What is the length of the x-component of the vector shown below?
A. 3.2
B.24.7
C. 2.8
D. 5.3

*​

Answers

Answer 1

Answer:

D

Explanation:

Answer 2

Answer:

5.3

Explanation:

Just took the quiz


Related Questions

Explain how an image produced by a convex mirror is similar to an image produced by a concave lens.

Answers

A convex mirror of focal length 10 cm forms an upright and magnified image of a real object placed at a distance of 20 cm from the mirror. A concave lens causes light to diverge. A concave mirror can produce either real or virtual images. ... The images produced by a convex mirror are smaller than the object it reflects.


Which piece of evidence from the article explains WHY the sun has a larger force of gravity
than the Earth?
(A)
Isaac Newton, an English scientist, discovered a law, or truth, about
gravity in the late 1600s.
(B)
The greater the mass of an object, the greater is its force of gravity.
(C)
Even a speck of dust has a force of gravity
(D)
The smaller the distance, the greater is the force of gravity between them.

Answers

Answer:

(B)

The greater the mass of an object, the greater is its force of gravity.

2. An ammeter registers 2.5 A of current in a wire that is connected to a 9.0 V

battery. What is the wire's resistance?

Answers

Answer:

3.6 Ω

Explanation:

Resistance: This is defined as the opposition to the flow of current in an electric circuit. The S.I unit of Resistance is Ohm's (Ω).

From the question above,

Applying Ohm's law

V = IR...................... Equation 1

Where V = Voltage, I = current registered by the ammeter, R = Resistance.

make R the subject of the equation

R = V/I............... Equation 2

Given: V = 9 V, I = 2.5 A

Substitute into equation 2

R = 9/2.5

R = 3.6 Ω

Hence the resistance of the wire =  3.6 Ω

does anyone know any of these?

Answers

Answer:

The last question is one Liter (sorry that is the only question I know for now).

Explanation:

Mainly because 1000cm is the same volume and area for an answer from this equation which is the block of wood.

Sorry that that was the only answer I knew :(

I'll see what else I can find and I'll edit this question later and write the rest of the answers-or any of them that I will know later on :)

I hope this answer helps :)

-EarthGirl

A toy rocket is fired vertically into the air from the ground at an initial velocity of 80 feet per second. Find the time it will take for the rocket to return to ground level

Answers

Answer: 16.3 seconds

Explanation: Given that the

Initial velocity U = 80 ft/s

Let's first calculate the maximum height reached by using third equation of motion.

V^2 = U^2 - 2gH

Where V = final velocity and H = maximum height.

Since the toy is moving against the gravity, g will be negative.

At maximum height, V = 0

0 = 80^2 - 2 × 9.81 × H

6400 = 19.62H

H = 6400/19.62

H = 326.2

Let's us second equation of motion to find time.

H = Ut - 1/2gt^2

Let assume that the ball is dropped from the maximum height. Then,

U = 0. The equation will be reduced to

H = 1/2gt^2

326.2 = 1/2 × 9.81 × t^2

326.2 = 4.905t^2

t^2 = 326.2/4.905

t = sqrt( 66.5 )

t = 8.15 seconds

The time it will take for the rocket to return to ground level will be 2t.

That is, 2 × 8.15 = 16.3 seconds

HELP I'll Mark as brainliest!

Answers

Answer: Gus sues Russell for stealing postage stamps

Explanation:

Which two conditions would result in the weakest electric force between objects?
Objects are conductors with unbalanced charges
Objects are insulators with balanced charges
Objects are far apart
Objects are close together

Answers

The weakest electric force between objects is seen when objects are far apart.

The electric force is the force that exists between two electrically charged bodies. The force could be attractive or repulsive. The electrical force between two bodies is given by Coulomb's law.

The weakest electric force between objects is seen when objects are far apart in obedience to Coulomb's law.

Learn more about electric force: https://brainly.com/question/1076352

Answer:

objects are far apart and Objects are insulators with balanced charges

Explanation:

believe me or not, it's right either way

What pattern is shown in the graph between fossil fuels and carbon emissions?

Over the years, ( increased / decreased) burning of fossil fuels has caused global carbon emissions to ( increase / decrease / remain the same ).

Answers

Hello there!

Over the years, increased burning of fossil fuels has caused global carbon emissions to increase.

Which statement is correct? (2 points)
Group of answer choices

(A) When a positively charged atom loses an electron to a positively charged atom, two neutral atoms are created.

(B) When a neutral atom loses an electron to another neutral atom, two charged atoms are created.

( C ) When a neutral atom loses an electron to a positively charged atom, both atoms become neutral.

(D) When charged atoms lose electrons they will become positively charged atoms.

Answers

Answer:

When a neutral atom looses an electron to another neutral atom, two charged atoms are created.

