PLEASE I NEED ANSWER BY 7:40!!!!!!!
1. Two students were discussing the color of a blue paper.
Student A said, The paper looks blue because the paper reflects light of a specific wavelength that our eye sees as blue.
Student B said, The paper looks blue because the paper reflects light of a specific frequency that our eye sees as blue.
What would you say to these students to help them understand?
Answer:
Student A is correct
Explanation:
Colored objects look the way they do because of reflected light. When sunlight is shined on a green leaf, the violet, red and orange wavelengths are absorbed. The reflected wavelengths appear green. In each case we are seeing the complementary colors to the ones absorbed.
If peak electricity use occurs around 2p. M. In the los angeles area and avoiding brownouts is more important to the installers of the pv panels than annual energy output, which of the following pv panel systems would be best to use in the area?.
The photovoltaic (PV) panel system which would be best to use in the Los Angeles area is no tracking, tilted west.
What is a PV panel system?A PV panel system is an abbreviation for photovoltaic (PV) panel system and it is also referred to as a photovoltaic module, solar cell panel, or solar electric panel.
Basically, a PV panel system is an assembly of photovoltaic cells that transforms light energy (sunlight) obtained directly from the Sun into electrical energy (electricity).
In this scenario, the photovoltaic (PV) panel system which would be best to use in the Los Angeles area is no tracking, tilted west because it prevent brownouts.
Read more on PV panel here: https://brainly.com/question/13486973
T or F? An electric field has strength, but no direction.????
Answer:
FALSE
Explanation:
an electric field has both magnitude and direction. it also has strength
What is the meaning of diversity and find evidence in the source which show that all South Africans should accept and honour diversity?
Diversity involves the inclusion of people which have various backgrounds and differences.
What is Diversity?This involves people from a range of different social and ethnic backgrounds and of different genders, etc living in a given area at a given time.
It is best for all South Africans to accept and honour diversity as discrimination is wrong and individuals are unique and equal.
Read more about Diversity here https://brainly.com/question/1136627
If the magnetic field directed north, and the positive charge velocity directed
east, the direction of magnetic force is:
Answer:
Answer would be South..
Use the linear equation, y = mx + b and solve for B (the y-intercept).
y = -9/-13x + ____
Slope = -9/-13
Endpoint = 7,-6
Answer:
[tex]b=-\frac{141}{13}[/tex]
Explanation:
Given the following question:
[tex]y=mx+b[/tex]
In order to find the answer, we substitute the given information into the slope intercept then solve for b.
[tex]y=mx+b[/tex]
[tex]m=\frac{-9}{-13}[/tex]
[tex]y=-6[/tex]
[tex]x=7[/tex]
[tex](7,6)=(x1,y1)[/tex]
Substitute:
[tex]-6=\frac{-9}{-13} (7)+b[/tex]
[tex]\frac{-9}{-13} \times\frac{7}{1} =\frac{63}{13}[/tex]
[tex]\frac{63}{13}+b=6[/tex]
[tex]\frac{63}{13} -\frac{63}{13} =0[/tex]
[tex]6-\frac{63}{13} =-\frac{141}{13}[/tex]
[tex]b=-\frac{141}{13}[/tex]
Hope this helps.
In today's world, scientists can tell that
plates are moving. Which of these is one
of those ways?
A. Microscopes
B. GPS
C. Stethoscopes
D. Binoculars
Answer:
I believe the answer is GPS
Explanation:
A person hits a baseball with a wooden bat, and the ball flies off into the air. The system consists of the person, the baseball, the bat, the air, and the Earth.
Which image and description best analyzes the flow of energy?
The potential energy of the raised wooden bath will be converted into kinetic energy of the flying baseball when it is hit.
Conservation of energy
The law of conservation of energy states that energy can neither be created nor destroyed but can be transformed from one form to another.
Flow of the energy when the baseball is hitThe potential energy of the raised wooden bath will be converted into kinetic energy of the flying baseball when it is hit.
Learn more about conservation of energy here: https://brainly.com/question/166559
Label the sound wave- amplitude, wavelength, crest, trough
Answer:
A - Crest, B - amplitude, C - wavelength, D - trough
Explanation:
The amplitude is letter B, the wavelength is letter C, the crest is letter A and the trough is letter D.
