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Homework Help: Health: Physical Fitness

Recent Homework Questions About Physical Fitness

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Intro to psychology / science
Learning and memory researchers have discovered that : A.) physical exercise promotes new cell growth, while mental ecercise only maintains exsisitng cells. B.)stem cells can divide and mature throughout adulthood. C.) age is the biggest limiting factor in the creation of new ...
Thursday, January 5, 2012 at 10:00am

algebra
The Physical Education Deparment sells t-shirts for $12 and shorts for $8. One month, they sold 77 total items for $780 in total. How many t-shirts did they sell?
Tuesday, January 3, 2012 at 10:40pm

Physical Science
Contrast the structure of table salt and table sugar.
Tuesday, January 3, 2012 at 8:11pm

Physical Science
Explain why adding flexible springs to a ball and stick model would make it more accurate.
Tuesday, January 3, 2012 at 7:52pm

Physics
You are at a furniture store and notice that a Grandfather clock has its time regulated by a physical pendulum that consists of a rod with a movable weight on it. When the weight is moved downward, the pendulum slows down; when it is moved upward, the pendulum swings faster. ...
Tuesday, January 3, 2012 at 11:12am

cultural diversity
i have 3 questions that i am stuck on and i really need to see if this site can help me with this ones.this my first time on here. 1.a young asian child would probably be less inclined to engage in backchanneling than a middle-class american child does because a.he or she ...
Wednesday, December 28, 2011 at 9:59pm

physical
What is the electrons velocity that made its momentum equal to the momentum of photon whose wave length 5200A?
Wednesday, December 28, 2011 at 11:07am

psychology
when physical energy has resulted in aresponse in a sense organ, it is clear that
Tuesday, December 27, 2011 at 1:13pm

physical science
pour a liter of water at 40 c into a liter of water at 20 and the final temperature of the two becomes about____________________c
Tuesday, December 27, 2011 at 12:00am

physical science
An oxygen gas tank has a volume of 8 L and a pressure of 1500 N/m2. If the temperature decreases from 2500 K to 2000 K and its volume increases to 24 L, what is its final pressure?
Monday, December 26, 2011 at 12:18am

world geography
Which of the following statements about the physical geography of North America is true?
Thursday, December 22, 2011 at 8:02pm

physical science
Brad rides his bike 20 km. He covers the distance in 45 minutes (0.75 hours). What is his speed in kilometers per hour? A.44 km/hr B.15 km/hr C.9.0 km/hr D.27 km/hr
Sunday, December 18, 2011 at 4:32pm

English
I urgently need you to check these sentences? Thank you very much in advance. 1) From which perspectives does Hamlet consider death in his famous soliloquy “To Be or not to Be”? The Medieval perspective which considers death as physical liberation from the prison of ...
Sunday, December 18, 2011 at 2:14pm

Physical Chemistry
Substitute U = uV and P = (1/3)u into the equation (ðU/ðV)T = T(ðP/ðT)V – P to show that it leads to du/u=4(dT/T). *NOTE: u depends only on T*
Saturday, December 17, 2011 at 9:59pm

physical science
Which one of these statements is true about Copernicus? a. His model included planetary orbits that were circular. b. He believed that Ptolemy's ideas about the shape of orbits were correct c. His model could not account for retrograde motion of Mars. d. His model of the ...
Thursday, December 15, 2011 at 8:59pm

physical science
An azimuth angle of 135 degrees would correspond to:
Thursday, December 15, 2011 at 8:54pm

physical science
The declination of the Sun on March 21 on Earth is
Thursday, December 15, 2011 at 8:53pm

physical science
At noon on September 21, the Sun is directly overhead at a latitude of
Thursday, December 15, 2011 at 8:52pm

physical science
An observer measures the North Star (Polaris) at an altitude of 450. The observer's position is
Thursday, December 15, 2011 at 8:51pm

physical science
A small car with a weight of 2000 lb traveling at 30 mph can stop in about 100 ft. How far does it take for a large SUV weighing 8000 lb to stop if it is also traveling at 30 mph?
Thursday, December 15, 2011 at 8:49pm

physical science
A car traveling at 30 mph can stop in about 100 ft. How far does it take for the same car to stop if it is traveling at 60 mph?
Thursday, December 15, 2011 at 8:49pm

physical science
What is the normal maximum amount of negative "g" forces allowed for a roller coaster ride?
Thursday, December 15, 2011 at 8:48pm

