Saturday
October 25, 2014

Homework Help: Health: Physical Fitness

Recent Homework Questions About Physical Fitness

Post a New Question | Current Questions

Physical Science
If the light of a monochromatic source has a photon energy of 4.32 x 10-19 J, what is its wavelength in nm?
Friday, March 2, 2012 at 6:59pm

Physical Science
What is the frequency of a photon of blue light, if it has a wavelength of 440 nm?
Friday, March 2, 2012 at 6:58pm

Physical Science
What is the frequency of a photon of blue light, if it has a wavelength of 440 nm?
Friday, March 2, 2012 at 6:57pm

Physical Science
What is the speed of a photon of red light, if its frequency is 4.3 x 1014 Hz?
Friday, March 2, 2012 at 6:57pm

Physical Science
What is the energy per photon of a light source if it has a wavelength of 460 nm?
Friday, March 2, 2012 at 6:56pm

Physical Science
How many photons of sunlight are striking a 1 square meter surface per second, if it is receiving 600 watts of power?
Friday, March 2, 2012 at 6:56pm

english
please can you help me to arrange if my answers are correct. 1. subject - the audience from ahich you are writing 2. puropose - the reason you are writing 3. readers- the physical, economic political and ethical use place in which the audience will read he document 4. context ...
Friday, March 2, 2012 at 6:45pm

chemistry
At standard pressure, ammonia melts at 195 K and boils at 240 K. If a sample of ammonia at standard pressure is cooled from 200 K down to absolute zero, what physical constants are needed to calculate the change in enhtalpy? I) the heat capacity of ammonia(s) II) the heat ...
Thursday, March 1, 2012 at 8:30pm

chem
At standard pressure, ammonia melts at 195 K and boils at 240 K. If a sample of ammonia at standard pressure is cooled from 200 K down to absolute zero, what physical constants are needed to calculate the change in enhtalpy? I) the heat capacity of ammonia(s) II) the heat ...
Thursday, March 1, 2012 at 7:17pm

physical science
In raising a 5000-N piano with a pulley system, the movers note that, for every 2m of rope pulled down, the piano rises 0.3m. Ideally, show that the force required to lift the piano is 500-N.
Tuesday, February 28, 2012 at 4:07pm

Physical Science
A boat exerts a force of 417N pulling a water skier who is 64kg at rest. The skier speed is 15m/s. over what distance was the force exerted?
Tuesday, February 28, 2012 at 12:10pm

physical science
a bicyclist accelerates at 0.89m/s squared during a 5.0 s interval. What is the change in speed of the bicyclist and the bicycle?
Tuesday, February 28, 2012 at 11:42am

Physical science
What is the force in newtons acting on a 5.7 kg package of nails that falls off a roof and is on its way to the ground?
Tuesday, February 28, 2012 at 11:37am

Physical Science Two Questions Please help!
If no friction acts on a diver during a dive, then which of the following statements is true? A) The total mechanical energy of the system increases. B) Potential energy can be converted into kinetic energy but not vice versa. C) (KE + PE)beginning = (KE + PE)end D) all of the...
Monday, February 27, 2012 at 11:17am

Physical Science
How much work is needed to lift an object with a mass of 51.0 kg to a height of 2.00 meters?  Calculate your answer in Joules Answer
Sunday, February 26, 2012 at 9:39pm

PED 212
Using the databases listed within the Ashford Online Library you will evaluate a research-based article from a peer reviewed journal. Your critique must be grammatically correct, properly cited, and utilize APA style of writing. Choose one of the following topics that can be ...
Sunday, February 26, 2012 at 3:49pm

PED 212
Reflective Journal After reading Chapter 1, reflect on how your perceptions of physical education have changed based on your understanding of its evolution.
Sunday, February 26, 2012 at 3:48pm

physical science
120ml of a solution whose concentration is 30g/ml was diluted with distilled water by raising its volume to 160cm3. Calculate the concentration of the new solution.
Saturday, February 25, 2012 at 4:17pm

health
patricia had a car crash while she was on her way to work one morning.she was badly injured and needed to have an arm amputated.explain three effects that patricias physical disability may have on her self-concept.patricias husband,andy is a teacher.explain three ways that ...
Saturday, February 25, 2012 at 1:10pm

american history
I nee help revising my essay here it is This is what my general view on American History. Well let me tell you it’s a course that we all have to take in high school to graduate. In school we are confronted with American History, state History and general courses of the ...
Friday, February 24, 2012 at 7:37pm

physical chemistry
A sample of the sugar D-ribose (C5H10O5) of mass 0.727g was placed in a constant volume calorimeter and then ignited in the prescence of excess oxygen. The temperature rose by 0.910K In a separate experiment in the same calorimeter, the combustion of 0.825g of benzoic acid for...
Thursday, February 23, 2012 at 11:46pm