What is amplitude, wavelength, crest and trough?Amplitude (B) refers to the maximum displacement or distance from the equilibrium position of a wave.
Wavelength (C) is the distance between two corresponding points on a wave. It is commonly measured as the distance between two consecutive crests or two consecutive troughs of a wave.
A crest (A) is the highest point or peak of a wave. It is the point where the displacement of the medium through which the wave is traveling is maximum in the upward direction.
A trough (D) is the lowest point of a wave. It is the point where the displacement of the medium is maximum in the downward direction.
Learn more about amplitude of a wave here: https://brainly.com/question/19036728
#SPJ6
only people who are better than me can answer this ( ◜‿◝ )♡
energy is evolved ....ig
Answer:
Solution: If two liquid drops coalesce then there will be a decrease in surface area, simultaneously there will be a decrease in surface energy hence energy is liberated.
Explanation:
What i mean is basically 2
8. True or false. A transform boundary formed the Himalaya Mountains.
Answer:
False
Explanation:
A convergent plate boundary formed the Himalaya Mountains.
Where is the light energy converted into an electron flow.
During photosynthesis, light energy is converted into an electron flow in the reaction center chlorophyll.
What is photosynthesis?Photosynthesis can be defined as a biological and chemical process through which green plants (autotrophs) convert light energy (sunlight) into chemical energy.
The chemical reaction for photosynthesis.In Science, photosynthesis is represented by the following chemical reaction:
[tex]Carbon \;dioxide + water + light energy \rightarrow sugar + oxygen[/tex]
In conclusion, the electrons found within the pigment molecules are excited by visible light, which is then converted into an electron flow in the reaction center chlorophyll.
Read more on photosynthesis here: brainly.com/question/3529377
Is the meter considered the base unit of the metric system?.
Answer:
metric system
Which best compares radiation and conduction?
O Both transfer thermal energy from warm objects to cooler objects,
O Both can transfer energy through empty space.
O Both transfer thermal energy by electromagnetic waves.
O Both involve the transfer of energy through direct contact,
Please help me
Answer:
Both transfers thermal energy from warm objects to cooler objects
Explanation:
Both transfer thermal energy from warm objects to cooler objects
(a) Calculate the height of a cliff if it takes 2. 35 s for a rock to hit the ground when it is thrown straight up from the cliff with an initial velocity of 8. 00 m/s. (b) How long a time would it take to reach the ground if it is thrown straight down with the same speed.
(a) The height of the cliff will be 8.26 meters.
(b) The time would it take to reach the ground will be 0.717 sec.
What is velocity?
The change of displacement with respect to time is defined as the velocity. Velocity is a vector quantity. it is a time-based component.
(a) The height of the cliff will be 8.26 meters.
According to Newton's second equation of motion
[tex]\rm H =ut-\frac{1}{2} gt^2 \\\\ \rm H =8\times 2.35-\frac{1}{2} 9.81 (2.35)^2\\\\\rm H =8.16 \; m[/tex]
Hence The height of the cliff will be 8.26 meters.
(b)The time would it take to reach the ground will be 0.717 sec.
We must have the final velocity to find the time so;
[tex]\rm v^2=u^2+2gh\\\\ \rm v^2=8^2+2\times 9.81 \times 8.6 \\\\ \rm v= \sqrt{8^2+2\times 9.81 \times 8.6}\\\\\rm v=15.03 \;m/sec[/tex]
According to Newton's third equation of motion ;
[tex]\rm v=u-gt \\\\ \rm t=\frac{v-u}{g} \\\\ \rm t=\frac{15.03-8}{9.81} \\\\ \rm t=0.717 sec.[/tex]
Hence the time would it take to reach the ground will be 0.717 sec.
To learn more about the velocity refer to the link ;
https://brainly.com/question/862972
All of the inner planets
a. have one or more moons.
b. Iare made of igneous rock.
c. have been geologically active.
d: two of the above
Answer:
The answer to this is D two of the above
SOMEONE HELP ME PLEASE
What is the soft tissue called at your nose and ears?
A. tendon
B. bone
C. muscle
D. cartilage
Answer:
The answer is D, cartilage.
A 4. 0 nc positive point charge is located at point a in the figure. (figure 1) what is the electric potential at point b?.
