Answer:
The amplitude is a measure of its change in a single period (such as time or spatial period)
what is amplitude?
Answer:A periodic variable's amplitude is a measure of its change across a single period, such as time or space. Amplitude is defined in a variety of ways, but they're all based on the size of the disparities between the variable's extreme values. The amplitude of a periodic function is sometimes referred to as the phase in older writings texts.
-------------------------hope it helps...have a great day!!is the Matter is made up of motionless particles.
Answer:
All matter is made up of atoms.
The diameter of a watermolecule is 0.000000000275 m. How can this number best be expressed in scientific notation
Answer:
2.75x10⁻¹⁰m
Explanation:
By scientific notation, we have to express 0.000000000275 m in powers.
This can be done by counting the number of zeros after the decimal and the number after 0 which is 2.
from 2 to the decimal point, we have 10 characters
so we express it scientifically as,
= 2.75x10⁻¹⁰m
for easy understanding. i have added an attachment to help you out on how to do this.
Question:
A race car slows with an average acceleration of –8.0 m/s2 (negative sign shows deceleration). The car’s initial velocity is 100.0 m/s, how far does it travel in 12.0 seconds? Explain how you arrived at your answer?
Use the equations
Answer:
[tex]624\:\mathrm{m}[/tex]
Explanation:
We can use kinematics equation [tex]\Delta x =v_it+\frac{1}{2}at^2[/tex].
What we're given:
[tex]v_i[/tex] of 100.0 m/s[tex]t[/tex] of 12 s[tex]a[/tex] of -8.0 [tex]\mathrm{m/s^2}[/tex]Solving for [tex]\Delta x[/tex]:
[tex]\Delta x=100\cdot 12+\frac{1}{2}\cdot -8\cdot 12^2=\boxed{624\:\mathrm{m}}[/tex]
What is the net force on the object represented by the FBD below?
Answer:
Explanation:
35 up 35 down cancel out.
25 forward minus 10 pulling back, so:
25-10
= 15N Right
Which term describes an area of low density in a longitudinal wave?
A. Crest
B. Compression
C. Rarefaction
D. Trough
Answer: rarefaction
Explanation: correct answer on a p e x
Rarefaction term describes an area of low density in a longitudinal wave.
What is wave ?Wave is a disturbance in a medium that carries energy as well as momentum . wave is characterized by amplitude, wavelength and phase. Amplitude is the greatest distance that the particles are vibrating. especially a sound or radio wave, moves up and down. Amplitude is a measure of loudness of a sound wave. More amplitude means more loud is the sound wave.
Wavelength is the distance between two points on the wave which are in same phase. Phase is the position of a wave at a point at time t on a waveform.
There are two types of the wave longitudinal wave and transverse wave. Longitudinal wave : in which, vibration of the medium (particle) is parallel to propagation of the wave. Sound wave is a longitudinal wave. Transverse wave : in which, vibration of the medium (particle) is perpendicular to propagation of the wave. Light wave is a transverse in nature wave.
In Longitudinal wave, wave carries energy and momentum with compression and rarefaction. Compression is region of high density, in this region particles of the medium is compressed. rarefaction is region of expansion and it is low density region of longitudinal wave.
Hence option C is correct.
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#SPJ7.
The base for hair follicles is in the _____.
epidermis
fatty layer
dermis
dentin
Answer:
dermis
Explanation:
epidermis
dermis
hypodermis
For each statement in the rows, select the most suitable option (words) in the columns. One selection for each row.
Series Circuits. Parallel Circuits. Series and parallel circuit.
The total voltage across
each component is the
same as the total voltage
being supplied to the circuit .
The Current is the equal at
all parts of the circuits.
Total current is divided among all
the components in the circuits.
The voltage is divided into all the
components in the circuits.
Answer:
the answer is most likely likely to be 2
An engine has an imput of 100 j and gives out 27 j of useful kenetic energy what is the efficiency of the engine
Answer:
Based on what we have learned so far, in what ways have the experiences of Asian-Canadians stayed the same over time? Why do you think these similarities exist? Please give specific examples to support your ideas.
Explanation:
What is the capacitance of a capacitor that has 7.9 x 107 C of charge and a potential
difference of 12.0 V?
Answer:
6.58×10⁶ F
Explanation:
Applying,
Q = CV..................... Equation 1
Where Q = charge of the capacitor, C = Capacitance of the capacitor, V = Volatage
Make C the subject of the equation
C = Q/V................. Equation 2
From the question,
Given: Q = 7.9×10⁷ C, V = 12.0 V
Susbtitute these values into equation 2
C = 7.9×10⁷/12
C = 6.58×10⁶ F
38. Joey set a school record for running the 200 m race. He completed the distance in
20.6s. What was his average speed?
Answer:
9.7 miles per second
Explanation:
divide 200 by 20.6
Which of the following is not true about electric potential energy?
