Answer:
Explanation:
135
CALCULATE: find the velocity of a wave in a wave pool if it's wavelength is 3.2 m and its frequency is 0.60 Hz
1. V = 1.29 m/s
2. V = 1.3 m/s
3. V = 1.92 m/s
The velocity of a wave in a wave pool if it's wavelength is 3.2 m and its frequency is 0.60 Hz V = 1.3 m/s.
What is Velocity?
Velocity is defined as a vector measurement of the rate and direction of motion. Velocity is the speed at which something moves in one direction.
The speed of a car traveling north on a major freeway and the speed a rocket launching into space can both be measured using velocity.
As you might have guessed, the scalar (absolute value) magnitude of the velocity vector is the speed of motion. In calculus terms, velocity is the first derivative of position with respect to time.
Therefore, The velocity of a wave in a wave pool if it's wavelength is 3.2 m and its frequency is 0.60 Hz V = 1.3 m/s.
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what are 3 breeds of dogs that have been negatively affected by selective breeding and what was the effect?
Answer:
In the same way inbreeding among human populations can increase the frequency of normally rare genes that cause diseases, the selective breeding created the hundreds of modern dog breeds.
Explanation: Most dog breeds when breeding a different breed of dog they are can conclude ether good or bad. Most of the time it's a bad result because the dog is violent or has a disease.
Does a wooden or plastic ruler have more elastic energy?
A wooden ruler is likely to have more elastic energy than a plastic ruler.
What is elastic energy?The elastic potential energy of an object is proportional to its elasticity, which in turn is related to its Young modulus. Young's modulus is a measure of how much a material will deform under a given amount of stress.
When a ruler is bent, elastic potential energy is stored in the material. When the ruler is released, the stored energy is released and the ruler returns to its original shape.
Compared to plastic, wood is generally stiffer and less elastic, which means it has a higher Young's modulus. This means that a wooden ruler can store more elastic potential energy than a plastic ruler when bent by the same amount.
Thus, A wooden ruler is likely to have more elastic energy than a plastic ruler.
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TRUE OR FALSE: a wave eventually runs out of energy
Answer:
False
Explanation:
(Science)
What is the force that acts upon a rollercoaster after it reaches the top of the hill?
A. Kinetic energy
B. Mass
C. Potential energy
D. Gravity
Answer:
its d which is gravity
Explanation:
Potential energy is the force that acts upon a rollercoaster after it reaches the top of the hill. Thus, the correct option is C.
What is Potential energy?Potential energy is the energy which is stored in an object due to its position or configuration in the environment. In other words, potential energy of an object refers to the energy which an object holds due to its position relative to the other objects in the system, stresses within itself, its electric charge, or other factors as well.
Potential energy is the energy which is stored in the body of an object which is at rest. The SI unit of Potential energy is Joules (J). The potential energy of an object can be calculated as the product of mass of the object, acceleration due to gravity, and height of the object.
Therefore, the correct option is C.
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Is your friend's diagram correct? Support your answer using your knowledge of how a lens transmits light rays.
Answer:
your friend is correct he's right
ok...... i need help
Answer:
Umm sorry i can't see it clearly.... I tried ;^;
Explanation:
listen up time to pick a president for brainly
here are the candets
anaxx
keonn
zariahbennett
gerbis
The diagram below shows a desert food web. How will a large decrease in the number of rats impact the food web shown above?
Answer:
Decrease of snake, coyote, and hawk population. Increase of sagebrush and cacti.
Reasons:
The rats are aten by the snake coyote and hawks so if a food source is taken from them they are going to have to fight more for food. The rats eat the sagebrush and cacti so if they arent getting eaten as much, they have mroe ime to produce.
(science)
(due in 30 mins pls help)
Fill in the blanks with the vocabulary words
Vocabulary:
Energy
Work
Potential Energy
Gravity
Kinetic Energy
Answer:
Energy
the strength and vitality required for sustained physical or mental activity.
Work
In physics, work is the energy transferred to or from an object via the application of force along a displacement.
Potential Energy
potential energy is the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.
Gravity
a natural phenomenon by which all things with mass or energy
Kinetic Energy
the kinetic energy of an object is the energy that it possesses due to its motion
Help please
how is staphylococcus infection affect your integumentary system( like the tissues, cells, skin etc)???
Answer:
Staphylococcal infection can affect the: Skin: Most commonly, Staphylococcus aureus bacteria cause skin infection. This can produce boils, blisters, and redness on the skin. Breasts: Breastfeeding women can develop mastitis, which causes inflammation (swelling) and abscesses (collections of pus) in the breast.
Explanation:
Answer:
cells
Explanation:
Help please? Thank you don’t wanna be the last one in class with the teacher please help!!!
Answer:
A and B
Explanation:
Answer:It is a
Explanation: A magnet can induce an electric current in a coil of wire
Have a great day.
