Answer:
Energy moves from one place to another through the wave. answer A
A wave is a disturbance that transmit energy. Thus, the correct statement is energy moves from one place to another through the wave.
What is a wave?A wave is a disturbance that transfers energy as it moves from one point to another.
Different terminologies are used to characterise a wave as it travels. Some of these include
Wave speed Wave crest Wave Frequency Wave Period Wavelength Wave troughAmplitude etcConsidering the question given above, we see clearly from the definition of wave that the energy is transferred as the wave is moving.
Thus, we can conclude that the correct answer to the question is energy moves from one place to another through the wave
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APPLYING MAIN IDEAS
How did Bartolomé de Las Casas attempt to help Native Americans?
a.
He petitioned for shortening their workday in the mines.
b.
He convinced Spanish merchants to sell Native American goods around the world.
c.
He asked the king of Spain to enact laws prohibiting their enslavement.
d.
He convinced the Spanish government to grant encomiendas to settlers.
A car traveling 60 miles west (-) stops and then travels another 20 miles
west (-). The car then loops around and travels back to the east (+) a total
of 10 miles. What is the displacement of the car?*
Answer:
128
Explanation:
One clomiter is 1.06 multipled by 80
What should be the ending of the second element in a covalent compound?
-ide
-ium
the prefix
the subscript
Answer:
-ide
Explanation:
the second element is names by taking the stem of the element name and adding -ide. a system if numerical prefixes is used to specify the the number if atoms in a molecule.
Answer:
A. -ide
Explanation:
PLEASE HELPP
Select the correct answer.
Which item is made from a synthetic material?
cotton pants
leather jacket
tissue paper
wicker basket
Answer:
Tissue paper
Explanation:
Tissue paper is made from a synthetic material
what are the main components of circulatory system and what is the function?
Answer:
Explanation:
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
A soccer player runs 80 yards down the field and then 30 yards back toward her
original starting point. This takes 55 seconds total. What is the average velocity of
the soccer player?
0.50 yd/s
0.91 yd/s
1.10 yd/s
2.00 yd/s
A fixed particle with charge –8.8 nC and a second particle with charge –4.3 nC, respectively, are initially separated by a distance of 0.11 m. They are released and the second particle moves 0.030 m. A) What is the change in electric potential energy? B) Did the second particle move toward or away from the source charge?
Answer:
(a). The change in electric potential energy is 8.3 μJ.
(b). The second particle moves away from the source charge.
Explanation:
Given that,
Charge of first particle = -8.8 nC
Charge of second particle = -4.3 nC
Distance = 0.11 m
They are released and the second particle moves 0.030 m,
(a). We need to calculate the change in electric potential energy
Using formula of potential energy
[tex]U=\dfrac{Kq_{1}q_{2}}{d}[/tex]
Change in potential energy
[tex]\Delta U=\dfrac{kq_{1}q_{2}}{d_{2}}-\dfrac{Kq_{1}q_{2}}{d_{1}}[/tex]
Put the value into the formula
[tex]U=\dfrac{9\times10^{9}\times(8.8\times10^{-9}\times4.3\times10^{-9})}{0.030}-\dfrac{9\times10^{9}\times(8.8\times10^{-9}\times4.3\times10^{-9})}{0.11}[/tex]
[tex]\Delta U=0.000008256\ J[/tex]
[tex]\Delta U=8.3\ \mu J[/tex]
(B). We need to find the second particle move toward or away from the source charge
We know that,
Both charges are same, so the second particle will be repul from the source charge.
So, The second particle moves away from the source charge.
Hence, (a). The change in electric potential energy is 8.3 μJ.
(b). The second particle moves away from the source charge.
Which vector points in the direction of the centripetal acceleration of the plane
Answer:
d
Explanation:
PLEASE HELP ME FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
Basketball has a mass of 0.1kg
m = 0.1 kg
The basket ball is moving at constant speed, this shows that it is not accelerating. So, acceleration is zero
a = 0m/s²
The constant speed is 6m/s
v = 6m/s
So, force to keep it moving with this constant speed can be calculated using Newton second law of motion
F = ma
F = m × 0
F = 0N
So, since the basket ball is moving at constant speed, then, the force need to keep the ball moving is 0N.