It depends on how much charge is moving through the field
It can be measured in joules
It can be measured in calories
It is a measure of how strong the electric field is only
Answer:
the second one
Explanation:
When a free positive charge q is accelerated by an electric field, such as shown in Figure 1, it is given kinetic energy. The process is analogous to an object being accelerated by a gravitational field. It is as if the charge is going down an electrical hill where its electric potential energy is converted to kinetic energy. Let us explore the work done on a charge q by the electric field in this process, so that we may develop a definition of electric potential energy.
The electrostatic or Coulomb force is conservative, which means that the work done on q is independent of the path taken. This is exactly analogous to the gravitational force in the absence of dissipative forces such as friction. When a force is conservative, it is possible to define a potential energy associated with the force, and it is usually easier to deal with the potential energy (because it depends only on position) than to calculate the work directly.
If the charge q is placed at the centre of the line joining two equal charges Q such that the system is in equilibrium then the value of q is? <br /><br />Really need it, with a good explanation, will appreciate such answer.
Let's just suppose this situation, so it's like this;
Q --------------- q --------------- Q
Now, acc. to the question, the system is equilibrium which means that possibly both the Q should be exerting some pressure on the middle charge q, so let's suppose Q be +ve and q be -ve
The charge that we have kept at a certain distance something like this;
+Q --------------- -q --------------- +Q
<––– d ––– > <––– d ––– >
Now, we +Q will be exerting some force on the another +Q that it should be acc. to columbs law like this;
F = k × Q1Q2/r²
F = k × QQ/(2d)²
F1 = k × Q²/4d²
Also, when this +Q will exert force on -q, it could be written as;
F = k × Q1Q2/r²
F2 = k × Qq/d²
From the question, we know that the system is a equilibrium which means that these two force F1 and F2 will be equal to each other;
= k × Q²/4d² = k × Qq/d²
Eliminate the common values= Q/4 = q
Wait wait! The answer had still not came! remember this q is actually -q?= Q/4 = -q
= -Q/4 = q
So, the charge on q is -Q/4.
-------------------------------------------
Have already answered this question, but still!
1) Complète les phrases suivantes en remplaçant
chaque numéro par le mot convenable:
• Pour l'oeil 1, l'image est formée en avant de la
rétine, car l'oeil est trop long.
• Pour l'oeil 2, l'image est formée derrière la
rétine, car l'oeil est plus court.
2) Trouve la place de la lentille convergente, ainsi
que les 2 foyers principaux (F) et (F').
Answer:
si?
Explanation:
definition La myopie. L'oeil myope est trop long ou le cristallin trop convergent. L'image d'un objet à l'infini se forme en avant de la rétine. Le punctum remotum est ... i dont know sorry
Of the following, which is a renewable energy resource?
a.
coal
c.
geothermal energy
b.
kerosene
d.
natural gas
Please select the best answer from the choices provided
A
B
C
D
coal or natural gas i think
A spring extends by 10cm when a mass of 100g is attached to it. What is the spring constant?
Answer:
10N/m
Explanation:
Using F=kx
F=mg
k=mg/x
k=0.1*10/0.1 (kg*m/s^2)/m
10N/m
What kind of proof is required when disproving old ideas?
A.
Experimental evidence that supports the new idea
B.
Survey results that show popular support for the new idea
C.
Peer review that does not support the new idea
D.
A well-stated hypothesis that shows the new idea can be tested
Experimental evidence that supports the new idea
What force was required to accelerate a 20 kg object at a rate of 3 m/s/s?
Please help ASAP
Answer:
Explanation:
This is a simple F = ma problem. I'm assuming because of the representation of the numbers that you are not that into sig figs in class, so I will ignore them, against my better (physics teacher) judgment:
F = (20)(3) so
F = 60 N
We know that,
F = ma
Where f is force,m is mass & a is acceleration.From ques. we have;
mass = 20 kgAcceleration = 3 m/s²So,
F = 20 × 3
F = 60 N
what happens to the particles in a substance when temperature rises
Answer:
They gain kinetic energy
Explanation:
When the temperature of the particles in a substance rise, its internal energy increases. This internal energy is thus translated to kinetic energy of the particles in the substance. If the substance is a solid, as the kinetic energy increases, the vibrations of the particles of the substance increases causing it to undergo a change of state to liquid when the temperature reaches its melting point.
This change of state also occurs from the liquid state to the gaseous state as the internal energy of the substance, and thus the kinetic energy of the particles increase when the temperature reaches the substance's boiling point.
So, as the temperature of a substance rises, the particles of the substance gain kinetic energy.
which phrase best descirbes how scientists use the data they collect
Answer:
Please give the context of questions
Explanation:
It really helps people answer your questions. thanks
How many dots belong in the electron dot diagram of a boron (B) atom?
three
five
eight
thirteen. pls let me know I have been working on this for 9 hours
The answer is five dots.
sorry i meant three dots not five
Jeremy is pushing his two children on a set of swings. He gives his daughter a push and she swings
Jeremy gives his son the same push, but he only swings about two feet high. What could account f
the kids got?
