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Answer:
45555555555555555555
Explanation:
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NEED HELP!!! ANSWER THESE 5 QUESTIONS FOR 25 POINTS!!!! PLEASE ANSWER!! I WILL GIVE YOU BRAINLIEST
1. Therese plays lacrosse, but she has injured her ankle and has to take a few weeks off. She is finding that she has a lot of trouble sleeping since she is no longer practicing several days a week. What BEST explains this?
A.
She needs regular exercise to move oxygen through the blood.
B.
She clearly requires more exercise than most people to relieve stress.
C.
She is not releasing the endorphins that she used to, and that impacts her sleep.
D.
She is likely not maintaining the healthy habits that she did when she was practicing.
2. Imagine that you are running and want to track your heart rate. What is the easiest way to do this?
A.
Check your pulse at the wrist or neck.
B.
It can’t be done without special equipment.
C.
Close your eyes and count to 30 very slowly.
D.
Take off your shoe and check the top of your foot.
3. Guillermo has decided that he wants to be healthier, so he starts jogging. He has been at it for a week, but he is getting frustrated because he cannot run very far without getting out of breath. He is beginning to think that this is not a good exercise for him since he is not very good at it. What BEST explains why Guillermo is struggling?
A.
He probably does not have good form when he is exercising.
B.
He likely has heart or lung problems that he was not aware of.
C.
He does not have much endurance since he is new to exercise.
D.
He is just not good at jogging and needs to try something else.
4. Li Wei loves cardio and finds it very easy to fit into his schedule. Because he knows it is important to diversify his exercise routine, sometimes he runs and other days he rides his bike. What else should Li Wei consider regarding his routine?
A.
He should add some strength training.
B.
He needs to add one more form of cardio.
C.
He has too much cardio and should cut half of it.
D.
His program works for him, so he should not change it.
5. Jamar has decided that he is going to train for a marathon. He knows that it will take a lot of training, and that he will need to build his muscles. What part of the muscle does he need to build?
A.
oxygen levels
B.
fast twitch fiber
C.
slow twitch fibers
D.
large muscle mass
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Answer:
1.A
2.C
3.A
4.B
5.D
Explanation:
CORRECT ME IF IM WRONG
Is the daughter or the science teacher correct? And why?
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Answer:
The daughter. I can't really explain but practically, it happens as the daughter has stated.
When there is a horizontal wire, the needle of a compass placed beneath the wire comes to rest at right angles to the wire, pointing from left to right. In which direction will the compass needle point if it is held above the wire ? Explain your answer.
Urgent !
Will give the brainliest
Answers
Explanation:
Imagine a conducting wire lying on top of the page with a current going from left to right. This current produces a magnetic field of closed field lines concentric around the wire coming out of the page above the wire and going into the page below the wire. When you put your compass above the wire, the needle will align with the magnetic field pointing out of the page, Moving the compass to below the wire the needle will flip 180 degrees and now point into the page. I don’t want to begin the discussion of north and south poles, etc. Just know that the compass needle will turn 180 deg.
Lichens are not single organisms, but algae and fungi that function together. The algae use photosynthesis to make food for both organisms. The fungi produce digestive chemicals and absorb nutrients for both organisms. How does the biological activity of lichens cause weathering in rocks? Answer options with 4 options A. Lichens cause friction as they grow, which weathers the rocks. B. Lichens produce chemicals, which dissolve and weather the rocks. C. Lichens take in water, which freezes in cracks and weathers the rocks. D. Lichens absorb heat during photosynthesis, which weathers the rocks.
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Answer:
The correct answer is B
Lichens produce chemicals which dissolve and weather the rocks.
The Sankey diagrams below show the energy transfers in two light bulbs. What is the efficiency of light bulb 2? Give your answer to the nearest 0.5 percent
Answers
Answer:
Divide the useful energy by the total energy and you will get the efficiency which should be between 0 and 1. Multiply by 100 to find the percentage efficiency.
