the number of lines that connect opposite corners of a cube through its center is:

Answers

Answer 1

There are 4 lines that connect opposite corners of a cube through its center.

To find the number of lines that connect opposite corners of a cube through its center, we need to visualize the cube and draw a line connecting two opposite corners that pass through the center of the cube.

We can see that there are two diagonals passing through the center of the cube. Each diagonal connects two opposite corners of the cube. Therefore, the total number of lines that connect opposite corners of the cube through its center is equal to the number of diagonals, which is 4.

In summary, the number of lines that connect opposite corners of a cube through its center is 4.

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Related Questions

what different forms of energy are demonstrated by tv remote, flashlight, string lol ights, clock, and Toys​

Answers

Answer:

I hope it helps you

Explanation:

please mark me as brainllest answer please

What is the displacement of a car in 50 s if it is travelling with a velocity of 25 m/s?

Answers

Answer:

v =25 m/s

time= 50 s

Velocity =Displacement/Time

Displacement = Velocity × Time

S = 25×50

s=1250m

Explanation:

v =25 m/s

time= 50 s

Velocity =Displacement/Time

Displacement = Velocity × Time

Mary takes a trip to California for her vacation. Her airplane leaves Boston and flies 3,000 miles west, arriving in San Francisco 6 hours later. What was the plane’s velocity? Calculate and include proper units!

Answers

Answer:

two hr lead =90 miles

90/15=6hrs

2+6=8pm

Explanation:

13-1 LIVE
2, A rectangulv Container of base socmby 30cm is filled
with water to be depth of 5cm. how much is the pressure exerted
at the base? (take pw= 1000kg /m3 and g=10m/s)​

Answers

Correct question is;

2, A rectangular Container of base 50 cm by 30cm is filled with water to be depth of 5cm. how much is the pressure exerted at the base? (take pw= 1000kg /m3 and g=10m/s)​

Answer:

P = 500 N/m²

Explanation:

Pressure exerted at the base is the hydrostatic pressure and it is given by the formula;

P = ρgh

Where;

ρ is density = 1000 kg/m³

g = 10 m/s²

h is depth = 5 cm = 0.05 m

Thus;

P = 1000 × 10 × 0.05

P = 500 N/m²

Sound will travel slowest through which medium?

Answers

Ice at -25
Hope this helps
May God bless you and your family

Will clothes dry faster when they are folded or when they are not folded on the line?

Answers

Answer:

Not folded

Explanation:

not folded on the line

Hello anyone I need the answer to this, thank you!

Answers

Answer:

yes

yes yes yes yes

yes yes yes

i need help it is psychology

Answers

Answer:

C. Forebrain

Explanation:

The Basil Ganglia, sits on the base of the forebrain.

Which of the following waves has the longest wavelength? Group of answer choices a.ultraviolet b.gamma c.visible light d.microwaves

Answers

Answer: visible light

Explanation:

1. A stone is thrown upwards with an initial velocity of 25 m/s at angle of 30° to the ground a. Show that the vertical component if the velocity at the starting is 12.5 m/s upwards.

Answers

The vertical component of the velocity at the starting is 12.5 m/s upwards.

What is velocity?

Velocity is the direction at which an object is moving and serves as a measure of the rate at which its position is changing as seen from a specific point of view and as measured by a specific unit of time.

In kinematics, the area of classical mechanics that deals with the motion of bodies, velocity is a fundamental idea.

Given that  stone is thrown upwards with an initial velocity of 25 m/s at angle of 30°.

Hence,  the vertical component of the velocity in upward direction = 25 sin30° m/s

= 25 × 1/2 m/s

= 12.5 m/s.

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Physics mcq please be sure​

Answers

Answer:

1. c 2.d

Explanation:

we did this in middle school

What characteristic is necessary for the uranium in a nuclear reactor?

Answers

Answer:

U-235

Explanation:

a rare needed compound

Assignments
1. A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N
frictional force. He pushes in a direction 25.0" below the horizontal. (a) What is the work done
on the cart by friction? (b) What is the work done on the cart by the gravitational force? (c)
What is the work done on the cart by the shopper? (d) Find the force the shopper exerts, using
energy considerations. (e) What is the total work done on the cart?​

Answers

Hello there!

I hope you and your family are staying safe and healthy during this unprecendented time.

A) What is the work done?

Answer: We need to use the formula

[tex]w=-F_f(d)[/tex]

[tex]w=-(35)(20)[/tex]

[tex]w=-700J[/tex]

B) What is the work done on the cart by the gravitational force?  

Alright, we know that the gravitional force is perpendicular to the diplacement. Therefore, we gonna use the following formula:

[tex]w=Fdcos90[/tex]

[tex]w=0[/tex]

C) What is the work done on the cart by the shopper?

This is the easier part, since we already know that the work done by the shopper is the same as the work done by the friction force

[tex]W shopper + W friction = 0\\W shopper = W-friction \\W shopper = 700J[/tex]

D) Find the force the shopper exerts, using energy considerations.

[tex]F_f+Fcos25=0\\-35+Fcos25=0\\F=38.6N[/tex]

E) What is the total work done?

You just need to add them:

[tex]w=wshopper+wfriction\\w=0[/tex]

A block of mass 0.5kg is pulled to the right with an applied force 3N at an angle 30 degrees above horizontal as shown. Ignoring friction, the acceleration of the block is...
A. 1.8
B. 3
C. 5.2
D. 6​

Answers

The answer is C, 5.2

how does a longshore current affect a beach?

