges is 100 newtons. The distance between the charges is 0.01 meter. If one of the charges is 2 u 10-10 C, what is the strength of the other charge?2. The force between two charges is 2 newtons. The distance between the charges is 2 u 10-4 m. If one of the charges is 3 u 10-6 C, what is the strength of the other charge?

Answers

Answer:

1. $Q = 5.56 * 10^(-3) C$

2. $Q = 2.97 * 10^(-12) C$

Explanation:

1. Electrostatic force is given as:

$F = (kqQ)/(r^2)$

where k = Coulombs constant

q = charge of first charge

Q = charge of the second charge

r = distance between them

From the question:

F = 100 N

q = $2 * 10^(-10) C$

r = 0.01 m

We need to find Q.

From the formula of force, we have that Q is:

$Q = (Fr^2)/(kq)$

$Q = (100 * 0.01^2)/(8.99 * 10^9 *2 * 10^(-10)) \n\n\nQ = (0.01)/(1.798)\n \n\nQ = 0.00556 C = 5.56 * 10^(-3) C$

This is the charge, Q, of the second charge.

2. From the question:

F = 2 N

q = $3 * 10^(-6) C$

r = $2 *10^(-4) m$

We need to find Q.

Using the same formula for Q as in 1. above, we have that:

$Q = (2 * (2 *10^(-4))^2)/(8.99 * 10^9 *3 * 10^(-6)) \n\n\nQ = (8 * 10^(-8))/(26970)\n \n\nQ = 2.97 * 10^(-12) C$

This is the charge, Q, of the second charge.

Answer:

(1) $4.4835*10^(17)C$

(2) $2.9748*10^(-12)C$

Explanation:

Force Between two charges is give by.

$F=k(Q_1 *Q_2)/(r^2)$ , here k is called coulomb constant and has value = $8.967*10^9Nm^2/C$ .

(1) case, F =100N, r = 0.1m and $Q_1$ = $2*10^(-10)C$ substituting these values in above equation and solving for unknown gives us.

$Q_2 = 4.4835*10^(17)C$ .

(2) Case, F = 2N, r = $2*10^(-4)m$ and $Q_1=3*10^(-6)C$ .

again by substituting these in above equation and solving for unknown gives us.

$Q_2=2.9748*10^(-12)C.$

Why did some alpha particles bounce off the gold foil?

Answers

Because alpha particles are positive charged. And they bounce back because of the electromagnetic force between them and the gold foils protons.

All of the outer planets have what? (Moons and rings system, just rings systems, just moons, or humans)

Answers

They all have rings and moons

The difference between newtons first law of motion and newtons third law of motion

Answers

The difference is two laws of motion.

Answer : Newton's first law of motion (also known as Law of Inertia) describes about the tendency of an object to resist change from its state of rest / motion / direction (inertia).

Whereas, Newton's third law of motion tells us that forces exists in pairs. It talks about the action & reaction forces, which are equal in magnitude but opposite in direction.

In this way, Newton's third law of motion is different from Newton's first law of motion.

An..........reaction is the rearrangement of atoms by breaking and reforming chemical bonds

Answers

i think it is a chemical reaction but im not completely sure

Hard well organized solid Atoms are tightly packed together
Crystalline arrangement
High melting and boiling point.

The characteristics listed describe

A) ionic compounds.
B) covalent compounds.
C) diatomic molecules.
D) molecular compounds.

Answers

A) ionic compounds.

quizlet has a great study set for this unit

https://quizlet.com/_46l8d5

Answer:

ionic compounds

Explanation:

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