Physical Science: PLEASE HELP!!!!!
A wooden raft 3 m long x 2 m wide x 20 cm thick floats on a freshwater lake. A) Determine the buoyant force? B) If the raft itself has a mass of 600 kg, how many 65-kg people could it support?
Thursday, February 23, 2012 at 1:05pm

Physical Education
1. Aerobic activities can be done for an extended period of time and supply oxygen to your muscles. Such activities help develop _______________________. 2. You can change your _______________________ by exercising regularly and eating healthfully. 3. The ...
Thursday, February 23, 2012 at 12:52pm

Physical Science
If a hot iron ball is dropped into 200.0 gram of cooler waterthe water temperature increases by 2.0 celsius and the temperature of the ball decreases by 18.6 celsius. What is the mass?
Wednesday, February 22, 2012 at 8:39pm

Physical Science
Balance this equation: I2+HNO3 = HIO3+NO2+H2O
Wednesday, February 22, 2012 at 8:17pm

physical science
find the mass of sodium chloride formed when 6.9g of sodium burns in a gas jar filled with chlorine gas.
Wednesday, February 22, 2012 at 3:17pm

English
Thank you very much Writeacher! I added a few more things. I'd like you to check them, please 1)At the end of sonnet 12: The image of time as death, bearing a scythe (typical in medieval and Renaissance iconology) is left impotent by the presence of the fair youth’s ...
Tuesday, February 21, 2012 at 6:56pm

English
Writeacher, I'm posting the last sonnet I need to rephrase for tomorrow. I really hope you can have a look at it. 1) Sonnets 116 is about love in its most ideal form. The poet thinks that true love is to be based on mutual trust and understanding. 2) True love doesn’t...
Tuesday, February 21, 2012 at 5:42pm

physical chemistry
1.) Calculate delta rH for the freezing of water at one bar and -10 degrees C. The heat capacities are H2O(s)=36.9 JK-1mol-1 and H2O(l)=74.5JK-1mol-1. delta H for freezing of water at 0 degree C is -6602Jmol-1 (assume C is independent of temperature). 2.) Assume the hot brick ...
Tuesday, February 21, 2012 at 5:03pm

Physical Science
A 200-L iron tank has a mass of 36 kg. a) Will it float on seawater if empty? b) What mass of potatoes could be added such that the tank would still float? [Note: 1000 L = 1 m3 ]
Tuesday, February 21, 2012 at 3:56pm

Physical Science
A wooden raft 3 m long x 2 m wide x 20 cm thick floats on a freshwater lake. A) Determine the buoyant force? B) If the raft itself has a mass of 600 kg, how many 65-kg people could it support?
Tuesday, February 21, 2012 at 3:48pm

physics/chemistry
is conductivity a physical or chemical property
Tuesday, February 21, 2012 at 10:04am

Physical Science
How do you write the chemical equation for neutralization of nitric acid, HNO3, with magnesium hydroxide, Mg (OH)2, first with spectator ions and then without spectator ions?
Monday, February 20, 2012 at 9:38pm

PSY
Humans develop as a result of interactions of 3 influences: genes that the person has inherited, events and situations that are external to the individual and the unfolding of a genetically influenced, often age-related, sequence of physical changes and behavior patterns. ...
Monday, February 20, 2012 at 1:29pm

English
Here is the second part of the rephrase. Thank you very much, Writeacher! 1) Mr. B. charges her with overreacting and, by way of giving her some more substantial grounds for anguish, invites her to sit on his knee. As a matter of fact, Mr B attempts to rape her taking ...
Monday, February 20, 2012 at 4:16am

physics
A grandfather clock uses a physical pendulum to keep time. The pendulum consists of a uniform thin rod of mass M = 7.01 kg and length L = 0.15 m that is pivoted freely about one end, with a solid sphere of the same mass, 7.01 kg, and a radius of L/2 centered about the free end...
Sunday, February 19, 2012 at 3:20pm