Four boxes are sliding with constant speed before each box experiences and unbalanced force of 8 N. Which box would experience the greatest acceleration when the unbalanced force is applied? Answer choices: A) The box with a mass of 2 g B) The box with a mass of 4g C) The box with a mass of 6 g D)The box with a mass of 8 g
Answer:
d
Explanation:
Acceleration is defined as rate of change of velocity with respect to time.
The box with mass of 2 g experience the greatest acceleration.
Force at any object is defined as product of its mass and acceleration.
That is, [tex]F=ma\\\\a=\frac{F}{m}[/tex]
Where F is force, m is mass and a is acceleration of object.
F = 8 N is given.
Acceleration of the box of 2 g = [tex]\frac{8}{2}=4 m/s^{2}[/tex]
Acceleration of the box of 4 g = [tex]\frac{8}{4}=2m/s^{2}[/tex]
Acceleration of the box of 6 g = [tex]\frac{8}{6}=1.34m/s^{2}[/tex]
Acceleration of the box of 8 g = [tex]\frac{8}{8}=1m/s^{2}[/tex]
Therefore, box with mass of 2 g experience the greatest acceleration.
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Your teacher gives you a mystery species to investigate. She wants you to determine the mystery species’ kingdom. She gives you the following clues:
● The mystery species can perform photosynthesis.
● The mystery species is multicellular.
● The mystery species has a cell wall.
After receiving the clues you start to eliminate the kingdoms into which you know your species does not belong. Which of the following explanations is accurate?
A.
I can eliminate both bacteria kingdoms because bacteria are multicellular.
B.
I can eliminate the animal kingdom because all animals are unicellular.
C.
I can eliminate the animal kingdom because animals do not have cell walls.
D.
I can eliminate the animal kingdom because they have cell walls but cannot perform photosynthesis.
I can eliminate the animal kingdom because animals do not have cell walls. So, the correct option is C.
It is given that the mystery species can perform photosynthesis, they are multicellular and also the mystery species has a cell wall.
The only kingdom of species that does not have a cell wall is the kingdom animalia. Since, the function of cell wall is to provide rigidity and reduces the flexibility of cells, they are not present in animals. The presence of cell wall in animals will make them less flexible and affects their free movement. So, I can eliminate the animal kingdom from the mystery species.
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if Izan, kg, which has a mass of 60 hangs from a constant spring K-100N/m calculates: The weight of Izan that holds that spring.
The elongation of the pier
NEED HELP ASAP! DUE NOW!!
The formula for this type of energy is PE = mass x Height
A 1 kg rock is sitting at a height of 100 meters.
What is its potential energy?
PE = 1 x 100. PE = 100 Use the same formula to calculate the potential energy of the same rock at each of the following heights and put the answers in the chart.
FILL OUT THE POTENTIAL SIDE OF THE CHART!!!
Height (m) ---- ---- --- Potential Energy (J)
0
1
20
50
100
Answer:
0---> PE= 0J
1---> PE= 1J
20---> PE= 20J
50---> PE=50J
100---> PE=100J
Explanation:
Rules for competitive team sports set which limit?
A.) The amount of game time by players
B.) The height of players
C.) The number of players
D.) The skill level of players
Answer:
Rules for competitive sports are currently set by the number of players.
Let me know if this helps!
1
2
3
4
5
6
7
8
9
10
Which change will always result in an increase in the gravitational force between two objects?
increasing the masses of the objects and increasing the distance between the objects
O decreasing the masses of the objects and decreasing the distance between the objects
Som
SUreasing the masses of the objects and decreasing the distance between the objects
decreasing the masses of the objects and increasing the distance between the objects
Ο Ο Ο Ο
Answer:
Increasing the mass and decreasing the distance between the two objects.
Explanation:
An increase in mass will cause them to have a stronger pull or gravity. A decrease of distance will make it easier for the objects to fall into each other because they would be further into the other objects area of influence.
A comet is cruising through the solar system at a speed of 50,000 kilometers per hour for 4 hours time. What is the total distance traveled by the comet during this time? SHOW YOUR WORK
Answer:
A comet is cruising through the solar system at a speed of 50,000 kilometers per hour for 4 hours time. What is the total distance traveled by the comet during this time?
✓ Distance = Speed * Time Distance = 50,000 * 4 Distance = 200,000 km. Hope this helps
Explanation:
Ty has two pet mice. One mouse has the gene for black fur color and the other mouse has the gene for white fur color. The female mouse is pregnant now, and Ty wonders what color or colors the baby mice will be. Read each offspring description phrase below and select the correct pattern of dominance for each. ____ all white fur offspring ____ all gray fur offspring ____ all black fur offspring ____
all black and white fur offspring 1.
codominance 2.
black fur allele dominant 3.
white fur allele dominant 4. incomplete dominance
Answer:
Ty has two pet mice. One mouse has the gene for black fur color and the other mouse has the gene for white fur color. The female mouse is pregnant now, and Ty wonders what color or colors the baby mice will be. Read each offspring description phrase below and select the correct pattern of dominance for each.
