a proton and an electron enter the same magnetic field

Lines with arrows that point outward radiate from the charge in all directions.

step-1.For a positive point charge the lines will radiate out ward equally in all directions.

step-2.For a negative point charge the lines will point inward equally in all directions.

i hop this help :)

Answer:

educated guesses about the outcome of an experiment

True - Because a sound wave carries energy; to propagate energy, energy must be applied for the sound wave to carry energy.

Answer:

49 N

Explanation:

F = m a

 = 5 * 9.81 =~ 49 N

Answer:

C) Momentum

Explanation:

Refers to an objects mass in motion.

Answer: ??? D? dont quote me on it tho <3

Explanation:

Answer:

B

Explanation:

Option D is correct. P wave can travel through liquids. P stand for the primary of pressure wave.

A wave is a phenomenon that flows across a material medium without leaving any lasting mark. Mechanical or electromagnetic waves can be used to classify it. Transverse and longitudinal are the two main forms.

P waves are sometimes known as primary waves or pressure waves. The earliest waves of an earthquake are known as P waves.

P waves may pass through any medium, including liquids, gases, and solids. P waves can't move particles up and down or side to side.

P wave can travel through liquids. P stand for the primary of pressure wave.

Hence, option D is correct

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Calculate the area under the line (integrate)

Quite easily you would know that Work done is force times displacement. So by finding the area under the line he could easily tell the work done

Jordan is using a graph to solve this problem, and the last step in the process would be to calculate the area under the line.  The answer is option D.

In the context of graphs, the area under the line refers to the area enclosed between a line on a graph and one of the axes. The area can be calculated by finding the product of the base of the shape formed by the line and the axis, and the height of the shape, which is the vertical distance between the line and the axis.

For example, in a force-displacement graph, the area under the line represents the work done by the force on an object as it is displaced. By finding the area under the line on this graph, you can calculate the amount of work done on the object by the force.

Here's a brief explanation of the steps involved in solving this problem using a graph:

Step 1: Draw the axes for a force vs. displacement graph.

The x-axis represents displacement and the y-axis represents force. Mark the point where the weight is released (displacement = 0, force = 0) and the point where it falls 45 meters (displacement = 45, force = 1,200 * g, where g is the acceleration due to gravity).

Step 2: Draw the line on the graph.

Draw a straight line connecting the two points on the graph.

Step 3: Calculate the gravitational force.

Calculate the force due to gravity acting on the weight by multiplying its mass (1,200 kg) by the acceleration due to gravity (9.81 m/s^2):

F = m * g

F = 1,200 kg * 9.81 m/s^2

F = 11,772 N

Step 4: Calculate the area under the line.

The area under the line represents the work done on the weight by gravity. To calculate this area, we need to find the area of the triangle formed by the line and the x-axis:

Area = (base * height) / 2

Area = (45 m * (1,200 * g) N) / 2

Area = 26,460 J

Therefore, the work done on the weight by gravity when it falls 45 meters is 26,460 J. The correct option is D i.e Calculate the area under the line.

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Answer:

See below

Explanation:

At point A    the PE = mgh = 2 * 10 * 1 = 20 J

  at point B, all of the PE , 20 J , is converted to Kinetic Energy

KE = 1/2 m v^2

20 = 1/2 (2)(v^2 )

20 = v^2     v = sqrt 20 = 4.47 m/s

for the friction part

 vf = vo t  + 1/2 a t^2      vf = final velocity = 0 (stopped)

                                       vo = original velocity = 4.47 m/s  

                                         a = -1 m/s^2

  0 = 4.47 t + 1/2 (-1) t^2

            - .5t^2  + 4.47 t = 0

                 t ( -.5t+ 4.47) = 0    shows t =  4.47/.5 = 8.9 seconds

Answer:

The magnetic separation

Explanation:

It is a process in which magnetically susceptible material is extracted from a mixture using magnetic force. This is best way to separate the mixture of sand and iron fillings as iron is attracted by magnet.

I am using a calculator for this question so hopefully this helps + I added working out just in case.

a) mean - 124 (add them all together then divide by 25)

b) standard deviation - 7.776888838 (7.76 to d.p)

c) the person might have eaten foods that increase or decrease the BP so every time they took their blood pressure, it might not have been done as the same routine as others (if this makes sense). Also, some blood pressures are lower than others like for example some might go down to 110 but others go all the way up to like 132, does why I said that they might have eaten food or done activites that increases the blood pressure.

