The drawing shows a student holding two negatively charged balloons. What is most likely to occur if the student brings the balloons closer to each other?

A The magnitude of the electrostatic force between the balloons will decrease, and they will attract each other.

B The magnitude of the electrostatic force between the balloons will increase, and they will attract each other.

C The magnitude of the electrostatic force between the balloons will decrease, and they will repel each other.

D The magnitude of the electrostatic force between the balloons will increase, and they will repel each other.

Answers

Answer 1

Answer:

Explanation:

"Like charges repel each other; unlike charges attract. Thus, two negative charges repel one another, while a positive charge attracts a negative charge. The attraction or repulsion acts along the line between the two charges."

Source:

https://www.britannica.com/science/Coulombs-law

Answer 2

If the student brings two negatively charged balloons closer to each other magnitude of the electrostatic force increases and they will repel each other. The Correct option is D.

What is Electrostatic force?

Electrostatic force is a force of attraction or repulsion between two unlike or like charges respectively. when like charges come closer to each other, they gets repel by one another and it gets attracted for unlike charges. Force of attraction or repulsion between two point charges are given by coulomb's law, which states that " The force of attraction or repulsion between two charges are directly proportional to product of magnitude of two charges and inversely proportional to square of distance between them.

Charged bullions has charges accumulated on the surface. when two negative charged balloons comes closer they gets repelled each other.

Hence option D is correct

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I’m trying to get things expanded graph explanation sorry

whats a good string length for a parachute

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Answer: Hope This Helps!

Explanation:

The length of the string should be equal to the radius of the desired circle. Attaching the suspension lines: Creator of parachutes Use 4 suspension lines for each parachute. And Attatch the suspension lines onto the canopy.

canopy is 12 inches across so we make 4 strings-36 inches long.

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How do the laws of evolution explain how convergent evolution occurs?

Answers

How does convergent evolution happen?

Convergent evolution is similar to parallel evolution, which occurs when two independent species evolve in the same direction and thus independently acquire similar characteristics; for instance, gliding frogs have evolved in parallel from multiple types of tree frog.

Convergent evolution is when different organisms independently evolve similar traits. For example, sharks and dolphins look relatively similar despite being entirely unrelated. ... Another lineage stayed put in the ocean, undergoing tweaks to become the modern shark.

Answer:

Explanation:

Hypothesis (5 points)
In this section, please include the if/then statement you developed during your lab activity. This statement reflects your predicted outcome for the experiment.
Skilled Scientist level from Rubric: The hypothesis is reasonable and demonstrates understanding.
Which task and distance do you think you can perform the fastest?

If I (choose one: hop, walk backwards, walk forwards, speed walk) then I can travel the fastest.

Answers

Answer:

pretty sure the answer is speed walk, hope this helps

Which sound frequencies are in the audible frequency range of human hearing?

Select all correct answers.

10 Hertz

100 Hertz

1,000 Hertz

10,000 Hertz

Answers

Answer:

100 Hertz

1,000 Hertz

10,000 Hertz

Explanation:

Humans can detect frequencies between 20 Hz and 20,000 Hz.

It’s
100 hertz
1000 hertz
10000 hertz
I got you:)

(science) who ever gets this right will get a brainlest

Answers

Answer:

a and b

Explanation:

i Found the awnser on the CDC website about STDs but most dont show symptoms and does not go away

the awnser is c!!! hope thsi helps

Derek owns a farm that produces soybeans, avocados, and pecans. What is the word used to describe these items?

Select one:

a.
crops

b.
livestock

c.
dairy

d.
non-perishables

Answers

Answer:

crops

Explanation:

dairy are milk products and those aren’t

live stock is domesticated farm animals raised to produce resources

non-perishables are canned food and dried food. they can last a long time. they don’t need to be refrigerated or

A: crops
they are not any of the other answer choices

Is it possible for lightning to be used as everyday electricity? Is it safe, and or stable? Can lightning be multiplied?

Answer ASAP please. 20 points are to be given.

Answers

Answer

What the guy above said

Explanation:

Why does a skydiver accelerate as she falls to the earth before opening her chute?
A) because she loses mass during her travel
B) because she gets further from the airplane
C) because the force of the earth pulls on her
D) because fewer forces are present to slow her down as she drops

Answers

I’m gonna swinggggggfgg

C because the earth gravitational force will pull the skydiver down as skydiver falls from height and thus will accelerate

PLEASE HELP I WILL GIVE BRAINLIEST IF RIGHT!!!!