At the start of a hockey game the record a job at the puck between two players from the opposing team. Each player wants to push the puck in the opposite direction. For several seconds the park does not move even though both players are pushing on it with the hockey sticks. What forces are acting on the puck, why the park does not move, and how one of the players could get the park to move in a direction they want
Answer:
1) The forces acting on the puck are the forces applied by the two players in their bid to push the puck in the opposite direction
2) The puck does not move because the forces applied by the two players are equal and opposite
3) A player can get the puck to move in the direction they want by increasing the force acting in the direction they want the puck to move
Explanation:
A block measuring 20cm by 10cm by 5cm rests on a flat surface. Determine the maximum pressure it exerts on the surface.
True or False As most substances are cooled, they expand
Convert 360 ns to Ms
Answer:
the answer is ms no soubtrack360 degree
Explanation:
as if we combine ms with the ful form of ns(no soundtrack) we get ms no soundtrack and a 360 which is 360 degree
What do you guys like about school
Answer:
umm.....the teachers and friends
The drama, and friends.
fill in the line to complete each statement
Joints in train tracks are designed with extra space to allow for _____
In hot weather
Answer:
expansion
Explanation:
all metals are conductors of heat and this heat can wear down the tracks as trains go by. this extra spacing allows the tracks to expand and contract so that the tracks do not wear down
can alligators drink Gatorade
Answer:
Probably not my guy
Explanation:
A driver in a 500 kg car going 20 m/s sees a large box in the middle of the road 100 meters away. How much net force is required to get the car to stop without hitting the box?
50 POINTS AND WILL GIVE BRAINLY! THIS IS URGENT
Answer:
100
Explanation:
my apologies if I am wrong
An Alaskan rescue plane traveling 46 m/s drops a package of emergency rations from a height of 101 m to a stranded party of explorers. The acceleration of gravity is 9.8 m/s^2. Where does the package strike the ground relative to the point directly below where it was released? Answer in units of m.
Answer:
The package strikes 207 m at the ground relative to the point.
Explanation:
Given that,
Speed = 46 m/s
Height = 101 m
Acceleration = 9.8 m/s²
We need to calculate the time
Using equation of motion
[tex]s=ut+\dfrac{1}{2}gt^2[/tex]
Put the value in the equation
[tex]101=0+\dfrac{1}{2}\times9.8\times t^2[/tex]
[tex]t=\sqrt{\dfrac{2\times101}{9.8}}[/tex]
[tex]t=4.5\ sec[/tex]
We need to calculate the distance where the package strikes
Using formula of distance
[tex]x=vt[/tex]
Put the value into the formula
[tex]x=46\times4.5[/tex]
[tex]x=207\ m[/tex]
Hence, The package strikes 207 m at the ground relative to the point.
please type any energy transformation it will help a lot i would really appreciate it
prize: brainliest
Answer:
in electric lamp
Electric Energy to Heat and Light Energy
Explanation:
Answer:
Ex: an electric fan transforms electric energy to kinetic energy
Or
Chemical energy to heat and light energy
Explanation:
Hope this helps
define the term specific heat capacity of a substance and state its unit
Answer:
Hope this help
Explanation:
Specific heat capacity,c of a substance is the quantity of heat needed to raise the temperature of 1 kg mass of the substance by 1°C
Unit for c is J/kg/°C or J/kg/K
Which of the following represents a chemical change? (1 point)
Answer:
D
Explanation:
Splitting water into hydrogen and oxygen***
A recipe for a casserole calls for 1 cup of milk. If a chef currently has 0.5 gallons of milk, how many casseroles can the chef make?
Answer:
The chef can make 8 casseroles
Explanation:
Units Conversion
We need to recall 1 gallon = 16 US cups.
A casserole needs 1 cup of milk, and the chef has 0.5 gallons of milk. Those 0.5 gallons are equivalent to 0.5*16 = 8 cups, thus the chef can make 8 casseroles.
A wave has a frequency of 8 Hz, how long is the period?
A 16
B .125
C 64
D 8
Answer:
A is the answer because if you multiply 8 and 2 the period of wave frequency is 16Hz long.
Explanation:
Answer:
B 0.125 its a simple conversion
Which statement describes all solids?