The electric potential at point b experienced by the charge cab be determined using the formulas given.
Electric potentialThe electric potential of a point charge is the work done in moving the charge from infinity to certain point against the electric field.
V = Ed
V = (F/q)d
V = (Fd)/q
where;
V is the electric potentialF is electric forceE is the electric fieldq is the chargeThus, the electric potential at point b experienced by the charge cab be determined using the formulas given.
Learn more about electric potential here: https://brainly.com/question/14306881
Why is copper NOT used as a filament?
Answer:
Short answer, because copper wire does not have high resistance.
Explanation:
What are all the principles of Cell Theory. Group of answer choices Cell only form from living cells All cells have chromosomes All living things have cells All cells have a nucleus People only have cells Cells are the basic unit of life
Answer:
Cell theory is the scientific theory that states that all living things are composed of cells and that cells are the basic unit of life. The three principles of cell theory are the cell is the smallest unit of life, all cells come from preexisting cells, and cells are the basic unit of function in living things.
Explanation:
Please mark me brainliest
Help (๑¯◡¯๑)me please
0
We know
[tex]\\ \rm\hookrightarrow Y=\dfrac{Stress}{Strain}[/tex]
[tex]\\ \rm\hookrightarrow Y=\dfrac{\sigma}{\Delta \ell/\ell}[/tex]
Stress is zero[tex]\\ \rm\hookrightarrow Y=\dfrac{0}{\Delta \ell/\ell}[/tex]
[tex]\\ \rm\hookrightarrow Y=0[/tex]
please help me with this
PLEASE HELP I WILL GOVE YOU BRAINLIEST OR WTVR ITS CALLED
Answer:
Correct answer of the question is B .
give an example of an energy conversion. make sure to discuss which forms of energy are involved
Answer:
Examples of Energy Transformations: 1. A toaster transforms electrical energy into thermal energy. 2. A blender transforms electrical energy into mechanical energy. 3. The sun transforms nuclear energy into ultraviolet, infrared, and gamma energy all forms of electromagnetic energy.
Explanation:
If something is 50% efficient, how many joules of wasted energy will there be if 750J of energy is put in?
[tex]\large{{\bold{ \underline{ \underline{ \overline{ \overline{ \red{☆Solution :—}}}}}}}}[/tex]
↪Total energy = 750 J
↪Efficiency = 50%
↪Wasted energy = 50% [ 100% - 50%]
Amount of wasted energy
↦ 750 x 50%
↦ 750 x 0.5
↦ 375 J
The gravitational acceleration on Earth is 9. 8 m/s2. What is the weight of a car on Earth (to the nearest whole number) if it has a mass of 1360 kg? 14 N 139 N 1333 N 13,328 N.
Hi there!
Recall the equation for weight.
[tex]W = Mg[/tex]
W = Weight (N)
M = Mass (kg)
g = acceleration due to gravity (m/s²)
The weight of an object depends upon its MASS and the strength of the GRAVITATIONAL field. We can solve for weight:
[tex]W = 1360 * 9.8 = \boxed{13,328 N}[/tex]
Which is the primary lunar phase that takes place one week after the first quarter.
The lunar phase that occurs one week after the first quarter is :
Third quarter phase How long does the moon take to complete its cycle ?It takes about 4 weeks for the moon to complete its cycle of phases. After every 1 week the moon undergoes one quarter (1/4) of its phase/cycle. Therefore the primary lunar phase that the moon will undergo one week after the first quarter is the Third quarter phase before the full moon
During the third quarter phase, half of the moon is completely illuminated in comparison to the other half ( first quarter ). this phase is the last phase before the full moon.
Hence we can conclude that The lunar phase that occurs one week after the first quarter is : Third quarter phase.
Learn more about Lunar phases : https://brainly.com/question/13538936
A heavy boy and a lightweight girl are balanced on a massless seesaw. The boy moves backward, increasing his distance from the pivot point. What happens to the seesaw?.
Please Help This One I just can't think.
Answer:radiation, conduction, and convection
one or the other
Answer:
across:
5) infrared
6) convection
7) vacuum
8) conduction
9) insulator
down:
1) conductor
2) currents
3) radiation
4) insulation