Answers

Longshore currents are affected by the velocity and angle of a wave. When a wave breaks at a more acute (steep) angle on a beach, encounters a steeper beach slope, or is very high, longshore currents increase in velocity. ... This process, known as “longshore drift,” can cause significant beach erosion.

Answer:

"Longshore currents are affected by the velocity and angle of a wave. When a wave breaks at a more acute (steep) angle on a beach, encounters a steeper beach slope, or is very high, longshore currents increase in velocity. ... This process, known as “longshore drift,” can cause significant beach erosion."

Credits to ocean service

Explanation:

Hope this helps

Urea gets from body cells to the blood plasma by diffusion through the tissue fluid. Explain what this means?

Answers

Answer:

Glucose diffuse from the blood plasma, across the capillary walls to the tissue fluid, and then to the cell.

Glucose diffuse from the blood plasma, across the capillary walls to the tissue fluid, and then to the cell. The waste product urea diffuse from the cells of the liver to the tissue fluid, and then across the capillary walls into the blood plasma.

The angle between the incident ray and the reflected ray from a mirror is 720.
Find the angle of incidence.

Answers

Answer:

when a ray of light is incident normally on a plane mirror the angle between incident and reflected ray is 0 degree or 180 degree

Explanation:

Will mark as brainliest !! plz answer it

Plzzz answer with explnation!!!

the value of acceleration due to gravity (g) will be maximum at:
.
a) 1/2 of the radius of earth

b) 1/4 of the radius of earth

c) 1/8 of the radius of earth

Answers

I answered first on your other comment!

Which of the following is a variable property for a gas? Select all that apply.

shape
mass
volume
density

Answers

Answer:

volume

Explanation:

mass density and shape are not variable to my view.

pressure volume

number of moles and temperature are variable

Which angle allows the soil to receive the most direct light from the lamp?
0 degrees
20 degrees
45 degrees
90 degrees

Answers

D. 90 degrees

Hope this helped !

Answer:

D. 90 degrees

Explanation:

just finished lab

Name some minerals used as gems.​

Answers

Answer:

Minerals to Gemstones

Mineral Name Gemstone Name

Beryl Aquamarine, Beryl, Bixbite, Emerald, Goshenite, Heliodore, Morganite

Brazilianite Brazilianite

Chalcedony Agate, Aventurine, Bloodstone, Carnelian, Chrysoprase, Heliotrope, Jasper, Onyx, Sard

Chrysoberyl Alexandrite, Chrysoberyl

work out

A rectangular block of mass 20 kg lies with a side 0.2m by 500cm on a tab
What is the pressure exerted by its weight on the table?​

Answers

Explanation:

force/area=pressure

force=10*mass

area=0.2*500

pressure=200/100=2

uses of electromagnetic wave​

Answers

Radio waves - used for communication e.g. radios and TVs

Microwaves - used for cooking food and for satellite communications

Infrared light - used by electrical heaters and infrared cameras

Ultraviolet radiation - kills bacteria - sterilises water and makes it safe to drink and produces vitamin D - good for skin

Each external force acts on the system for 10 seconds. Rank the change in momentum of each of the cart-cart systems from largest to smallest. (The label of “m” or “2 m” desginates the relative mass of each cart.)

It is possible to have some of the categories below BLANK since you may have items that are EQUAL to each other.
Put the largest as far up as you can, and the smallest as far down as you can

Answers

Answer:

thanks me later

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A wave hits an object as shown. A vertical line with Medium 1 to the left and Medium 2 to the right. An arrow from the left reaches the line. An arrow starts from the same point on the line and goes right at a different angle. Which kind of wave interaction is shown?

Answers

Answer:

refraction

Explanation:

When the wave moves from medium 1 to medium 2, then the wave gets refracted. Then the correct option is C.

What is the wave?

A wave is an energetic disturbance in a medium that doesn't include any net particle motion. Elastic deformation, a change in pressure, an electric or magnetic intensity, an electric potential, or a change in temperature are a few examples.

A wave is a dynamic disturbance of one or more variables that propagates in physics, geometry, and related sciences. When waves oscillate frequently around an equilibrium value at a certain frequency, they are said to be periodic.

The bending of waves as they go from one substance to another is known as wave refraction. It bends when the wave enters a new material because the wave's speed changes. The optical density or index of refraction of the material affects how light waves bend.

Thus, the correct option is C.

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The missing options are given below.

absorption

diffraction

refraction

reflection

Where do electrons spend most of their time?

Answers

Answer:

around the nuclei of each atom

Explanation:

Answer:

Before bonding, the atom's electrons spend most of their time around the nuclei of each atom.

Explanation:

Once bonded, the electrons spend most of their time between the two nuclei.

skills needed in agawang panyo

Answers

Answer:

they are;at first its teamwork,then agility and quick thinking

Blake strikes a punching bag with 80N of force for 0.05 seconds. John strikes a
punching bag with 60N of force for 0.1 second. Who delivers a greater amount of
impulse?

Answers

Answer:

So impulse= force × timeP1= 80N× 0.05 = 4 P2= 60N × 0.1= 6 Hence John delivers a greater impulse I do exams and quizzes if your interested

Who is farther from home at 4 minutes?

Answers

Answer:

lil's sister

hope this helps pls mark brainliest

Alice pulls her wagon with a force of 75N. If the she pulls the wagon for 50 meters, how much work has she done?

Answers

Answer: W=75.50J

Explanation:

W=Fd

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