physical science
A force of 1 N is exerted on a 10-kg rock. What is the acceleration of the rock?
Thursday, December 15, 2011 at 8:47pm

physical science
Which of the following four bodies has the greatest kinetic energy? a. A body of mass 1 kg moving with speed 1000 m/s. b. A body of mass 2 kg moving with speed 50 m/s c. A body of mass 3 kg moving with speed 50 m/s d. A body of mass 50 kg moving with speed 2 m/s e. A body of ...
Thursday, December 15, 2011 at 8:25pm

physical science
An object on a flat frictionless table has a net horizontal force of 10 N exerted on it. What type of motion would the object have?
Thursday, December 15, 2011 at 8:00pm

physical science
A 1 kg object requires 10 N of force to lift it 5 m from the bottom of a well. (use g = 10 m/s2) What is the kinetic energy when the object has fallen halfway down the well (2.5m)?
Thursday, December 15, 2011 at 7:57pm

physical Science
A 1 kg object requires 10 N of force to lift it 5 m from the bottom of a well. (use g = 10 m/s2). The object is then dropped. What is the total energy when the object has fallen halfway down the well (2.5m)?
Thursday, December 15, 2011 at 7:51pm

physical or mental verbs
She approved the proposed marriage==this would be a physical verb right
Thursday, December 15, 2011 at 5:25pm

Physical Science
Infrared waves- electromagnetic wave with a slightly ___________ frequency than radio waves
Wednesday, December 14, 2011 at 5:12pm

Physical Science
________- radio waves bounced off an object to determine its speed and location
Wednesday, December 14, 2011 at 5:10pm

Physical Science
____________ Magnetic fields create changing elctric fields and vice versa
Wednesday, December 14, 2011 at 5:07pm

Physical Science
A ______ Electric charge creates a magnetic field
Wednesday, December 14, 2011 at 5:06pm

PHYSICAL SCIENCE PLEASE HELP REALLY APPRECIATE IT!
In the reaction between bromine and sodium, a bromine atom gains an electron. What ion is formed? Is the bromine oxidized, or is it reduced? Thank You ^_^
Wednesday, December 14, 2011 at 12:37pm

marine systems
What 3 physical factors determine the distribution of life in the ocean?
Tuesday, December 13, 2011 at 5:07pm

Physical Science
A 75 kg astronaut in space pushes against a 200 kg navil. when the astronaut lets go of the anvil pushing it:
Tuesday, December 13, 2011 at 1:32pm

Physical Science Just One Question PLEASE HELP!
In an exothermic reaction, the amount of energy required to break the attractions among the solute particles and among the solvent particles is A) greater than the energy released as attractions form between solute and solvent particles. B) less than the energy released as ...
Monday, December 12, 2011 at 12:06pm

Physical Science
Water boils at _______ 01 Kelvin. I put 373.15 but I dont know if it is right. Could someone please help me?
Monday, December 12, 2011 at 10:31am

Please Revise(short paper)
Physical Education has been an extremely tough class, but I it has done me some justice. Despite how tough and painful it was, it all payed off in the end. Before this class started, running a mile seemed like the toughest task anyone could ever ask. Through extremely tough ...
Sunday, December 11, 2011 at 6:18pm

Revise Research Paper
Can you please revise this? Tell me what I should change? Thanks! How Media Affects Body Image By: Bryce R I Glance in the mirror and snarl at what I see, Why can’t my teeth be gleaming white? Why can’t my skin be completely acne free? The struggle to be perfect is ...
Saturday, December 10, 2011 at 9:36pm

science
Is melting ice a physical or chemical change? I think it is a physical change. Am I correct?
Thursday, December 8, 2011 at 1:08pm

physical science
One of Saturn's moons has an orbital distance of 1.87 x 108 m. The mean orbital period of this moon is approximately 23 hours. Use this information to estimate a mass for the planet Saturn.
Thursday, December 8, 2011 at 1:08pm

physical
Problem 1 A goalkeeper kicks a ball of mass 400 g in the air, and reaches a position of height 15.9 m above the ground corresponding to a horizontal distance 19.7 m from its initial position. During its flight, the ball experiences a horizontal friction force of 3 N from a ...
Thursday, December 8, 2011 at 1:45am

physical
Problem 1 A goalkeeper kicks a ball of mass 400 g in the air, and reaches a position of height 15.9 m above the ground corresponding to a horizontal distance 19.7 m from its initial position. During its flight, the ball experiences a horizontal friction force of 3 N from a ...
Thursday, December 8, 2011 at 1:39am