Answer:
They contain loosely packed atoms.
Explanation:
What state of matter has the highest energy? Lowest?
Answer:
The highest state of matter in energy is gas. The lowest is solid.
Explanation:
The reason why is because gas is the highest conductor of electricity (which is why we have lightning). However, solids don't conduct electricity very well.
If the radius of atom is 4 × 10^-3 nm (Nano meter), so its diameter is: *
8 × 10^-12 m
8 × 10^-3 µm
8 × 10^-6 km
8 × 10^-9 cm
Answer:
8 x 10^-12
Explanation:
Radius = 4 x 10^-3nm = 4 x 10^-12 m
by the formula,
diameter = 2 x radius
diameter = 2 x (4 x 10^-12)
diameter = 8 x 10^-12 m
A physics student tossed a ball vertically straight upward.
Describe the magnitude of the ball’s vertical velocity at its highest position.
a. The magnitude of vertical velocity is zero.
b. The magnitude of vertical velocity is 9.8 m/s.
c. The magnitude of vertical velocity is at a maximum value.
d. The magnitude of vertical velocity cannot be determined.
Answer:
c. The magnitude of vertical velocity is at a maximum value.
Explanation:
I think this is correct I'm not entirely sure though
Answer:
Explanation: ns along perpendicular axes are independent and thus can be analyzed separately. This fact was discussed in Kinematics in Two Dimensions: An Introduction, where vertical and horizontal motions were seen to be independent. The key to analyzing two-dimensional projectile motion is to break it into two motions, one along the horizontal axis and the other along the vertical. (This choice of axes is the most sensible, because acceleration due to gravity is vertical—thus, there will be no acceleration along the horizontal axis when air resistance is negligible.) As is customary, we call the horizontal axis the x-axis and the vertical axis the y-axis. (Figure) illustrates the notation for displacement, where \mathbf{s} is defined to be the total displacement and \mathbf{x} and \mathbf{y} are its components along the horizontal and vertical axes, respectively. The magnitudes of these vectors are s, x, and y. (Note that in the last section we used the notation \mathbf{A} to represent a vector with components {\mathbf{A}}_{x} and {\mathbf{A}}_{y}. If we continued this format, we would call displacement \mathbf{s} with components {\mathbf{s}}_{x} and {\mathbf{s}}_{y}. However, to simplify the notation, we will simply represent the component vectors as \mathbf{x} and \mathbf{y}.)
Review of Kinematic Equations (constant a)
x={x}_{0}+\stackrel{-}{v}t
\stackrel{-}{v}=\frac{{v}_{0}+v}{2}
v={v}_{0}+\text{at}
x={x}_{0}+{v}_{0}t+\frac{1}{2}{\text{at}}^{2}
{v}^{2}={v}_{0}^{2}+2a\left(x-{x}_{0}\right)\text{.}
The total displacement \mathbf{s} of a soccer ball at a point along its path. The vector \mathbf{s} has components \mathbf{x} and \mathbf{y} along the horizontal and vertical axes. Its magnitude is s, and it makes an angle \theta with the horizontal.
A soccer player is kicking a soccer ball. The ball travels in a projectile motion and reaches a point whose vertical distance is y and horizontal distance is x. The displacement between the kicking point and the final point is s. The angle made by this displacement vector with x axis is theta.
Given these assumptions, the following steps are then used to analyze projectile motion:
Step 1.Resolve or break the motion into horizontal and vertical components along the x- and y-axes. These axes are perpendicular, so {A}_{x}=A\phantom{\rule{0.25em}{0ex}}\text{cos}\phantom{\rule{0.25em}{0ex}}\theta and {A}_{y}=A\phantom{\rule{0.25em}{0ex}}\text{sin}\phantom{\rule{0.25em}{0ex}}\theta are used. The magnitude of the components of displacement \mathbf{s} along these axes are x and \mathrm{y.} The magnitudes of the components of the velocity \mathbf{v} are {v}_{x}=v\phantom{\rule{0.25em}{0ex}}\text{cos}\phantom{\rule{0.25em}{0ex}}\theta and {v}_{y}=v\phantom{\rule{0.25em}{0ex}}\text{sin}\phantom{\rule{0.25em}{0ex}}\mathrm{\theta ,} where v is the magnitude of the velocity and \theta is its direction, as shown in (Figure). Initial values are denoted with a subscript 0, as usual.