Explanation:

On the off chance that one of the two unbiased particle looses an electron, it turns out to be emphatically (charge: +1), in light of the fact that the electron conveys a charge of - 1. Thus, the other atom which acknowledges the electron turns out to be adversely charged (charge: - 1). And in the end, we will have two charged atoms.

Answer:

C

Explanation:

Remember This, energy cannot be created or destroyed only transfered

etc.

A round asteroid has a surface gravity
of 0.0288 m/s^2. If the mass of the
asteroid is 1.10 x 10^18 kg, what is its
radius?

Answers

Answer:

159662.5 I think.

Explanation:

mass 1: 1.10

mass 2:10000000000000000000

distance:159662.5

gravitational force: 0.0288

tell me if I did this right.

1. Which Law? When you are standing up in a subway train, and the train suddenly stops, your body continues to go forward.

A. Law 1

B. Law 2

C. Law 3


2. Which Law? A swimmer pushes water back with her arms, but her body moves forward.

A. Law 1

B. Law 2

C. Law 3


3. Which Law? After you start your motorcycle, as you give it more gas, it goes faster.

A. Law 1

B. Law 2

C. Law 3

Answers

1. Law 1, since there is no other force acting on your body as you stand there, so you will continue to go forward.

2. Law 3, since the swimmer is using opposite forces to propel herself through the water. She generates a force by pushing the water which helps to push her forward.

3. Law 2, since you are giving the motorcycle more energy as a result of the gas being transformed into the energy that helps to accelerate the motorcycle's speed.

what is an electric current​

Answers

A flow of energy threw a conductor
An electric current is the rate of flow of electric charge past a point or region

A hammer head of mass 600g, produces force
of 360N when it strikes the head of a nail Explain how it's possible for the hammer to
drive the nail into a piece of wood, yet a weight of360N resting on the head of
Nail would not??

Answers

Answer:

Explanation:

When a hammer is swung in the air, it accumulates the energy in the form of kinetic energy and this energy is imparted to the nail in an instant produces a  

a large amount of force to drive the nail into the wood.

The amount depends upon how large your swing and the size of the hammerhead as more energy will be accumulated if the above process occurs to a greater extent.

The appearance of an element is a

Answers

Answer:

The correct answer to the following question will be "Element appearance".

Explanation:

Individual elements could even establish a global look that supersedes all components' default configuration as well as appears to apply to something like the factor indicates whereas it makes it appear in illustrations.The appearance of such an element can sometimes be modified around at the individual levels graph or chart.

So that the above is the right answer.

What happens to the force between two charges if one of the charges are doubled?
it decreased by a quarter
it quadruples
it doubles
it cuts in half

Answers

Answer:

The new force between the charges becomes double of the initial force.

Explanation:

The force acting between charge particles is given by :

[tex]F=k\dfrac{q_1q_2}{r^2}[/tex]

k is electrostatic constant

r is distance between charges

If one of the charges are doubled, then, q₁ = 2q₁

The new force becomes,

[tex]F'=\dfrac{2kq_1q_2}{r^2}\\\\F'=2F[/tex]

So, the new force between the charges becomes double of the initial force.

Whenever energy changes form, people sometimes say that some energy is "lost." What is meant by this?
A. The energy is not truly lost; it transforms into forms that are not easily put to use.
B. The process of changing form reduces the total amount of energy in the universe.
C. Whenever energy changes form in one location, a corresponding change in the opposite direction must take place somewhere else.
D. Sometimes a "mistake" or an inefficiency in the transformation causes energy to be destroyed.

Answers

Answer:

A. The energy is not truly lost: it transforms into forms that are not easily put to use.

Explanation:

This is due to the fact that when we use energy, it seems to have disappear, but it really hasn't. In fact, when we use energy, it is changing into another form that has to be converted in order for energy to be present once again.

Answer:

A

Explanation:

Select all that apply.

The following diagram shows the path of a planet around the Sun. Kepler discovered that _____.

A)area A = area B
B)the distance from P2 to P3 is half the distance from P5 to P6
C)the speed in the interval from P1 to P2 is twice the speed in the interval from P6 to P1
D)the speed in the interval from P1 to P2 is less than the speed in the interval from P3 to P4

Answers

Answer:

The right answer is area =Area C

Explanation:

We can solve the problem by using kepler's law of planetry motion.

Kepler discovered that area B = area C because of its similar distance of orbit from the sun.

What Kepler discovered?

A certain planet sweeps out an area B from the point P3 to P4 in a time t while on the other hand, for the same interval of time t, the planet sweeps out an area C from point P4 to P5, that is equal to the previous area according to second Kepler's law.

So we can conclude that Kepler discovered that area B = area C because of its similar distance of orbit from the sun.

Learn more about planet here: https://brainly.com/question/25624188

#SPJ2

EXPLAIN Why does passing electricity through a metal filament cause it to
become so hot that it will emit heat and visible light?