Psychology
The emotional risk factor that poses a significant danger to one's physical health is proneness to: a. Antagonistic anger b. depression c. loneliness and worry d. anxiety and helplessness I chose B.
Sunday, February 19, 2012 at 2:07pm

physics
A grandfather clock uses a physical pendulum to keep time. The pendulum consists of a uniform thin rod of mass M = 7.01 kg and length L = 0.15 m that is pivoted freely about one end, with a solid sphere of the same mass, 7.01 kg, and a radius of L/2 centered about the free end...
Sunday, February 19, 2012 at 9:43am

LANG
noxious: harmful or injurious to health or physical well-being A. connotative B. denotative it think A
Saturday, February 18, 2012 at 5:20pm

Physical Science
​ A 3-kg stone is dropped from a height of 100 m.  Find its kinetic and potential energies when it is 50 m from the ground.  
Friday, February 17, 2012 at 11:06am

physical Science
When a light bulb is rated at 60 W ft what do this mean?
Thursday, February 16, 2012 at 9:28pm

physical science
a race car having a mass of 2550 kg is accelerated by a force of 127,500n.what is the accelerration?
Wednesday, February 15, 2012 at 9:13pm

physical science
A child pushes a book a distance of 17m. If 5J of work was done, how much force was used?
Wednesday, February 15, 2012 at 6:15pm

chemistry
Mercury reacts with oxygen to produce mercury(II) oxide. Hg(l) + O2(g) → HgO(s) a. Balance the reaction equation. Include physical states. 2Hg(l) + O2(g) → 2HgO(s) b. What is the theoretical yield (in grams) of HgO if 255 g of Hg are reacted with 255 g of O2? ???
Tuesday, February 14, 2012 at 10:32pm

chemistry
1-Butene (CH2=CHCH2CH3) burns in the presence of O2 to produce CO2 and H2O. Write the balanced chemical equation for this reaction (omit physical states and use condensed molecular formulas). CH2CHCH2CH3+6O2=4CO2+4H2O
Tuesday, February 14, 2012 at 10:12pm

chemistry
Aluminum metal reacts with oxygen gas (O2) to form aluminum oxide. a. Write a balanced equation for this oxidation-reduction reaction. (In this problem you need not worry about the physical state of the reactants or product.) 2Al+3O2=2Al2O3 b. which reactant is oxidized? O2 c...
Tuesday, February 14, 2012 at 10:00pm

English
jake dad not be anymore physical and he not be able to grab jake daughter when she fall into lake. Jake effects rescue. what be the symbolic meaning of incident? jake own past come infront of his eyes?
Tuesday, February 14, 2012 at 8:09pm

English
why jake dislike how his father smile at his attempt and failure in physical activies? That be because he feel embarrassed?
Tuesday, February 14, 2012 at 7:30pm

Physical Geography
38 degrees celcius is what degree F?
Monday, February 13, 2012 at 10:56pm

Human Services
on a intake what are physical factors?
Monday, February 13, 2012 at 10:18pm

psychiatry
Can someone help me to understand physical factors, and psychosocial factors? The case I am dealing with has to do with a female drug user who was emotional abused by her parents who were also drug users and her husband physically abused her. Would the physical factors include...
Monday, February 13, 2012 at 7:03pm

Physical science
A 9kg mass travelling eastwards at 4m.-1 collides with a 3kg mass westwards at 8m.-1.whatis the total momentum of the masses?
Monday, February 13, 2012 at 2:10pm

SCIENCE
Two 2.6 kg physical science textbooks on a bookshelf are spaced 0.22 m apart. What is the magnitude of the gravitational attraction between the books?
Sunday, February 12, 2012 at 11:10pm

physical
Consider a pulse of laser light aimed at the moon that bounces back to earth. The distance between Earth and Moon is 3.8 x 10 (small eight above) m. Show that the round-trip time for the light is 2.5 s.
Sunday, February 12, 2012 at 11:41am