Explanation:
Trong chân không khi hai điện tích cách nhau lần lượt là d và d+10cm thì lực tương tác điện giữa chúng có độ lớn tương ứng là 2.0-6 N và 5.10-7 N tính giá trị của d
Answers
Answer:
H2O is also known as for water
A race car traveling at 10 meters per second accelerates at a rate of 1.5 meters per second squared while travelling a distance of 600 meters. The final speed of the race car is approximately
Answers
Answer: 44m/s
Explanation:
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Answers
Answer:
D
Explanation:
transivity, reflexivity, and identity refer to what kind of reasoning?
Answers
Deductive reasoning. Deductive reasoning implies the use of a given set of facts or data to deduce other facts, by reasoning logically. It rearranges information that is already known into new statements or truths. Hence transitivity, reflexivity, and identity refer to it and are necessary elements.
What are deductive reasoning and examples?Deductive reasoning is a type of deduction used in science and in life. It is when you take two true statements, or premises, to form a conclusion. For example, A is equal to B. B is also equal to C. Given those two statements, you can conclude A is equal to C using deductive reasoning.
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You used a telescope and other mathematics to discover that Jupiter is 5. 20 au from the sun. Use the equation to find its orbital period. Round to the nearest tenth of a year. Jupiter’s Orbit: years.
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The second one is 9.55
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What could have happened to Earth's ozone layer without the Montreal Protocol?
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Answer:
Plants all around the world would have withered and wilted without the Montreal Protocol, according to a study published this week in the journal Nature. Many of them would have died and disappeared altogether. They would have been zapped by the harmful UV rays piercing through the planets damage ozone layer.
are dimensionless quantities always unitless
Answers
Important thing is that all unitless quantity is dimensionless quantity. .A dimensionless physical quantity may have an unit
Thea uses a hairdryer to dry her hair. The hairdryer has an efficiency of 0.5 and the total input energy is 180 kJ. How much of the energy supplied is wasted? Give your answer in joules
Answers
90kJ of the energy supplied to the hair dryer is wasted.
Efficiency is the ratio of output to input. It is given by:
Efficiency = output / input
Given an efficiency of 0.5 and the total input energy is 180 kJ. Hence:
Efficiency = output / input
0.5 = output / 180 kJ
Output = 90 kJ
Amount of wasted energy = Input - output = 180kJ - 90kJ = 90kJ
Therefore 90kJ of the energy supplied is wasted.
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A 400g ball moving toward the east at 3.7m/s suddenly collides head-on with a 200g ball sitting at rest. Determine the velocity of the first ball just after collision
Answers
The final velocity of the first ball after the collision is 1.167 m/s to the west.
The given parameters;
mass of the moving ball, m₁ = 400 g = 0.4 kgvelocity of the moving ball, u₁ = 3.7 m/smass of the ball at rest, m₂ = 200 g = 0.2 kgLet the velocity of the first ball after collision = v₁
Let the velocity of the ball at rest after collision = v₂
Apply the principle of conservation of linear momentum;
[tex]m_1u_1 + m_2u_2 = m_1v_1 + m_2v_2\\\\0.4(3.7)+ 0.2(0) = 0.4(-v_1) + 0.2v_2\\\\1.48 = -0.4v_1 + 0.2v_2[/tex]
Apply one-directional velocity formula;
[tex]u_1 + v_1 = u_2 + v_2\\\\3.7 - v_1 = 0 + v_2\\\\v_2 = 3.7 -v_1[/tex]
substitute the value of v₂ into the above equation;
[tex]1.48 = -0.4v_1 \ + \ 0.2(3.7 -v_1)\\\\1.48 = -0.4v_1 + 0.74 - 0.2v_1\\\\0.74 = -0.6v_1\\\\v_1 = \frac{-0.74}{0.6} \\\\v_1 = -1.167 \ m/s[/tex]
[tex]v_2 = 3.7 + 1.167\\\\v_2 = 4.867 \ m/s[/tex]
Thus, the final velocity of the first ball after the collision is 1.167 m/s to the west.
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Solve the science problem
Answers
Answer:
What is the problem I cant help unless you have the problem.
Explanation:
Answer:
what is the science problem??
if temperature is constant, the relationship between pressure and volume is
Answers
Answer: inversely proportional
Explanation:
9. A car of 1200 kg is rolling down a hill. When the car reaches a momentum of 7800 kg
m/s, what is its velocity?