Answers

Answer:

The answer is D

Hope this helped

PLEASE GIVE BRAINLIEST

Explanation:

the answer is d, because it’s the tallest on the coaster.

The distance between the 2nd compression and the 3rd compression in a longitudinal wave is 200 cm. Find the wavelength of the wave.
I need the answer with working and formula..
Class - 8, Ch:13 - Sound, NCERT, CBSE

Answers

Explanation:

[tex]3 \times 200 \div 5[/tex]

Answer:

The wavelength of the wave can be calculated using the equation λ = 2L/n, where L is the distance between two compressions and n is the number of compressions. In this case, the distance between compressions is 200 cm and the number of compressions is 3, so the wavelength is 133.3 cm.

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Answer:

Digital because it is more straightforward and modern

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-jp524

it is usually easier to access and use than analog

What is the formula for displacement?
∆ = xf − xi
v = /
v = ∆/
∆ = v ∙ t
Choose all that apply

Answers

Displacement = final - initial
The formula most closely resembling that is delta = xf - xi

D = xf - xi , so it would be the first choice.

The diagram below shows the Earth (E) in its orbit around the Sun. Based on the Earth's location in the diagram, where will the Earth be in six months?
Near position 1

Near position 2

Near position 3

Near position 4

Answers

Near position 3. Since 6 months is half the year, the earth will have done half a rotation around the sun

It would be by position 3 because we have 12 months and 6 months is half of that so you would go across the sun

Help. Please explain to me how you got the answer.

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Well not positive but I’d assume that if you reflect it you would just flip the angle over to the other side, still making the angle 30%.

what factors are affected by the petrol crisis ?

Answers

Explanation:

Crude Oil Costs. Crude oil pricing is often what influences heating oil prices the most. ...

Supply and Demand. ...

Futures and Commodities Traders. ...

Changes in the Energy Industry. ...

Seasonal Demands. ...

The Weather. ...

Natural Disasters and Politics. ...

Your Neighborhood.

Answer:

1. Crude Oil Costs. Crude oil pricing is often what influences heating oil prices the most. 2. Supply and Demand.3. Futures and Commodities Traders. 4. Changes in the Energy Industry. 5. Seasonal Demands. 6. The Weather. 7. Natural Disasters and Politics.

Explanation:

Hopes this helps. Mark as brainlest plz!

A student rubs a rubber rod with fur, producing a negative charge on the rod. The student then touches the rod to a hollow, neutral metal sphere that stands on an insulating plastic stand. This transfers negative charges from the rod to the sphere: Which statement best predicts what will happen to the charge, and why?

A It will distribute itself evenly over the surface of the sphere, because like charges repel and the sphere is a conductor.

B It will remain at the point of contact between the rod and the sphere, because resistance in the metal prevents the charges from easily moving.

C It will slowly drift to the bottom of the sphere, because the charges rapidly attach to individual atoms, making them slightly heavier than surrounding atoms.

D It will quickly spread to the air around the sphere, because it will seek to occupy as large a volume of neutral matter as possible.

Answers

Answer:

B It will remain at the point of contact between the rod and the sphere, because resistance in the metal prevents the charges from easily moving.

Explanation:

The rubber rod will distribute itself evenly over the surface of the sphere, because like charges repel and the sphere is a conductor. So, the correct option is A.

What is Conductor?

A conductor is defined as an object or type of material that allows the flow of charge in one or more directions where materials made of metals are common electrical conductors. The property of conductors that allows them to conduct electricity is called conductivity while the flow of electrons in a conductor is called electric current.

In the given example, the rubber rod will distribute itself evenly over the surface of the sphere, because like charges repel and the sphere is a conductor. Some common conductors examples are copper, aluminum, gold, and silver.

Therefore, the correct option is A.

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whats can shot up faster a small or a big parachute????

Answers

i think a small one would

If you use no parachute then you would fall faster, the size affects the speed of falling, large has more air it was go slow. So a small one would go faster

What is one cue you need to follow when shooting a basketball?
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thanks!

Answers

Form it’s all about form when you shoot the ball should roll off your finger tips, and rotate

Answer:

We Use The Cue Start Small End Tail. And We Would Use Cues Like "bend knees Push the hips back" "sit back

Explanation:

So We Like Start Small End Tall" Better Because It Not Only Reminds The Shooter To Explode Into Their Shot By Pushing Their Hips Back.

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