Interpreting Graphics
11. Look at the model of an atom below. Does the
model represent a metal atom or a nonmetal
atom? Explain your answer.
ng

Answer:

a

Explanation:

cuz im smart ;)

Answer:

R=v2isin2Big R

=v I 2 sin 2 B I g

Answer:

I think it will brake or squashed

Answer:

4 seconds

Explanation:

On the Y axis - you go to 12. Go directly horizontally till you hit the line. Then go directly down. If you do this correctly, you should hit 4 seconds on the X axis.

Answer:

Explanation:

The work done by an object can be found by using the formula

workdone = force × distance

From the question we have

workdone = 5 × 10 = 50

We have the final answer as

Hope this helps you

The net force acting on the car is 65 N to the left

The net force acting on an object is simply defined as the resultant force acting on the object.

From the question given, we obtained the following data:

The net force acting on the car can be obtained as follow:

Fₙ = Fₗ – Fᵣ

Fₙ = 315 – 250

Therefore, the net force acting on the car is 65 N to the left

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Since there is no friction, the net force on the car in the x - direction will be 65 Newtons

Given that Dave and Alex push on opposite ends of a car that has a mass of 875 kg.

Dave pushes the car to the right with a force of 250 N, which is positive direction and Alex pushes to the left with a force of 315 N which is negative direction. Since there is no friction, only the horizontal forces will be considered.

To calculate the net force on the car in the x-direction, we will find the difference between the two forces because of their directions are opposite to each other.

Net force = 315 - 250

Net force = 65 Newtons

Therefore, the net force on the car in the x - direction will be 65 Newtons

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Answer:

frequency

Explanation:

the closer the waves are the higher the pitch of the sound.

A.l and lll

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Given what we know about hotspots and their characteristics, we can confirm that the option that is false regarding hotspots is "A. Hotspots are constantly moving forming chains of volcanoes".

In regards to the study of geology, we refer to hotspots as spots in an oceanic mantle where magma located below causes them to become intensely hot. This heat forces magma and therefore the mantle itself upwards as a tectonic plate moves across the spot, and therefore results in the formation of volcanic chains. Some very popular examples of volcanoes and volcanic islands formed by this method include:

Despite the other options being true, option A is false given that hotspots are stationary elements of the oceanic mantle. Although some scientists believe that there is evidence of the movement of hotspots, this movement is slow enough to not be taken into account.

This question was answered in regards to the complete question found online which states:

Which of the following is NOT TRUE about hotspots? a. Hotspots are constantly moving forming chains of volcanoes.

b. Hotspots are stationary.

c. Hotspots form volcanic island arcs

d. Hotspots lie along an oceanic plate

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Answer:

7.1 m/s

Explanation:

Explanation is attached

The power can be increased by decreasing the time it takes to load 10 items into the truck it can be done by using leverage and putting more boxes in the truck at the same time.

Power refers to the ability of doing work done per unit time, higher the power means more work has been done in less time. The SI unit of power is watt.

Work done is a physical quantity that refers to measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is applied in the direction of the displacement.

Given:

10 people are loading 10 items in a truck

According to the question we have to maximize the power output.

To do this we need to increase work done per unit time. This can be done in a number of ways which include:

Using leverage and pulley techniques to increase the loading capacity of the individual, so that more work is done in less time and therefore increasing the power output of the work to be done.

The second method would be decreasing the time it takes to load the boxes into the truck which can be done if multiple boxes are loaded into the truck at the same time.

Therefore, the power can be increased by decreasing the time it takes to load 10 items into the truck it can be done by using leverage and putting more boxes in the truck at the same time.

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Answer:

10s

Explanation:

Answer:

Explanation:

Condensing is the word used to indicate the change of state of a substance from vapor to liquid, as in this case. During condensation, the substance releases thermal energy to the environment, therefore the kinetic energy of the molecules in the vapor decreases until they become closer to each other and they start to be affected by the intermolecular forces and so the substance becomes a liquid.

