Batesian mimicry is an adaptive feature associated with the coloration of a given species in a given environment.
What is Batesian mimicry?Batesian mimicry can be defined as a type of adaptive feature associated with the coloration of a particular species and/or population.
On the first island, the color of the population won't change because of the absence of predators.
On the second island, the color of the population will change because of the presence of predators that can be alerted by the color.
On the third island, the color of the population won't change because of the presence of a species with a similar color.
In conclusion, Batesian mimicry is an adaptive feature associated with the coloration of a given species in a given environment.
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How does the government involve in a child or young person’s upbringing in your
country?
The government are involved in a child or young person’s upbringing in my country by providing the right amenities and ensure the justice system is fair.
What is Upbringing?This is defined as the way an individual treated at a young age by older adults such as parents.
Providing amenities will ensure the upbringing of the child is easier and a fair justice system will help to control crime.
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21. A 1000-kg automobile moving with a speed of 24 m/s relative to the road collides with a 500-kg automobile initially at rest. If the two stick together, what is the velocity in m/s of the two cars after the collision according to an observer in a truck moving 10 m/s in the same direction as the moving cars
A truck is moving with less velocity in the direction in which the truck is moving earlier because the truck has more momentum.
In which direction the truck moves?A truck is moving with the velocity of 10 m/s in the same direction in which the truck is moving earlier because the truck has more mass so it has more momentum. Due to collision, the velocity of the truck is slow down but can't be stopped because of high momentum in the truck.
So we can conclude that a truck is moving with less velocity in the direction in which the truck is moving earlier because the truck has more momentum.
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1. The sun radiates light from space to heat a swimming pool on Earth.
a. Sound energy to light energy
b. Kinetic energy to nuclear energy
c. Light energy to thermal energy
Vesna bauoz of ya
visne ismert
d. Chemical energy to mechanical energy
Answer:
c. Light energy to thermal energy
Explanation:
The energy from the sun comes in the form of light energy but is converted to thermal energy.
Greta is on the chairlift going up the mountain when one of her skis falls off.
The ski has a mass of 5 kg and hits the snow below with a speed of 72 km/h.
How high is the chairlift above the snow when the ski falls off?
(Ignore air resistance.)
The height of the chairlift above the snow when the ski falls off is determined as 20.4 m.
Conservation of energy
The height of the chairlift is calculated from the principle of conservation of mechanical energy as shown below;
P.E = K.E
mgh = ¹/₂mv²
gh = ¹/₂v²
h = v²/2g
where;
v is speed of the ski when it hits the snow below = 72 km/h = 20 m/sg is acceleration due to gravityh = (20)²/(2 x 9.8)
h = 20.4 m
Thus, the height of the chairlift above the snow when the ski falls off is determined as 20.4 m.
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An object is moving along the x axis. At t = 5.6 s, the object is at x = +3.0 m and has a velocity of +5.7 m/s. At t = 8.5 s, it is at x = +9.0 m and its velocity is -1.0 m/s. Find the average acceleration between t = 5.6 s and t = 8.5 s.
The average acceleration between t = 5.6 s and t = 8.5 s is 2.31 m/s²
What is acceleration?Acceleration is defined as the rate change of velocity with time.
acceleration a = (Δv) / (Δt)
An object is moving with initial velocity u =5.7 m/s and its final velocity v= -1.0 m/s.
Time taken for the change in speed, t= 8.5 - 5.6 = 2.9 seconds
The acceleration is given by
a = (-1 - 5.7)/ 2.9
a = - 2.31 m/s²
|a | = 2.31 m/s²
Thus, the object's acceleration is 2.31 m/s²
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What explains the key difference between a bomb calorimeter and a coffee cup calorimeter?.
The key difference between a bomb calorimeter and a coffee cup calorimeter is high temperature.
What is bomb calorimeter?A bomb calorimeter is an apparatus that can measure heats of combustion, used in various applications such as calculating the calorific value of foods and fuels.
What is coffee cup calorimeter?A coffee cup calorimeter is a cup used to provide insulation when materials are mixed inside of it.
Difference between the two calorimeterThe coffee cup calorimeter can't be used for high-temperature reactions, either, because they would melt the cup. A bomb calorimeter is used to measure heat flows for gases and high-temperature reactionsLearn more about calorimeter here: https://brainly.com/question/1407669
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Express 9.39 x 109 seconds in terms of days.