Jeremy's daughter has more mass, so it takes less force to get her into the air.
Jeremy's son has more mass, so it would take more force to reach the same height as his da
O
Jeremy's son has less mass, so it would take more force to reach the same height as his da
O
Jeremy's daughter has more mass, so she accelerates faster than his son.
Which is true? I. It takes positive work to bring like charges together. II. Electric field lines always point in the direction of decreasing electric potential. III. If a negative charge moves in the direction of the electric field, its potential energy decreases
Answer:
Sentence III
Explanation:
I. It takes positive work to bring like charges together.
Using Coulom law we know that like charges will feel a repulsion force that meen that if we want to put them together we are going againt the force, this means we need a negative work. So is False.
II. Electric field lines always point in the direction of decreasing electric potential.
The elctrical fiels depend on the charge of the particle. So if the particle is positive the field will point always outwart the charge, and if the particle is negative, the electric field will point to the charge. Also, we know that the potential is bigger clouser to the charge, so this sentence is folce when we have a negative charge. So is False.
III. If a negative charge moves in the direction of the electric field, its potential energy decreases
If a negative particle move in the direction of the elctric field in bout cases the potential will decrease. If we have a positive charge the electron will be atracted by the field, How ever the electric fild is pointing in the other direction, for that reason will decrease.
Round off the following numbers to three significant digits:
43.659
Answer: 43.7
Explanation: Simply round the number so that there are only three digits in the number.
We have that 43.659 rounded to three significant digits is
[tex]43.659=43.7[/tex]
From the Question we are Given
Integer=43.659
To round off to three significant digits means to represent only three digits
Therefore
43.659 in three digits is
[tex]43.659=43.7[/tex]
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If 175 kJ of heat caused a chunk of ice at 0°C to melt to liquid water at 0°C, how many moles were in the ice? How many grams of ice? (Note: molar mass of ice/water is 18.02 g/mol)
Answer is 29.1 mol or 525 g
Explanation:
Para investigar - Posición del cuerpo en general. - Posición de la cabeza. - Posición de los brazos y manos. - Apoyo de los pies. - Como deben ser los movimientos.
Answer:
Algunos se mueven en dos direcciones y algunos se mueven en las cuatro direcciones.
Explicación:
Para investigar la posición del cuerpo en general, la posición de la cabeza, la posición de los brazos y manos y los pies tienen algunos movimientos específicos. Algunos se mueven hacia arriba y hacia abajo significa en dos direcciones mientras que el otro se mueve en todas las direcciones. Los brazos se mueven solo hacia adelante y hacia atrás, mientras que, por otro lado, los pies, la mano y la cabeza se mueven hacia la izquierda, la derecha y hacia arriba y hacia abajo.
If the angle of a light ray in air is 25∘ and it enters a substance with a refracted angle of 13∘, what is the index of refraction of the substance?
A). 0.65
B). 0.53
C). 1.92
D). 1.88
Answer:
Explanation:
The formula for this is
[tex]n_1sin\theta_1=n_2sin\theta_2[/tex] where the index of refraction of air is 1.00. Filling in and solving for n2:
1.00sin(25) = n₂sin(13) and
1.00(.423) = n₂(.225) and
[tex]\frac{1.00(.423)}{.225}=n_2[/tex] so
[tex]n_2=1.88[/tex], choice D.
While driving on Fairway Drive, you see a pedestrian in the crosswalk, so you step on the brakes. If you decelerate at a rate of -2.4m/s2 and you were originally driving at a rate of 24 miles per hour (*hint convert to m/s), how long would it take you to come to a full stop. Please give your answer in seconds.
8892 ml to grams then to mg
Answer:
8892 ml = 8892 gm = 8892000 mg
1 ml = 1 gram
8892 ml = 8892 gram
1 gram or ml = 1000 milligram
8892 ml = 8892 × 1000 = 8892000 milligram
hope this helps
have a good day :)
Explanation:
remember: 1 kilogram = 1000 gram = 1000000 milligram.
Milliliter is expressed same as gram and liter is expressed same as kilogram.
1 meter = 100 cm, 1 kilometer = 1000 meter,
1 cm = 10 millimeter.
You can't convert ml to gm unless you know the substance. They're all different.
Pls explain the nature of the image formed by the pin-hole camera
Answer:
→Inverted image ( upside down )
→Real image ( because it is formed on the screen )
→Magified image ( image size is greater than object size)
In which direction does the frictional force act on the cube? A) upwards B) downwards C)in all the directions D) side to side
Answer:
D) side to side
Explanation:
The frictional force act on the cube in the side to side direction. The friction force acts opposite to the direction of the motion of an object which reduces its speed or sometimes prevent it from moving from one place to another. In order to reduce the force of friction, the body has to move by rolling instead of sliding and use of lubrication on the surface on which the object moves.