Answer:

Explanation:

Material:                 Cost ($):          Quantity:       Cost x Quantity:

Straw                          2$                    2x                   2$ x 2

Paperclip                   2$                     2x                   2$ x 2

String                          3$                    1x                    3$ x 1

Toothpick                  3$                      1x                   3$ x 1

Cup                            5$                      1x                    5$ x 1

Rubber band              5$                     1x                    5$ x 1

Tape                            7$                    1x                    7$ x 1

Paper                          7$                     1x                    7$ x 1

Tissue Paper             10$                    1x                   10$ x 1

Duct Tape                  10$                    1x                    10$ x 1

Cotton ball                 12$                    1x                     12$ x 1

Balloon                       15$                    1x                    15$ x 1

Paper Plate                15$                     1x                   15$ x 1

                                                                            total:  100$

hope this really helped!!

mark me brainliest :D

Answer:

The horizontal forces are equal in size and opposite in direction. They are balanced, so the horizontal resultant force is zero. This means that there is no horizontal acceleration just a horizontal constant speed. If a submarine is not moving horizontally, then there are no horizontal forces.

I hope it helps.

So directly the cell density value in a rectangle is:

[tex]5*10^{17} cells/cm^{2}[/tex]

In this exercise, we must first calculate the area of ​​the rectangle, remembering that you need to convert from nm to cm is:

[tex]A=B*H\\A=(0.4*10^{-7})*(0.5*10^{-7})= 2*10^{-15}[/tex]

Next, let's calculate the density from the calculated area:

[tex]\frac{N}{A} = \frac{1000}{2*10^{-15} } = 5*10^{17}[/tex]

In this way, the calculation represents that there is:

[tex]5*10^{17} cells/cm^{2}[/tex]

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Answer:

answer

Explanation:

The initial horizontal velocity canbe determined by measuring the diameter of the ball and dividing by the time that it takes for the ball to move across the photogate. That is Vo = d/t.

When Vertical velocity refers to the speed of an object's movement in a vertical direction.

Car speed = 40m/ hour

3 hours = 40 × 3 = 120m /hour

Answer:

120

Explanation:

if the car travels 40 in one hour , to find the speed in 3 hours multiply 40 x 3 which will give us 120

Answer:

Thrust

Explanation:

Thrust is the force that causes a car to move in the direction that it wants to.

Answer:

11.7 im pretty sure. i did the work so it should be correct

Answer:

Q4

A

Q5

B

Explanation:

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Answer:

The closer a planet is to the sun, the shorter its period of revolution. The farther away a planet is from the sun, the longer its period of revolution.

Explanation:

i hope that helps, have a great day.

Answer:

The closer a planet is to the sun, the shorter its period of revolution. The farther away a planet is from the sun, the longer its period of revolution. so it depends on how close and how far it is to have a different time period. so if the if it is close then the period of revolution will be shorter because they need more space to have a longer period. if it is spaced out then it will have a longer period because they do have space.

Explanation:

Answer:

25m/s

Explanation:

p=mv

75 = 3v

v = 75/3

v = 25 m/s

If you want to verify your answer, just insert the value of v to the equation.

Answer:

The thermosphere experiences a temperature increase primarily due to the absorption of gamma-rays and X-rays.

The actual things we are seeing if we see the bright flash of a meteor are a pea-sized particle and the surrounding air as the particle burns up in our atmosphere.

A meteor is a space rock that enters the atmosphere of the earth and produces a streak of light in the sky. Sometimes, people refer to them as shooting stars. When meteoroids enter the earth's atmosphere, they become meteors.

The night sky can be illuminated by meteors, also known as shooting stars, which are bits of space dust and debris that burn up in the Earth's atmosphere.

A pea-sized particle burns up in our atmosphere, and the surrounding air In other words, you do not see the particle itself, but only the effects it has on the surrounding air as it burns up.

Thus, we are seeing burned particles or dust when we see meteors.

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Answer:

PLEASE MAARK ME BRAINLEST!!!

Explanation:

The particles of the medium just vibrate in place. As they vibrate, they pass the energy of the disturbance to the particles next to them, which pass the energy to the particles next to them, and so on.

Answer:

A frame of reference is the location from which motion is perceived and measured. For all observers, the speed of light remains constant.

Explanation:

The place from which motion is observed and measured is called frame of reference .

Frame of reference is an abstract coordinate system whose origin , orientation , and scale are specified by a set of reference points .

The place from which motion is observed and measured is called frame of reference . The set of conditions that determine how to approach or observe something will depend on its reference frame .

In order to know the change in position of an object , a reference point is required . example : in a cartesian system origin is the reference . With respect to origin only every other things are observed .

A coordinate system with time frame is called frame of reference

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Explanation:

because its speed (v) is 0