Answer:
108680.6 days
Explanation:
1 day = 24 hours there is 3600 seconds in 1 hour
so 24 * 3600 = 86400 so there is 86400 second in a day
so the take t = time s = seconds
t = 9.39 * 10^9s * 86400
t = 108680.6 days
Hope This Helped
Question 10 of 34
Julia walks from the park 6 blocks east of her house to the store 3 blocks
east of her house. The walk takes Julia 5 minutes. What is her average
velocity on this walk?
OA. 0.6 blocks/min east
OB. 1.2 blocks/min
O C. 1.8 blocks/min
OD. 0.6 blocks/min west
Julia walks from the park, which is six blocks east of her house, to the store, which is three blocks east of her house. Julia walks for 5 minutes. This walk's average speed will be 1.2 blocks per minute. Option B is correct.
What is displacement?Displacement is defined as the shortest distance between the two points. Distance is the horizontal length covered by the body. While displacement is the shortest distance between the two points.
Displacement is a vector quantity .its unit is m.
The average velocity on this walk will be;
[tex]\rm v_{avg}= \frac{d}{t} \\\\ \rm v_{avg}= \frac{6 \ block+ 3 \ block }{5 \ minute } \\\\ v_{avg}=1.4 \ block /min[/tex]
Hence option B is correct.
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Which best describes deena’s error? the line for constant velocity is not horizontal; it is diagonal and slopes downward. the area of the rectangle and the triangle under the line should be added together for constant acceleration find acceleration by finding the area of the rectangle above the line. find velocity by calculating the slope of the line.
The statement best describes deena's error is: Find acceleration by finding the area of the rectangle above the line.
What is acceleration?Acceleration is given by the ratio of Resultant or total force acting on any object and the its mass.
Deena made a chart to summarize features of a velocity vs. time graph for objects with constant acceleration and objects with constant velocity.
In the velocity time graph, the area under the curve shows the displacement of the object and the slope represents the acceleration.
Thus, the deena's error is Find acceleration by finding the area of the rectangle above the line.
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Answer:
What the other dude said
Explanation:
when a metal sphere is dropped in to a tall cylinder containing liquid its acceleration is g÷2 (gravity over 2) show that : density of metal =2density of liquid
The density of the metal sphere is 2 times the density of the liquid as proved.
Net upward force acting on the metal sphere
The net upward force acting on the sphere as it is dropped into the liquid is calculated as follows;
F = σVg - ρVg
ma = σVg - ρVg
where;
ρ is density of the liquidσ is the density of the metala is acceleration of the metalσV(a) = σVg - ρVg
σ(a) = σg - ρg
σ(g/2) = σg - ρg
g(σ/2) = g(σ - ρ)
σ/2 = σ - ρ
σ/2 - σ = - ρ
-σ/2 = - ρ
σ = 2ρ
Thus, the density of the metal sphere is 2 times the density of the liquid as proved.
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If four grams of matter are converted to their equivalent amount of energy, how much energy is released? Show your work.
Answer:
Equation of Special Relativity
[tex]E=mc^2[/tex]
where:
E = energy (measured in Joules)m = mass (measured in kilograms)c = speed of light where [tex]c \approx 3 \times 10^8 \: \sf ms^{-1}[/tex]First, convert 4 g into kilograms as mass is measured in kg:
[tex]\implies \sf 4\:g = 0.004\:kg=4 \times 10^{-3}\:kg[/tex]
Substitute the given values into the equation and solve for E:
[tex]\begin{aligned}E & = mc^2\\\implies E & = \sf (4 \times 10^{-3}) \cdot(3 \times 10^8)^2\\& = \sf (4 \times 10^{-3}) \cdot (3^2 \times 10^{8(2)})\\& = \sf (4 \times 10^{-3}) \cdot (9 \times 10^{16})\\& = \sf 4 \cdot9 \times 10^{-3} \cdot10^{16}\\& = \sf 36 \times 10^{(-3+16)}\\& = \sf 36 \times 10^{13}\\& = \sf 3.6 \times 10^{14}\: \sf J \end{aligned}[/tex]
Use Albert Einstein's equation
E=mc²m=0.004kg
E=(0.004)(3×10⁸)²E=0.004(9×10¹⁶)E=3.6×10¹⁴JA pile of 60 sheet’s of paper is 6mm high. Calculate the average thickness of a sheet of the paper
Answer:
0.1 mm
Explanation:
60 sheets = 6 mm
We want 1 sheet so we divide both sides by 60 :
1 sheet = 6/60 mm
1 sheet = 1/10 mm
1 sheet is 0.1 mm
Hope this helped and brainliest please
Which best explains how gravity contributes to the formation of layers in protoplanets?.
