Answer:
Incorrect
Explanation:
the Proton and electron do not enter the same magnetic field
the Electron is opposite of the Proton.
So if u have a magnet with a side with Proton and a side with electron they would attract
if they are two of the same, they will separate
ur welcome:)
correct me if i’m wrong
brainliest please?
Which statement describes the electric field around a negative charge?
Lines with arrows that point outward radiate from the charge in all directions.
step-by-step-Explanation: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 :)
When a nucleus emits an alpha particle, the mass number of the nucleus ____________. (2 points)
a
decreases
b
increases
c
remains the same
d
doubles
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.
The product of an object's mass and velocity is it's
A) acceleration
B) inertia
C) momentum
D) weight
Answer:
C) Momentum
Explanation:
Refers to an objects mass in motion.
Which one of the following types of electromagnetic wave travels through space the fastest?
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:
Which color of visibe light has a lower frequency than orange light
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.
A student designs an experiment where he takes a small wood car with 1.0 inch diameter wheels and rolls it down a ramp. The student measures the speed of the car when it reaches the bottom of the ramp. The student then takes a small plastic car with 1.5 inch diameter wheels and repeats the process. Finally, the student takes a small metal car with 2.0 inch diameter wheels and repeats the process a final time. The student notes that the metal car had the fastest speed at the bottom of the ramp
Which statement accurately describes a P wave? Question 11 options: A) A P wave moves particles up and down or side to side. B) A P wave can move through solid rock only. C) A P wave travels more slowly than an S wave. D) A P wave can travel through liquids.
Option D is correct. P wave can travel through liquids. P stand for the primary of pressure wave.
What is 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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What is the force of gravity (in newtons) acting between the earth and a 5 kg bowling ball that is resting on the surface of the earth
Answer:
49 N
Explanation:
F = m a
= 5 * 9.81 =~ 49 N
Which type of electromagnetic radiation is commonly used to cook meals!
O A. Ultraviolet radiation
O B. Radio waves
O C. Gamma rays
O D. Microwaves
Give the following capacitor color codes : ORANGE VIOLET YELLOW WHITE RED
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
please take 50 points please help me
please
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.
What are data?
A. Pieces of information recorded in an experiment
B. Sources that summarize a primary source
C. Educated guesses about the outcome of an experiment
D. Variables that are adjusted by the experiment
Answer:
educated guesses about the outcome of an experiment
If the distance between two objects is decreased to 1 10 of the original distance, how will it change the force of attraction between them?
A. The new force will be 100 times more than the original.
B. The new force will be 20 times more than the original.
C. The new force will be 1 20 of the original.
D. The new force will be 1 100 of the original.
E. The new force will be 1 10 of the original.
hurryyyyyy!!!!!!!
All of the following use subjective scoring EXCEPT:
A. Diving
B. Figure Skating
C. Archery
D. Gymnastics
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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Move 13 m west and then 8 m east?HELP!!!
Answer:
Displacement will be 5m west
Distance would be 21m No direction
An Elevator system uses a weight of a math of 1200 kg in order to raise the elevator
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.
What is an area under the line?
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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Suppose you want to calculate how much work it
takes to life a 180 N barbell. Besides the mass of the
a
barbell, what other information do you need to
Mass is not necessary the main thing we need is Displacement
As
W=FDOr
Work done=Force×DisplacementThe amount of work done is calculated as the force exerted to remove a object to D distance .
Group the labels according to the type of force they describe
Contact, no contact or both
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.
What are some examples of these forces?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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Which of the following is not an air pollutant?
1. carbon dioxide
2. carbon monoxide
3. particulate matter
4. sulfur dioxide
If one examines the stars on a really dark night away from the glare of city lights, some stars appear distinctly reddish in color and other appear brilliant blue. why does this happen?
Answer: The stars do not shine brighter than the sun.
Explanation: The sun is the brightest star
Now
For brilliant blue
Every star has their solar systemsMany plants move around themWhen one of the planets come in between our sight and that star that glimpsesWhich activity is the first step in the scientific method? Question 5 options: reporting a conclusion forming a hypothesis examining date gathering data
Forming an hypothesis is the first step in the scientific method.
HypothesisA 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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A certain electric circuit obeys Ohm's law. If the resistance of the circuit is doubled, what will happen to the current through the circuit?
Answer:
currrent will be halved
Explanation:
v = ir
v/r = i multiply both sides by 1/ 2
v / (2r) = 1/2 i
2 kg
Use 10 m/s2 for g
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
Through which of the following would sound travel fastest?
A) Outer space
B) The atmosphere
C) Ocean water
D) A railroad track
Answer: ??? D? dont quote me on it tho <3
Explanation:
Answer:
B
Explanation:
what property of iron can you use to separate nails from a mixture of glass wood and gravel??
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.
take 50 points please help me these two questions
[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+
True or false: In order to create a sound wave, work must be done.
True - Because a sound wave carries energy; to propagate energy, energy must be applied for the sound wave to carry energy.
Complete the sentence: Congruent means ____________________.
too long
opposite
uneven
equal
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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What is the FUNCTION of cilliated
epithelium (the cilia) in the lining of the
trachea and bronchi?
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
Jeff is 22 years old, just started his first job, and knows he should start saving for retirement. He wants to divide his investments between stocks and bonds. Give Jeff specific asset allocation advice (using percents) and briefly explain why you are suggesting this plan.
It is advisable that Jeff should begin to save about 5% of his income to serve as his retirement plan.
Why do you save for retirement?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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