Physical Science
If a force of 10 N is applied to a 4.5 kg object, then the object will accelerate at 2.22 m/s2? True or false
Wednesday, December 7, 2011 at 12:10pm

physical science
a newton meter is a measure of work also known as the.... what?
Monday, December 5, 2011 at 11:35pm

Physical Science
How does the mass of all the interstellar matter in our galaxy compare with the total mass of its stars?
Sunday, December 4, 2011 at 10:48pm

philosophy
What argument Williams offer in defense of a physical criterion of personal identity that Parfit critiques. did whether Parfit succeeds in answering Williams.
Sunday, December 4, 2011 at 10:41am

Physical Science
(a) Why is the sun considered to be located in the central disk of our galaxy? (b) What is thought to occupy the center of the disk?
Saturday, December 3, 2011 at 11:28pm

Physical Science
How does the mass of all the interstellar matter in our galaxy compare with the total mass of its stars?
Saturday, December 3, 2011 at 11:28pm

Physical Science
Both galactic nebulas and globular clusters occur in our galaxy. Distinguish between them.
Saturday, December 3, 2011 at 11:27pm

Physical Science
Which astronomical objects that appear as points of light to the unaided eye appear as disks with the help of a telescope?
Saturday, December 3, 2011 at 11:15pm

physical science
On the surface of the moon, where the acceleration due to gravity is about one-sixth that of Earth, a 100-kg astronaut would have a mass of_____ and a weight of _____ A. 100kg, 1000N B. 16.6kg, 166N C. 100kg, 166N D. 600kg, 1000N
Friday, December 2, 2011 at 3:55pm

physical science
is it possible for people of different masses to have the same power output? Explain
Tuesday, November 29, 2011 at 10:51pm

E-COMMERCE
Imagine that you own a small, local clothing store along the Jersey Shore boardwalk and decide that you want to engage in e-Commerce. Write a 4-5 page paper on the following: 1. Imagine that someone has offered you $1,000 to buy your domain name shortly after your started your...
Monday, November 28, 2011 at 10:33pm

chemistry
valerie placed 1.0g of salt into one beaker, 1.0g of soil into a second beaker, and 2.0g of sugar in a third beaker. She then added 200mL of water to each beaker and stirred the contents for 3 mintues. How many compounds and how many mixtures did Valerie make? Identify each. ...
Monday, November 28, 2011 at 3:31pm

Physical science
The brakes of a car are applied to give it an acceleration of -3m/s^2. The car comes to a stop in 5 s. What was its speed when the brakes were applied?
Sunday, November 27, 2011 at 11:25pm

physical science
absolute zero is the same as
Sunday, November 27, 2011 at 5:56pm

BUSINESS COMMUNICATION
what are the 5 strategies in overcoming communication barriers? 1) minimize physical distraction 2)overcome emotional distraction well My question is that can Audience approach be included as 1 of the strategy because in the sense that it makes effort to get the message across...
Friday, November 25, 2011 at 11:24am

Psychology Please Help!!
The biosocial approach suggests that gender differences are based on: a. the hormone and neurological differences between men and women. b. how men and women think about their environment. c. the physical ability of men to protect the home and of women to bear children. d. the...
Friday, November 25, 2011 at 2:14am

physical science
all of the following are true about water except that it:
Wednesday, November 23, 2011 at 10:42pm

English
Could you please check these sentences, too? Thank you. (especially the description of the monster). 1) Before leaving for Ingolstadt his father gives him the journal, his mother wanted him to have on his graduation. 2) It contains blank leaves to be filled with the deeds of a...
Wednesday, November 23, 2011 at 5:18pm

correct my paragraphs
The final cause for a couple to separate is abuse. An individual may be physically, emotionally, or sexually abused. One spouse may degrade his or her partner through harsh language. Drug and alcohol makes the person violent; in addition, there may be no physical or verbal ...
Monday, November 21, 2011 at 8:52am

english
The groom's family presented this letter to the bride's family. is presented an action( physical or mental) verb also It formally accepted the bride into the groom's family. is accepted (physical or mental) action verb?? I think presented is physical and accepted ...
Sunday, November 20, 2011 at 9:51pm

health
Before beginning a vigorous aerobic exercise routine, all adults should A. undergo a thorough physical examination. B. hire a personal trainer. C. successfully lose five pounds. D. change their daily eating habits. i think its a is this correct?
Sunday, November 20, 2011 at 6:19pm

psychology
I need help with this! A recent controversy in the media surrounded the complaints of serious physical symptoms in veterans returning from the 1991 Gulf War. Allegations that the physical symptoms were due to exposure to chemical or biological agents could not be fully ...
Friday, November 18, 2011 at 10:11pm