The following statement best describes how gravity helps protoplanets create layers in that gravity pulls materials and generates compaction, which produces heat and causes materials to melt, sink, and rise. Option A is correct.
What is gravity?Gravitation is a natural law by which all things with all matter are attracted towards one another. gravity causes weight to all matter and the gravity of the moon causes the ocean tides.
The force that draws massed bodies toward one another is known as gravity. Gravitatithus
According to the alternatives, gravity pulls things together and causes compaction, which generates heat and causes things to melt,
Thus, we may draw the conclusion that gravity draws materials and creates compaction, which generates heat and causes materials to melt, sink, and rise.
Hence option A is correct,
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Answer:
its A
Explanation:
The frequency of a certain sound is 440 Mz. What is the wavelength of this sound when the temperature of the air is (a) 20°C; (b) 30°C
Answer:
Explanation:
We know the frequency and the velocity, both of which have good units. All we have to do is rearrange the equation and solve for
λ
:
λ
=
v
f
Let's plug in our given values and see what we get!
λ
=
340
m
s
440
s
−
1
λ
=
0.773
m
Define the term rest and motion with one example of each.
Explanation:
What is rest ?
A body is said to be rest if it does not change its position with respect to its surroundings.....Example:a book on the table .....( it does not change its position with respect to the table )
What is motion ?
A body is said to be in motion if it can change its position with respect to its surroundings....Example : a football kicked by a player.....[tex]...[/tex]
Question : What is Rest ?
Answer : An object is said to be at rest if it does not change its position with respect to its surrounding time .Example ...
StatueSleepingstaringstandingunmoved vehiclestopped clockDress kept in a hanger untouched sitting etc......Question : What is Motion ?
Answer : An object is said to be in motion if it position changes with respect to its surrounding and time .Example ....
The moving FanThe dust falling from the carpetThe water that flows from the tapa ball rolling around a moving car etc ......HOPE IT HELPS UPLEASE MARK AS { BRAINLIEST }which is heavier a pound of bricks or a pound of feather
Answer:
pound of bricks
meh wrong ? XD
Answer:
neither is heavier.both are equal
Explanation:
since 1 pound equals 16 oz.(1 pound=16 oz.).,both are equal too!
[tex] \textbf{Can someone help me with this question ? } [/tex]
[tex] \textsf{I need proper Explanation} [/tex] ~
Recall the formula of refractive index
[tex]\sf \mu =\dfrac{sini}{sinr}[/tex]
i is angle of incidencer is angle of refractionAs per the diagram
At AD angle of incidence i is
[tex]\\ \rm\Rrightarrow \gamma=sin^{-1}\left(\dfrac{1}{\dfrac{n_1}{n_2}}\right)[/tex]
[tex]\\ \rm\Rrightarrow \gamma=sin^{-1}\left(\dfrac{n_2}{n_1}\right)[/tex]
That's reverse for BC tooAt AB's imaginary boundary line
Use snell's law
[tex]\\ \rm\Rrightarrow \dfrac{\mu_1}{\mu_2}=\dfrac{sin\alpha}{sin\beta}[/tex]
[tex]\\ \rm\Rrightarrow \mu_1sin\alpha=\mu_2sin\beta[/tex]
[tex]\\ \rm\Rrightarrow n_2sin\alpha=n_1sin\left(\dfrac{\pi}{2}-\gamma\right)[/tex]
[tex]\\ \rm\Rrightarrow n_2sin\alpha=n_1cos\left(sin^{-1}\left(\dfrac{n_2}{n_1}\right)\right)[/tex]
we need [tex]\sf \alpha[/tex][tex]\\ \rm\Rrightarrow sin\alpha=\dfrac{n_1}{n_2}cos\left(sin^{-1}\dfrac{n_2}{n_1}\right)[/tex]
[tex]\\ \rm\Rrightarrow \underline{\boxed{\bf{\alpha=sin^{-1}\left[\dfrac{n_1}{n_2}cos\left(sin^{-1}\dfrac{n_2}{n_1}\right)\right]}}}[/tex]
Option A
Think about the videos you have watched.
