Which chart correctly describes the properties of magnets and electromagnets?

Answers

Answer 1

Answer: I'm gonna take a long shot here and say C. This is just based on common sense, sense electromagnets happen when electricity goes around a copper coil, as far as I know.

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As volume increases mass will__

What characteristic of life would maintaining this balance be

Answers

Explanation:When any living organism gets thrown off balance, its body or cells help it return to normal. In other words, living organisms have the ability to keep a stable internal environment. Maintaining a balance inside the body or cells of organisms is known as homeostasis.

3. What type of current is produced by a battery? (1 pointparallel current
alternating current
direct current
potential current

Answers

Answer:

directcurrenthopethishelped:)

The rotational speeds of four generators. are listed in RPM arrange the generators in order based on the electric fields they create. Start with the weakest electric field and end with the strongest. Assume that the generators are identical except for their speed

Answers

with the same generator, so the only factor for producing

the slectric field is only the speed. The faster the rotational speed of the

generator the greater it produce electric field. So the sequence is 3000 rpm

< 3200 rpm < 3400 rpm < 3600 rpm

A ball rolls with a speed of 4.0 m/s across a level table that is 1.0 m above the floor. Upon reaching the edge of the table, itfollows a parabolic path to the floor. How many meters along the floor is the landing spot from the table?

Answers

Answer: 1.81m

Explanation:

Given the following:

Horizontal speed = 4m/s

Height of table = 1m

Taking the vertical component of the motion:

Using:

S = ut + 0.5 at^2

Where, S = height of table, a = acceleration due to gravity (9.8m/s^2), t = time and u = Initial Velocity in vertical direction = 0

1 = 0(t) + 0.5(9.8)t^2

1 = 4.9t^2

t^2 = 1 / 4.9

t^2 = 0.204081

t = sqrt(0.204081)

t = 0.452s

For Horizontal :

Gravitational acceleration is absent, therefore distance can be calculated using:

Distance = Velocity × time

Distance = 4m/s × 0.452s

Distance = 1.808 m

Distance = 1.81m

How does air and water affect a nail?

Answers

Well for starters...... Air particles are all around. They try to attach to pretty much everything. ( If you know what I mean ) Next water is hard to make it stick with just water..... So you could say to use a chemical to make it fully stick to the actual nail itself. I hoped that this helped.

I think that it is the oxygen in the air and in the water that affects the nail because most nails are made of iron and oxygen+Iron= Oxidation which is rust.

Explain why atoms move at different speeds depending on whether they are in liquid or solids

Answers

Atoms move a lot faster in liquid because the molecules have more room to move freely. On the other hand, in a solid the molecules are very tight together, giving them little room to wiggle around.

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A weight machine ____.A) Decreases the amount of input force requiredB) reduces the amount of input workC) changes the direction of the input forceD) increases the input distance

Which phrase describes an atom?

The state of matter that keeps its shape and volume when it is placed in different containers

What is the difference between chemical and physical changes