Physical Chemistry
Derive an expression for number of electrons N(E) with energy that can escape from a metal in terms of Z(E) (density of state) and F(E) (Fermi-dirac function) and ф (work function).
Friday, November 18, 2011 at 12:20pm

physical science
A 1200-kg car reaches a speed of 11 m/s from rest in 10 seconds. Determine the cars power.
Friday, November 18, 2011 at 1:00am

Chemistry
The compound butane, has two structures. They have the same molecular formula but different arrangements of bonds in their structures. As a result, they can have different chemical and physical properties. Draw the lewis structures of all the isomers of pentane, C5H12. I am ...
Wednesday, November 16, 2011 at 5:36pm

physics
To show your friends how strong you are, you start pushing a big container with mass 50 kg along a long, flat highway. While you are pushing the container in a horizontal direction with an average force 350 N, it moves with acceleration 1 m/s/s. After 5 seconds of pushing you...
Wednesday, November 16, 2011 at 12:10pm

English- Due Soon
Please check for any errors and correct them. Thank You. The word Divorce can make a lot of people feel hurt, angry, and depressed. But for others, it can mean the end to a bad or abusive marriage. Many people do not like to talk about it, but it can put a huge strain on kids...
Wednesday, November 16, 2011 at 11:40am

Englsih due at 10:30
please proof read for any errors and correct them Thank The word Divorce can make a lot of people feel hurt, angry, and depressed. But for others, it can mean the end to a bad or abusive marriage. Many people do not like to talk about it, but it can put a huge strain on kids&#...
Wednesday, November 16, 2011 at 11:06am

Angermanagement
1. State how you hurt your loved one. What did you do? List all instances of verbal, emotional, or physical abuse. You could have hurt a loved one in many different ways: - not being honest - loss of trust - cheating on your partner - abusive tendencies; yelling, physical ...
Monday, November 14, 2011 at 5:22pm

Angermanagement
1. State how you hurt your loved one. What did you do? List all instances of verbal, emotional, or physical abuse. 2. What effects has your behavior had on that person or persons, especially on his/her capacity to sustain the attachment: interest, compassion, trust, intensity ...
Monday, November 14, 2011 at 5:12pm

ACCOUnting
Chen Company manufactures basketballs. Materials are added at the beginning of the production process and conversion costs are incurred uniformly. Production and cost data for the month of July 2010 are as follows. Production Data-Basketballs Units Percent Complete Work in ...
Monday, November 14, 2011 at 1:20pm

English- Due @ 8
Please chech for any errors and let me know if I need to change please correct it for me. Obesity is one of the major causes of health problems in the United States. According to Charles Schmidt, obesity is starting to catch up with smoking, which is causing illness and death...
Sunday, November 13, 2011 at 11:09pm

psychology
# 1.31 (1 pts.) Debbie is a little girl who has been diagnosed as having autistic disorder. Each time she engages in self-injurious behavior, like head-banging, her mother immediately runs over and attempts to stop her by holding her close. According to behavioral theorists, ...
Sunday, November 13, 2011 at 5:55pm

psychology
# 1.1 (1 pts.) Roger is experiencing a memory loss that may be related to recently contracting herpes. Which of the following diagnoses would best fit his condition? A) dissociative amnesia B) retrograde amnesia C) amnestic disorder due to a general medical condition D) ...
Saturday, November 12, 2011 at 12:37am

Grammar
1.A piece of the suture __________ embedded in the scar tissue. A) was B) were 2.He is the doctor __________ performed my appendectomy A) who B) whom C) whose 3.Neither the fracture nor the laceration __________ surgery. A) require B) requires 4.The fractures of his phalanges ...
Friday, November 11, 2011 at 5:59pm

Chemistry
How do valence electrons play a part in the physical or chemical charactersitics of an element?
Friday, November 11, 2011 at 10:04am

psy
Outline, in a response, the main points that a therapist might cover in a counseling session to help each individual for each scenario. Your response should be 700 to 1,050 words in length. · Anna, an adolescent girl, is very much in love with her boyfriend who is three...
Thursday, November 10, 2011 at 9:07pm

psy
yes i would I also have two others also this is everything. · Anna, an adolescent girl, is very much in love with her boyfriend who is three years older than she. He is putting a lot of pressure on her to have sex. At the same time, she is anxious about her parents’...
Thursday, November 10, 2011 at 8:34pm