Why is there a need for government regulation, and what limits need to be placed on these regulations?
Give your answer in the form of a short paragraph.
Answer:
they protect public safety and market fairness. For example, food safety regulations help protect consumers from pathogens that could cause widespread illness
Answer:
Government regulations are necessary because they protect public safety and market fairness. For example, food safety regulations help protect consumers from pathogens that could cause widespread illness. By creating regulations, the government can make food-borne illness less likely. However, even though these regulations are necessary, they must still meet constitutional requirements. Producers and consumers have the right to own and use property, among other constitutional rights.
Explanation:
EDGE 2023
A large truck is moving at 22.0 m/s. if its momentum is 125,000 kg • meters per second, what is the truck's mass? 176 kg 2750 kg 5680 kg 11,400 kg
The mass of the large truck is determined as 5680 kg.
Mass of the truck
The mass of the truck is calculated as follows;
P = mv
where;
P is momentumm is massv is velocitym = P/v
m = 125000/22
m = 5680 kg
Thus, the mass of the large truck is determined as 5680 kg.
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Answer:
C. 5680
Explanation:
edg2023
On Earth's surface at sea level, what is the weight of an object with a mass of 180 kg?
860 newtons
1764 newtons
400 newtons
200 pounds
Considering the definition of weight, on Earth's surface at sea level, the weight of an object with a mass of 180 kg is 1764 N.
What is weightMass is the amount of matter that a body contains and weight is the action exerted by the force of gravity on the body.
The mass of an object will always be the same, no matter where it is located. Instead, the weight of the object will vary according to the force of gravity acting on it.
The weight is calculated as the product of the mass of the object and the value of the gravitational acceleration or gravity:
Weight= mass× gravity
The value of the acceleration constant on Earth is 9.8 m/s². The weight is proportional to the mass of the object. The unit of weight is expressed in Newton (N).
Weight of the object in this caseIn this case, you know:
mass= 180 kggravity= 9.8 m/s²Replacing on the definition of weight:
Weight= 180 kg× 9.8 m/s²
Solving:
Weight= 1764 N
Finally, on Earth's surface at sea level, the weight of an object with a mass of 180 kg is 1764 N.
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The resulting net force of an object is represented below.
→10 N
Which most likely represent the forces acting on the object?
↑ 63 N and ↓ 73 N
↑ 97 N and ↓ 87 N
← 63 N and → 73 N
← 97 N and → 87 N
Answer: it's c. ← 63 N and → 73 N
Explanation:
Which two types of waves can transmit energy through a vacuum?
1.radio waves
2.seismic waves
3.sound waves
4.water waves
5.x-rays
Given what we know, we can confirm that amongst the wave types mentioned both X-rays and radio waves are able to transmit energy through a vacuum.
How can these waves propagate through a vacuum?This is due to the fact that unlike sound, water, and seismic waves that transmit energy through air, water, or the earth, the waves mentioned above, those being radio and x-rays, do not need a medium through which to propagate. This allows them to exist and transmit energy even in a vacuum such as outer space, which is corroborated by their existence in space.
Therefore, we can confirm that amongst the wave types mentioned both X-rays and radio waves are able to transmit energy through a vacuum.
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Answer:
we can confirm that amongst the wave types mentioned both X-rays and radio waves are able to transmit energy through a vacuum.
Explanation: Edmentum
What is the net force needed to lift a full grocery sack (weighing 210 N) uniformly? What is the net force
needed to accelerate the grocery sack upward at 1.5 m/s2 ?
The net force needed to lift a full grocery sack uniformly is 32.115 N.
What is Net force?When two or more forces are acting on the system of objects, then the to attain equilibrium, net force must be zero.
Given the weight of sack W = 210N and the acceleration a = 1.5m/s².
The mass of the sack will be
m = Weight / acceleration due to gravity
m = 210 N/9.81 m/s²
m = 21.41 kg
Using Newton's second law, the net force will be
F = mass x acceleration
F= 21.41 x 1.5
F = 32.115 N
Thus, the net force is 32.115 N.
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The atmospheric pressure at the surface of titan is.
Answer:
about 1.5 bars
Titan's atmosphere is similar to Earth's both in the predominance of nitrogen gas and in surface pressure, which is about 1.5 bars, or 50 percent higher than sea-level pressure on Earth.