___ all white fur offspring, white fur in this case is dominant
___ all gray fur offspring, this is incomplete dominant.
___ all black fur offspring, this is black fur dominantice
___ all black and white offspring, this is codominance .
Explanation:
Incomplete dominance: Incomplete dominance is when a dominant allele, or form of a gene, does not completely mask the effects of a recessive allele, and the organism's resulting physical appearance shows a blending of both alleles. It is also called semi-dominance or partial dominance.
Codominance: Codominance is a relationship between two versions of a gene. Individuals receive one version of a gene, called an allele, from each parent. If the alleles are different, the dominant allele usually will be expressed, while the effect of the other allele, called recessive, is masked.
Ty keeps two mouse pets. One mouse possesses the gene for black fur, while the other mouse possesses the gene for white fur. Ty wonders what colour or colours the baby mice will be now that the female mouse is pregnant. Select the appropriate pattern of dominance for each offspring by reading the offspring description phrase below.
What pattern of dominance for each?Incomplete dominance: When a dominant allele, or form of a gene, cannot fully suppress the effects of a recessive allele, the organism's physical characteristics reflect a blending of both genotypes.
Codominance: Codominance is the association of two genetic variants. A person inherits one allele—also known as a gene allele—from each parent. When the alleles are different, the dominant allele typically manifests, while the effect of the other allele—known as the recessive allele—is concealed.
Therefore, All white fur offspring, white fur in this case is dominant. This is incomplete dominant since the progeny are all gray fur.All black fur offspring, this is black fur dominant ice. This is codominance—all the kids are black and white.
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(science)
(image attached)
Answer:
Situation 2, 4, 5
Since there are five situations I just numbered them 1-5
Fill in the blank
1. Light from the sun causes the ________ to change.
plant
solar panel
glass
aluminum
melanin
genetic material
2. Light from the sun does not cause the ________ to change.
plant
solar panel
glass
aluminum
melanin
genetic material
Please helppppp and I will mark you Brainliest
Answer:
1.e
2.i
3.h
4.j
5.c
6.d
7.b
8.f
9.g
10.a
Explanation:
The image below shows a group of wind turbines, which can be used to produce electrical energy.
Answer:
For the first one it is solar and for the second it is mechanical.
As per the image given in the question, it uses solar energy for the first, and mechanical energy for the second.
What is Electrical energy?When put in an electromagnetic field, charged matter experiences a force due to the fundamental property of electric charge. Positive or negative electrical ions are possible. When two charge are in opposition to one another, they repel one another.
The term "neutral" refers to an object has no net charge. The early understanding of the way charged particles interact is now referred to as classical electrodynamics, and it is still true for issues that do not demand for taking into account quant phenomena.
Electrical charge is a preserved attribute, meaning that the net charged of an isolated system—that is, the sum of the positive and negative charges—cannot change. Particles at the subatomic level carry an electric charge.
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crest to crest or trough to trough
1. crest
2. trough
3. amplitude
4. wavelength
Aristotle was one of the first people to classify life on Earth. He grouped animals based on how they moved. He sorted animal species into those who could fly, walk, or swim. Which of the questions below would help you determine the problem with Aristotle’s classification system?
A.
Did Aristotle name organisms based on the group into which they were classified?
B.
Did Aristotle further break down groups into smaller and smaller groups?
C.
Did Aristotle identify some organisms that could be placed in two different categories during their lives?
D.
Did Aristotle group organisms based on physical characteristics?
As per the question, Aristotle discovers first-class life on earth. He grouped animals and species that could move and also sorted as per walking, swimming, and flying ability.
The question arises as to whether Aristotle based his classification on the names of the classes o which he classified.The option A is correct.
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Explain how you can use aspects of Newton’s third law to improve your balloon car.
Answer:
Balloon cars rely on Newton's Third Law of Motion . As the air rushes backward out of the balloon it pushes the car forward in the opposite direction with an equal force.
Explanation:
Nighttime is the result of
A. Earth's tilt
B. Earth's gravity
C. Earth's surface temperature
D. Earth's spin
Explanation:
Answer- D(Earth's spin)
NEED HELP ASAP! DUE NOW!!
The formula for this type of energy is PE = mass x Height
A 1 kg rock is sitting at a height of 100 meters.
What is its potential energy?
PE = 1 x 100. PE = 100 Use the same formula to calculate the potential energy of the same rock at each of the following heights and put the answers in the chart.
Height (m) Potential Energy (J)
0
1
20
50
100