Step 2.Treat the motion as two independent one-dimensional motions, one horizontal and the other vertical. The kinematic equations for horizontal and vertical motion take the following forms:
\text{Horizontal Motion}\left({a}_{x}=0\right)
x={x}_{0}+{v}_{x}t
{v}_{x}={v}_{0x}={v}_{x}=\text{velocity is a constant.}
\text{Vertical Motion}\left(\text{assuming positive is up}\phantom{\rule{0.25em}{0ex}}{a}_{y}=-g=-9.\text{80}{\text{m/s}}^{2}\right)
y={y}_{0}+\frac{1}{2}\left({v}_{0y}+{v}_{y}\right)t
{v}_{y}={v}_{0y}-\text{gt}
y={y}_{0}+{v}_{0y}t-\frac{1}{2}{\mathrm{gt}}^{2}
{v}_{y}^{2}={v}_{0y}^{2}-2g\left(y-{y}_{0}\right)\text{.}
Step 3. Solve for the unknowns in the two separate motions—one horizontal and one vertical. Note that the only common variable between the motions is time t. The problem solving procedures here are the same as for one-dimensional kinematics and are illustrated in the solved examples below.
Step 4.Recombine the two motions to find the total displacement\mathbf{\text{s}} and velocity \mathbf{\text{v}}. Because the x – and y -motions are perpendicular, we determine these vectors by using the techniques outlined in the Vector Addition and Subtraction: Analytical Methods and employing A=\sqrt{{A}_{x}^{2}+{A}_{y}^{2}} and \theta ={\text{tan}}^{-1}\left({A}_{y}/{A}_{x}\right) in the following form, where \theta is the direction of the displacement \mathbf{s} and {\theta }_{v} is the direction of the velocity \mathbf{v}:
Total displacement and velocity
s=\sqrt{{x}^{2}+{y}^{2}}
\theta ={\text{tan}}^{-1}\left(y/x\right)
v=\sqrt{{v}_{x}^{2}+{v}_{y}^{2}}
{\theta }_{v}={\text{tan}}^{-1}\left({v}_{y}/{v}_{x}\right)\text{.}
(a)
Reviewing old tests and quizzes will not help you determine what will be on a test because teachers don’t like to give students hints about what could be on future tests. Please select the best answer from the choices provided T or F
Answer: false
Explanation: on edg
It is false that reviewing old tests and quizzes will not help you determine what will be on a test because teachers don’t like to give students hints about what could be on future tests.
What is reviewing old tests?A test review verifies whether or not the modifications made to the code, data, or documentation are accurate.
In other words, it is an evaluation of the degree to which the stated goals have been attained that has been done at a set period.
Exam analysis might provide insights that can help you become a more self-sufficient learner.
You can improve your performance the next time you are tested by revising your strategy after reviewing returned examinations to learn why you made mistakes.
Thus, the given statement is false.
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One frequent sign of gender inequality in the United States is that women do not ___________. A. enjoy the same voting rights as men B. earn as much as men in similar occupations C. receive admission to college as much as men D. have equal power in most relationships
One frequent sign of gender inequality in the United States is that women do not earn as much as men in similar occupation. So, option (B) is correct.
What is gender inequality?Men and women are not treated equally in society, which social problem is referred to as gender inequality. Distinctions in genetics, psychology, or prevailing cultural norms in the society may be the cause of the treatment. While some of these distinctions are based on scientific research, others seem to be social constructs.
Numerous areas of study, such as education, life expectancy, personality, interests, family life, careers, and political affiliation, demonstrate the differences in gender experiences. Gender inequality impacts non-binary people and is experienced differently across cultural boundaries.
In the United States, One frequent sign of gender inequality is that women do not earn as much as men in similar occupations. So, option (B) is correct.
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Answer:
B
Explanation:
edge2020
can someone help me answer this? i dont get it and I need help before the next 30 minutes. ill give a brainiest to whoever helps me tyyy :)
Answer:
S=5.83...
Explanation:
s=d/t
Speed=distance/time
s=35/10
s=5.83...