Answers
Answer:
V = p/m = 7800/1200 = 6.5m/s
Explanation:
A chemical lab isolates a gaseous element from the atmosphere that does not form chemical compounds. In which group of the periodic table is this element most likely found?
A. 18
B. 17
C. 1
D. 2
Answers
Answer:
A- 18
Explanation:
It wont let me explain how
Describe what it means to view something from a frame of reference.Give an example to illustrate your explanation.
Answers
like just try and try you gut it just trust me I'm a Wuman and you a man
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Susan can row a boat at 4.0 m/s in still water. While trying to row
directly across a river from west to east, Susan is pulled by a current
flowing southward at 3.0 m/s. How fast does Susan row relative to the
shore?
Answers
The velocity of Susan's boat relative to the offshore when she encountered the water current is 5 m/s.
The given parameters;
Velocity of the Susan's boat in still water, Vb = 4 m/sVelocity of the water current, Vw = 3 m/sThe velocity of Susan's boat relative to the offshore when she encountered the water current is calculated as follows;
[tex]V_{b/o} ^2 = V_b^2 + V_w^2\\\\V_{b/o} = \sqrt{V_b^2 + V_w^2} \\\\\V_{b/o} = \sqrt{4^2 + 3^2}\\\\V_{b/o} = 5 \ m/s[/tex]
Thus, the velocity of Susan's boat relative to the offshore when she encountered the water current is 5 m/s.
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How does alpha particles transfer energy to their surroundings?
Answers
A Alpha Radiation. As charged particles, such as alpha particles, move through material, energy is transferred from the radiation to the atoms or molecules that make up the material. The major energy-loss mechanisms are electronic excitation and ionization.
Hope this helps :)
how to find total internal reflection
Answers
(c) Total internal reflection occurs
when the incident angle is greater than the critical angle.
n1 sin θ1 = n2 sin θ2. n1 sin θ1 = n2.hope it helpswhat happens as a result of an increase in the intensity of a sound wave?
A. the frequency of the sound wave increases.
B.the velocity of the sound wave decreases
C. the energy of the sound wave increases
D. the amplitude of the sound decreases
Answers
As the intensity increases the energy increases.
Answer:
C. the energy of the sound wave increases
why does an elliptical galaxy look like one giant star
Answers
Explanation: An Elliptical galaxy looks like one giant star because the stars in the elliptical galaxy are often close together, making the center seem to be one giant star.
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pls help the image is down below
Answers
Answer:3 go to 2 and 4 go to 4 and 1 go 2 2 go to 1
Explanation:
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The brain itself does not contain nerves. How is it part of the central nervous system?
A.
It sends the signals out to the nerves.
B.
It is not—it is part of the endocrine system.
C.
Only parts of the body that move have nerves.
D.
It is a central part of the body, so it is in that system.
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Answers
The brain is part of the central nervous system because it sends the signals out to the nerves.
option A.
What is central nervous system?
The central nervous system is made up of the brain and spinal cord.
The brain controls how we think, learn, move, and feel.
The spinal cord carries messages back and forth between the brain and the nerves that run throughout the body.
Thus, we can conclude that the brain itself does not contain nerves, but it sends the signals out to the nerves hence it is part of the central nervous system.
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The air in a tire pump has a volume of 1.5 L at a temperature of 5 ℃. If the temperature is increased to 25 ℃ and the pressure remains constant, what is the new volume of the tire pump
Answers
Answer:
Explanation:
5 C = 278 K
25 C = 298 K
V1 / T1 = V2 / T2
1.5L / 278 K = V2 / 298 K
V2 = (1.5L * 298) / 278
V2 = 1.61 L
i am asking this question again because the quality of the pictures. answer the following 2 questions :)
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explique o que você da frase:"não somos seres humanos passando por uma experiência espiritual... somos seres espirituais passando por uma experiência humana
Answers
Answer:
Talvez o que ele quis dizer é que tudo o que temos não é nosso, mas de Deus, e o que fazemos é saber como será estar vivo
Hunger and thirst are examples of external stimulus true or false
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Hunger and thirst are examples of external stimulus true or false
false External stimulus. The external stimulus includes touch and pain, vision, smell, taste, sound, and balance (equilibrium)