World Geography
What websites will have information on Switerland Attractinos? I need to find 4 Attractions. A Religious, Cultural, Physical(Natural), and a Historical one.
Thursday, November 10, 2011 at 5:14pm

Statistics
Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24-hour cycle of sleeping and waking—even if they are not exposed to the usual pattern of sunlight. To test...
Wednesday, November 9, 2011 at 3:14pm

English Help Please Due at 8am
Please proofread for any errors. If you see any please correct them. Thank you. Obesity is one of the major causes of health problems in the United States. Research has been done about this topic for many years. It is more common in the United States because of all the ...
Wednesday, November 9, 2011 at 1:00am

Physics
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except that one is made of wood (mass = 0.17 kg) and the other of metal (mass = 0.85). They are ...
Tuesday, November 8, 2011 at 4:00pm

Physics
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except that one is made of wood (mass = 0.17 kg) and the other of metal (mass = 0.85). They are ...
Tuesday, November 8, 2011 at 11:08am

Physics
Hello, I posted this a bit ago, but am not sure the suggested solution was correct. Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except that ...
Monday, November 7, 2011 at 4:26pm

Physics
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except that one is made of wood (mass=0.34 kg) and the other of metal (mass=0.63 kg) They are set ...
Monday, November 7, 2011 at 2:49pm

Psychology
Sound that impinges on the inner ear and the auditory nerve arrives as a fairly meaningless stimulus. At this point, it should be viewed as: a. perception. b. sensation. c. an auditory stimulus item. d. free of environmental noise. I think it is either a or b. I know that ...
Monday, November 7, 2011 at 2:11pm

Physical Science
What is the bond type of silicon difluoride?
Monday, November 7, 2011 at 12:12pm

Psychology
Optimum physical health usually occurs: a. between the ages of 15 and 21. b. between the ages of 18 and 25. c. between the ages of 25 and 40. d. between the ages of 40 and 55. I think it is either c or d.
Monday, November 7, 2011 at 4:26am

physical science
a yo-yo is swung in a vertical circle in such a way that its total energy KE+ Pe is constant. At what point in the circle is the speed a maximum? minimum? why?
Sunday, November 6, 2011 at 8:30pm

Managerial ECON
Suppose that a firm is currently employing 10 workers, the only variable input, at a wage rate of $100. The average physical product of labor is 25, the last worker added 10 units to total output, and total fixed cost is $5,000 a. What is marginal cost? b. What is average ...
Sunday, November 6, 2011 at 4:55pm

Law
"A person who has both rights and duties" is a concept that defines the most basic concept of the law. In U.S. law, a person is defined as having all of the rights specified in the first 10 amendments to the U.S. Constitution (the Bill of Rights), plus many rights ...
Friday, November 4, 2011 at 6:42pm

Physical Science
DISTANCE-TIME for RUNNERS Time(s) 1 2 3 4 Sally's Distance(m) 2 4 6 8 Alonzo's Distance(m) 1 2 2 4 Make a distance-time graph that shows the motion of both runners. What is the average speed of each runner? Which runner stops briefly? Over what time interval do they ...
Thursday, November 3, 2011 at 5:24pm

physical science
If a book sits on a shelf1.5 m above the floor.One frienf tells you that the book's mechanical energy is zero, and another says it is not . Who is correct?
Thursday, November 3, 2011 at 7:39am

physical science
A certain radioactive substance has a half-life of 1 hour. If you start with 1 gram of the material at noon, how much will be left at 3:00 P.M.? At 6:00 P.M.? At 10:00 P.M.?
Wednesday, November 2, 2011 at 10:08pm

physical science
a charge of + 2x10-7c is 10cm from a charge of -6x10-6c find magnitude and direction of force on each charge
Wednesday, November 2, 2011 at 2:47pm

Science
Examine the obvious environmental impacts as well as significant social and physical ramifications of urban sprawl. What is the relationship between landscape and psychological well being? After defining this relationship, discuss how the presence or absence of natural beauty ...
Wednesday, November 2, 2011 at 6:09am

Physical Science
Based on a data table of their preliminary observations, which is shown below, complete the final column entitled: “Number of Valence Electrons” and then answer the questions that follow. Element Name Symbol Group Number Alkalininium A 1 Earthium E 2 Redonkulinium R ...
Tuesday, November 1, 2011 at 7:39pm

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