Explanation:
which two questions can be used to identify criteria for how successful the design of an efficient high altitude drone is?
A. Can it reach an altitude of 8,000 m?
B. Will it cost more than the last drone design?
C. Does it improve efficiency by 35%
D. Does it also work at low altitudes?
E. Will it become more popular than the last drone design?
Answer:
Explanation:
Remark
Though you do not know what height the previous drone reached, I would think reading 8000 m would be quite an accomplishment. Answer 1: A
B: I wouldn't pick B. Increased cost isn't going to contribute to design success.
C. If the efficiency is low to start with, increasing it some won't matter. On the other hand if the efficiency is moderate or good increasing it by 35% is a good thing. Let's hold on to this answer.
D: It has to work at low altitudes in order to work at high altitudes. I wouldn't pick D
E: Popularity is something you never know will happen. I think C is your best second answer.
Answer: A and C
A pendulum is lifted and released, causing the pendulum to oscillate in
periodic motion. If losses due to friction and air resistance can be ignored,
what types of energy conversions are involved in this system?
A. Energy is converted between gravitational potential, elastic
potential, and kinetic energy.
OB. Energy is converted between gravitational potential and elastic
potential energy.
C. Energy is converted between kinetic and elastic potential energy.
OD. Energy is converted between kinetic and gravitational potential
energy.
SUBMIT
Answer:
D. Energy is converted between kinetic and gravitational potential energy.
Explanation:
Calculate the power of a person that does 8kJ of work in 4 hours
[tex]\text{Power,}~ P = \dfrac{\text{Work done}}{\text{Time}}\\\\\\~~~~~~~~~~~~~=\dfrac{8 \times 1000~J}{4 \times 3600~ s}\\\\\\~~~~~~~~~~~~~~=\dfrac{80}{144}\\\\\\~~~~~~~~~~~~~~=0.56~ W[/tex]
Answer:
Explanation:
Energy used is power multiplied by time.
Power is energy used divided by time
8 kj is 8000 j
4 hours is 240 minutes
240 minutes is 14400 seconds
8000j divided by 14400 is 0.55 recurring, measured in watts
Marking as brainliest last attempt
(ZOOM IN THE PHOTO) use the graphic organizer for writing ur paragraphs
write a paragraph about the topic : bullying in schools
The hall voltage is the potential created across a current-carrying metal-strip when the strip is placed in a magnetic field perpendicular to the current flow in the strip. it is used as a research tool to probe the movement of charges in materials, as well as determining the blood flow rate. one fundamental use of the hall effect is the determination of the charge of the charge carriers. what of the following statements is true concerning the strips with a positive versus a negative hall voltage?
a) the top strip has positive charge carriers, and the electric field points in the same direction as the electric force.
b) the bottom strip has positive charge carriers, and the electric field and electric force point in the same direction.
c) the top strip has negative charge carriers, which get deflected to the top of the plate.
d) the bottom strip has negative charge carriers, and the magnetic force points upward along the plate.
The statements true concerning the strips with a positive versus a negative hall voltage are a and d.
What is hall voltage?
The hall voltage is the potential created across a current-carrying metal-strip when the strip is placed in a magnetic field perpendicular to the current flow in the strip. it is used as a research tool to probe the movement of charges in materials, as well as determining the blood flow rate.
The top strip possess positive charge carriers, and the electric field points are in the same direction as the electric force.
The bottom strip has negative charge carriers, and the magnetic force points upward along the plate.
This will create an equilibrium of the magnetic force and electrostatic force.
Thus, the correct option are a and d.
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a tape is weighed and found to weigh 1.95 lb. the overall length of the 100-ft tape (end to end) is 102.00 ft. the specific weight of steel is 490 lb/ft?. what is the cross-sectional area of the tape?
The cross-sectional area of the tape is determined as 3.9 x 10⁻⁵ ft².
Volume of the tape
The volume of the tape is calculated as follows;
volume = mass/density
volume = (1.95 lb)/(490 lb/ft³)
volume = 3.98 x 10⁻³ ft³
Area of the tapeV = AL
A = V/L
A = 3.98 x 10⁻³ ft³/102 ft
A = 3.9 x 10⁻⁵ ft²
Thus, the cross-sectional area of the tape is determined as 3.9 x 10⁻⁵ ft².
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