Answer:
group of nails assessment graphic,
Explanation:
A rower in a boat pushes the water using an oar.
What are the forces in the force pair for this example?
A. the force the oar applies to the rower
the force the water applies to the boat
B. the force the oar applies to the water
the force the water applies to the boat
C. the force the oar applies to the water
the force the water applies to the oar
D. the force the oar applies to the rower
the force the water applies to the oar
Answer: If im not wrong the answer should be C
Explanation:
what is this ???????????
Answer:
A.
Explanation:
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True of false: Radiant energy reaches the earth in the from of both visible and invisible electromagnetic waves.
Answer:
TRUE OR FALSE : ) IT'S TRUE
EXPLAIN:
Radiation
All of the energy from the Sun that reaches the Earth arrives as solar radiation, part of a large collection of energy called the electromagnetic radiation spectrum. Solar radiation includes visible light, ultraviolet light, infrared, radio waves, X-rays, and gamma rays. Radiation is one way to transfer heat. Radiant energy spreads out from its source in all directions. ... GAMMA RAYS have more energy than XRAYS, Radio waves, microwaves and ultraviolet waves all have longer wavelengths than visible light. Both X rays and gamma rays have higher frequencies than ultraviolet rays.
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What behavior of light proves that it is a wave? Hint: will this ONLY happen because light is a wave, or could it also be true of fast moving particles? Select all that apply. *
Interference between two or more light waves
Reflection of light
Absorption of light
Redshift and blueshift
Directions: Imagine that you are either a Confederate or Union soldier alive during the Civil War. Write a short note to your family describing one of the important events from the Civil War. (Keep in mind the side that you are on.) On the front, draw an illustration of the event and include a short greeting.
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Answer:
Hey guys...I Miss you very much.I wish i could come home.But i have a mission to complete and i have to complete it. Tell the kids i said hi and i live them very much
Explanation:
GREETING: Hey family i miss you all very much i hope you guys are ready for me to come home.
In an experiment, you are studying the relationship between the force on a toy car and the change in motion, or acceleration, of the car. You place 50 N force on the car. Then using the same car you apply 100 N of force. You repeat this several times, increasing and decreasing the force on the car while keeping the mass of the car the same. whats the independent variable?
Answer:
naruto
Explanation:
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a 0.15 kg baseball has a momentum of 0.78 kg*m/s just before it lands on the ground. What was the ball's speed just before landing?
The speed of the ball (i.e the velocity since it has a direction in a specified time) is 5.2 m/s before it landed.
From the given information,
the mass of the baseball = 0.15 kgthe momentum of the baseball = 0.78 kg m/sFor an object moving in a direction in a specified time, the momentum of the object is usually directly proportional to the mass and velocity.
∴
Momentum = mass × velocity
velocity = momentum/mass
velocity = 0.78 kgm/s ÷ 0.15 kg
velocity = 5.2 m/s
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unlike an observational study, an experiment can prove:
A. Cause and effect.
B. The nature of the mind.
C. Correlation.
D. The lack of bias.
Why are ORGANS classified?
Answer:
An organ is a group of tissues with similar functions. ...
A given organ's tissues can be broadly categorized as parenchyma, the tissue peculiar to (or at least archetypal of) the organ and that does the organ's specialized job, and stroma, the tissues with supportive, structural, connective, or ancillary functions.
Explanation:
Describe the war’s effect on the South:
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Answer:
If your talking about the civil war, many railroads, farms, and buildings were destroyed. Their financial system was ruined, and confederate money was useless.
Explanation:
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Answer:
B
Explanation:
1. The lamp is using electrical energy to produce light energy which can possibly turn into thermal energy due to the lighbulb heating up
2.B electrical to mechanical
BRAINLIEST TO FIRSDT CORREDCT
If the forces on an object are balanced, what can be said about the forces?
1 The forces have a net force greater than zero.
2 The forces are both equal only.
3 The forces are equal and opposite.
4 The forces are both opposite only.
Answer:
2 they are equal
Explanation:
2. Why do you think corals have declined since 1977?
Answer:
Written below.
Explanation:
Coral and fish communities showed dramatic declines from 1977 to 1996 due to massive harbor construction and suboptimal land management practices on the watershed. More recently, corrective measures in the form of watershed stabilization and fishing regulations have been implemented.
Coral reefs are endangered by a variety of factors, including natural phenomena such as hurricanes, El Niño, and diseases; local threats such as overfishing, destructive fishing techniques, coastal development, pollution, and careless tourism; and the global effects of climate change—warming seas and increasing levels.
Why is pH so important to maintain life?
A small change in pH in the ocean can be very harmful to sea life
Human blood is kept at a constant pH otherwise we would die
The pH of soil is very important for plant to be able to grown in it
Or all the above
Voyager 2 is a space probe, launched in 1977, to study the outer planets. It will continue to travel through space for thousands of years without stopping. Which one of Newton's laws does this describe?
(I'm new to this website so Im just getting the hang of it)
Voyager 2 is a space probe, launched in 1977, to study the outer planets, it will continue to travel through space for thousands of years without stopping, and it travels on Newton's first law of motion.
What is the significance of Newton's first law of motion?It is of great importance as it is used to predict the behavior of objects in motion like Voyager 2 and to understand performance in sports such as skiing and skating etc., and help in improvement. It is also helpful for the development of new technologies for the space program and in the understanding of mechanical systems such as vehicles, machinery, etc.
Hence, Voyager 2 is a space probe, launched in 1977, to study the outer planets, it will continue to travel through space for thousands of years without stopping, and it travels on Newton's first law of motion.