Mass is not necessary the main thing we need is Displacement

As

Or

The amount of work done is calculated as the force exerted to remove a object to D distance .

red having the frequency of 4.62 and at its limit 4.29 has the lowest frequency. It is the lowest before orange which has 5.00.

We can confirm that a contact force would be one in which physical contact is needed, while a no contact force does not require contact.

There are many everyday examples to be used to describe each of these forces. A very common no contact force is gravity. The Earth's gravity exerts a force on all things near the planet, but it does not need to be in physical contact to exert this force, thus making gravity a no contact force. An example of a contact force would be if you were to push another person. You are exerting a force that requires physical contact.

Therefore, we can confirm that a contact force would be one in which physical contact is needed, while a no contact force does not require contact.

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Explanation:

In the trachea's inner layer, you have small, hair-like structures called cilia. Cilia move in rhythm to push mucus out of your trachea so that you either expel or swallow it

Answer:

currrent will be halved

Explanation:

v = ir

v/r = i      multiply both sides by  1/ 2

v / (2r) = 1/2 i  

Answer:

equal

Explanation:

If all three corresponding sides are equal and all three corresponding angles are identical in measure, two triangles are said to be congruent. These triangles can be slides, rotated, flipped and turned to be looked identical. If repositioned, they coincide with each other. The symbol of congruence is' ≅'.

Congruent means equal, as it is a term used to describe two or more objects or figures that have the same shape and size.

When two or more figures or things have the same size and shape, they are said to be congruent.

When we state that two things or figures are congruent, we mean that their lengths, angles, and proportions are all the same.

The idea of congruence is that there should be no distinction or contrast between the things being compared. It denotes complete equality and a perfect match.

Congruence informs us that all geometric shapes, including line segments, angles, triangles, and others, are the same and can be placed on one another without overlap or gaps.

Thus, a fundamental idea in geometry called congruence enables us to evaluate and contrast geometric forms and their characteristics.

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[tex]\\ \rm\Rrightarrow T=2\pi\sqrt{\dfrac{l}{g}}[/tex]

[tex]\\ \rm\Rrightarrow T^2=4\pi ^2\dfrac{l}{g}[/tex]

[tex]\\ \rm\Rrightarrow l=\dfrac{T^2g}{4\pi^2}[/tex]

If we solve it we get it in between 60 -80

So

Our average breath rate is 17-20

So the ratio will come near 4+

Answer:

When a nucleus emits an alpha particle, the mass number of the nucleus A. decreases!!!

Explanation:

An atom releases a Alpha particle, its atomic number decreases by two and its mass number decreases by 4.

It is advisable that Jeff should begin to save about 5% of his income to serve as his retirement plan.

Retirement refers to such a time when one is no longer involved in actual work. It is important that a person ought to save up some money for use via a retirement plan.

It is advisable that Jeff should begin to save about 5% of his income to serve as his retirement plan since he still has many years of work ahead of him.

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Answer:

Displacement will be 5m west

Distance would be 21m No direction

Forming an hypothesis is the first step in the scientific method.

A hypothesis can be defined as a guess as to what will happen during your experiment. Hypothesis can in other terms be defined as a proposed explanation for a phenomenon. For a hypothesis to be a scientific hypothesis, the scientific method requires that one can test it. Scientists generally base scientific hypotheses on previous observations that cannot satisfactorily be explained with the available scientific theories.

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Answer:

As a result, light travels fastest in empty space, and travels slowest in solids. In glass, for example, light travels about 197,000 km/s.

Explanation:

Answer:

Orange: 3

Violet: 7

Yellow: 4

White: 9

Red: 2

Answer:Orange: 3Violet: 7Yellow: 4White: 9Red: 2

Explanation: is that what you looking for

All of the following use subjective scoring EXCEPT Archery.

Subjective scoring is an important and powerful tool you can use to add assessment items that are not easily scored.

Archery is scored based on point values that is assigned to the rings made on the target. Others are not point scoring sports.

Thus, all of the following use subjective scoring EXCEPT Archery.

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Answer: The stars do not shine brighter than the sun.

Explanation: The sun is the brightest star

Now

For brilliant blue