Answers

Answer:

Why does the material emit light when you pass electrical current through it? When you pass current through a filament material, the resistance creates heat. Atoms in the material absorb energy. Electrons around the atoms are excited and temporarily reach an orbital which is further from the nucleus.

Explanation:

hope this helps u stay safe

Please please please please PLEASE help!!!


Brainliest for whoever gets this right!


Describe how an earth wire and a fuse can protect an iPad with a metal casing

- 5 clear simple points

Answers

Answer: an earth wire and a fuse can protect an ipad with a metal casing because an earth wire is strong and a fuse is basically a force and if you put them together the work like really good

Explanation:

idk i was just guessing sorry

Monochromatic light is incident on two slits separated by 0,2 mm. An interference pattern is observed on a screen 3,7 m away. The distance between the 3rd dark fringe and the central antinode is 0,048 What is the wavelength of the light? Write your answer in sicentific notation or in decimal form

Answers

Answer:

λ = 864 nm

Explanation:

To find the wavelength of the light you use the following formula, which determines the position of the m-th fringe in an interference pattern:

[tex]y_m=\frac{m\lambda D}{d}[/tex]   (1)

ym: position of a bright fringe

D: distance from the slits to the screen = 3,7 m

d: distance between slits = 0,2mm = 0,2 *10^-3 m

m: order of the fringe

λ: wavelength of the light

You have the distance from the central peak to the third fringe (0,048m). Then, you can use the equation (1) with m=3 and solve for the wavelength:

[tex]y_3=\frac{3\lambda D}{d}\\\\\lambda=\frac{dy_3}{3D}=\frac{(0,2*10^{-3}m)(0,048m)}{3(3,7m)}=8,64*10^{-7}m\\\\\lambda=864*10^{-9}m=864nm[/tex]

henc, the wavelength of the light is 864nm

Commercials for a toy bouncy ball advertise that it will bounce to a height that is greater than the
height from which it was dropped. Why is this impossible?

Answers

Answer:

because energy will be lost due to friction, sound, and heat (arguably similar to friction) and ENERGY MUST STAY THE SAME so it is IMPOSSIBLE for the ball to bounce higher than when dropped!

A bird is flying with through the air with a speed of 18.0 m/s. As it flies, it holds in its claws a 2 kg fish that it
just caught moments ago. Suddenly, the fish wiggles a bit the bird loses its grip, and the fish falls 5.4 m, landing
in the lake below. What speed does the fish have right before safely splashing back into the lake?

Answers

It’s started with wing
56m because the bird has sharp wings

What is the purpose of an airbag in a vehicle?

Answers

Answer:

Airbags help prevent head, chest and other severe injuries during a car collision. The bag is so designed that it can inflate in less than a second after a car collides; thus, it serves as a cushion and stops the head and chest from hitting the hard surfaces in the car.

Answer:

they prevent injuries and death

If a magnetic field is to exert a force on a current-carrying wire, the field must have some vector component:

A.) parallel with the current
B.) tangential to the current
C.) concentric with the current
D.) perpendicular to the current

Answers

Answer:

D.) perpendicular to the current

i am 100% sure :)

Which of the following observations demonstrates the differences between speed of light and speed of sound? (Note, they are all true, but which one
represents the difference in the speed?))
A. In space you can see an explosion, but are unable to hear it.
B. A light bulb "pops" when it bums out.
C. You see lightning and then hear the thunder.
D. You are able to hear a sound coming from the apartment next to you, but you cannot see a light coming from a lamp in the apartment

Answers

Answer:

Definitely C.                    

When did they start using the word "Scrubbed" for launches?

Answers

Answer:

Many speculation exists for why the term 'scrubbed' is used in relation to launches. One of these is that during world war II, when the Air force planned bombing raids. These  Air force missions had their briefings done with illustration of the details of the launch and and flight drawn on chalkboards. When some of mission flight takeoffs were canceled (due to bad weather or a malfunction or other reasons) the details were then scrubbed off of the chalkboard. This idea of the mission being scrubbed meaning that it is no longer to be followed through with, proceeded to this modern day rocket and aviation launches.

Material A has a higher thermal conductivity than Material B. Which material will transfer energy by conduction faster?​

Answers

Answer: a

Explanation:

Please please please please PLEASE help!!!


Brainliest for whoever gets this right!


Describe how an earth wire and a fuse can protect an iPad with a metal casing

- 5 clear simple points

Answers

Answer:

Because the electricity flows through and creates static bonds around the metal case which creates a bond with other fields that protects it.

Explanation:

All incident and reflected rays obey which law?

Answers

Answer:

law of reflection

Explanation:

What is the path that an electric current follows called

Answers

i’m sure it’s called a circuit:)
I think its a electric circuit
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