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can tectonic plates switch places with other tectonic plates, Im generally curious
also I didnt know what category to put this in so ...
Answer:
Earth's crust, called the lithosphere, consists of 15 to 20 moving tectonic plates. The heat from radioactive processes within the planet's interior causes the plates to move, sometimes toward and sometimes away from each other. This movement is called plate motion, or tectonic shift.
beainliest?
PLEASE HELP AGAIN IT IS THE MATH AND PLEASE GIVE ME REAL ANSWERS!
Answer:
Everyone would get 2 1/4 cupcakes because if you split up each cupcake by 4, (In four different pieces) everyone would get 9/4 slices. Change to a mixed number to get 2 1/4
Explanation:
Answer:
the answer is 2 1/4 is shared
How is the Moon different during a new moon phase than during a lunar eclipse?
Answer:
A solar eclipse happens at the new moon phase, when the moon passes between the sun and Earth. A lunar eclipse happens at the opposite moon phase – at full moon – when the Earth, sun and moon align in space, with Earth between the sun and moon. EarthSky's lunar calendar shows the moon phase for every day in 2021.
Explanation:
During a new moon, it is more or less between the Earth and the Sun, whereas a lunar eclipse ALWAYS occurs during a full moon.
The new moon is the astronomical phase that indicates the beginning of a new lunar cycle.During a new moon, the moon is found between the Earth and Sun (not exactly between), thereby the moon's surface is dark because the light side is facing away from Earth.Conversely, a lunar eclipse occurs when the moon passes through the shadow of the Earth, which only happens during a full moon.In conclusion, during a new moon, it is more or less between the Earth and the Sun, whereas a lunar eclipse ALWAYS occurs during a full moon.
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URGENT!!
What occurs when the trough of one light wave meets the crest of another lightwave?
destructive interference
constructive interference
wave building
wave destruction
Answer: destructive interference
Explanation:
3) i don't know if i am right so if I am incorrect plz help me out PLZ HELP ME OUT ASAP
Answer:
Yes you are correct
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A rocket burns fuel at a rate of 249 kg/s and exhausts the gas at a relative speed of 2 km/s. Find the thrust of the rocket. Answer in units of MN.
If the Force exerted by the intern is doubled and the distance is halved, does the done by the intern increase, decrease, or remain the same?
Answer:
If the force exerted by the intern is doubled and the distance is halved, the work done by the intern remains the same. Work done is the force applied to move a body through a distance.
Explanation:
If the Force exerted by the intern is doubled and the distance is halved, the work done by the intern remains the same.
What is work?A force must be applied in order for work to be completed, and there must also be motion or displacement in the force's direction.
The amount of force multiplied by the distance moved in the force's direction is known as the work done by a force acting on an item. Work has no direction and only magnitude. Work is a scalar quantity as a result.
Let, initially Force exerted by the intern is F and distance is d at any angle θ. Then initial work done = Fd cosθ.
Latter, Force exerted by the intern is doubled and the distance is halved at the same angle θ. Then final work done = F/2 · 2d ·cosθ = Fd cosθ.
Hence, Work done remains same.
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Anatomy & physiology
Helllp please!!!!
The statement that is false when describing serous and mucous membranes is that serous membrane always, while mucous membranes always produce mucose fluid.
What is the difference between serous and mucous membranes?Serous membranes usually line closed cavities within the body, for example, the pericardial cavity. These membranes secrete a serous or watery fluid.
On the other hand, mucous membranes are thicker, and the line surfaces of the body are exposed to the external environment, for example, the respiratory tract. These membranes secret mucus but sometimes they can secret liquids, an example is the conjunctiva.
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List the different levels of classification from broadest to most specific.
Answer:
The levels of classification used are: kingdom, phylum, class, order, family, genus, and species.
Explanation:
What is true about electromagnetic waves? Select all that apply. *
Captionless Image
Electromagnetic waves are faster than mechanical waves.
Electromagnetic waves can travel in vacuum.
Humans can see mechanical waves but not electromagnetic waves.
Electromagnetic waves have higher frequencies than mechanical waves.
Electromagnetic waves are made up of massless particles.
Answer:
electromagnetic waves are faster than mechanical waves
Which answer shows a balanced nuclear equation for the alpha decay of plutonium-239
Answer: An alpha particle is a helium-4 nucleus, it contains gwo protons and two neutrons. So, alpha decay, giving off an alpha particle, does the following:
1)reduces the atomic number (number of just protons) by two. Plutonium has atomic number of 94, take two protons away and you are left with 92 which corresponds to uranium.
2) reduces the mass number (protons plus neutrons) by 4. If you start with 239 and subtract two protons and two neutrons, you are left with 235.
Explanation:
What does it mean that a material transmits waves?
Waves will stop and transfer energy when they hit the material.
Waves will pass through the material.
Waves will bend and change their direction slightly when they hit the material.
Waves will bounce off the surface of the material.
It means that a material transmits waves when the waves bend and change their direction slightly when they hit the material, which is the third option as there are different types of waves, such as X-rays and gamma rays, and they have different properties.
What is the significance of the waves?Waves are significant because electromagnetic waves are used in many areas of physics and technology, and waves like microwaves, infrared, and visible light are used in many technologies such as radio, communications, spectroscopy, etc., the waves are also useful in the field of quantum computing and in the medical field, etc.
Hence, it means that a material transmits waves when the waves bend and change their direction slightly when they hit the material, which is the third option as there are different types of waves, such as X-rays and gamma rays, and they have different properties.
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