Physical science
Is it possible for an object to have more kinetic energy but less momentum than the other object? Less kinetic energy but more momentum? *i know the answer to both questions is yes, however, i cannot think of examples ??
Saturday, February 11, 2012 at 7:57pm

english
i need help making my conclusion sentence more sense for essay on love. True love be built on solid base of trust, commitment, selflessness and shared admiration without judgment and physical attraction.
Saturday, February 11, 2012 at 7:28pm

physical science
A worker pushes horizontally on a large crate with a force of 312 N, and the crate is moved 6.5 m. How much work was done?
Saturday, February 11, 2012 at 6:38pm

physical Science
What was the average speed in km/h of a car that travels 400km in 4-5h?
Thursday, February 9, 2012 at 7:24am

English
Thank you very, very much indeed! Here is the second part, concerning the scientific and linguistic objectives. The question is: " What are the concrete objectives of the partnership"? 1)Scientific objectives - describing the biodiversity, the presence of ...
Wednesday, February 8, 2012 at 10:22am

English
Writeacher, I have finally reached an agreement with my German partner. However, I'll have to check the English version of the application form by tomorrow (which is full of mistakes and contradictions! Plus: I'm ill and on sick leave). I really hope you can help me ...
Wednesday, February 8, 2012 at 9:29am

physical
a copper calorimeter of mass 150g was half filled with water of 300g and temperature 0c. 5g of ice at oc was added to the content, later some quantity of steel was passed into the mixture and temperature by 20c. calculate the quantities of steel added if the latent heat of ...
Tuesday, February 7, 2012 at 6:02pm

Physical Chemistry
A mole of air (80% Nitrogen, and 20% Oxygen by volume) at 298.15K is brought into contact with liquid water which has a vapor pressure of 3168Pa at this temperature. a) what is the volume of the dry air if the pressure is 1 bar? b) what is the final volume of the air saturated...
Monday, February 6, 2012 at 10:45pm

Science
What environmental niche is most suitable for an animal that eats fruit? A.artic tundra B.temperate swamp C.temperate plains D.tropical forest D? Which of these is NOT an adaptation for the Fennec Fox? A.beige coat to camoflauge B.small ears to prevent heat loss C.hunting ...
Monday, February 6, 2012 at 8:21pm

English
Thank you very much. As for my project, I translate the presentation of the school literally (without changing any single word). I I think we should shorten sentences and choose more appropriate words. 1) The scientific high school …… was founded in 1969. It ...
Monday, February 6, 2012 at 7:40pm

Science
What environmental niche is most suitable for an animal that eats fruit? A.artic tundra B.temperate swamp C.temperate plains D.tropical forest D? Which of these is NOT an adaptation for the Fennec Fox? A.beige coat to camoflauge B.small ears to prevent heat loss C.hunting ...
Monday, February 6, 2012 at 5:23pm

Physical Anthropology
Given the organic remains associated with the fossil, what method might yield a robust chronological date for Spy 2, a Neanderthal from Beligum?
Sunday, February 5, 2012 at 10:43pm

Physical Anthropology
Given the numerous large and small mammalian remains associated with the fossil, what method might be useful to estimate and absolute data for DNH 7, a nearly complete cranium of Australopithecus robustus from the Drimolen site in South Africa?
Sunday, February 5, 2012 at 10:42pm

Physical Anthropology
KNM-ER-3733, a fossil cranium from early Pleistocene, was found in a stratigraphic sequence in East Africa (Koobi Fora).What methods might be useful to estimate a chronological date for the fossil? What additional techniques might support the chronometric date?
Sunday, February 5, 2012 at 10:41pm

Physical Science
The string of a certain yo-yo is 80 cm long and will break when the force on it is 10 N. What is the highest speed the 200 g yo-yo can have when it is being whirled in a circle? Ignore the gravitational pull of the earth on the yo-yo.
Wednesday, February 1, 2012 at 1:22pm

Physical Science
A man has a mass of 70 kg. A) What would his weight be on Jupiter which as an acceleration of gravity of 25m/s^2? B) What would the mass of a person have to be in order for him to weigh that amount on earth?
Wednesday, February 1, 2012 at 1:20pm

Physical Science
A force of 20 Newtons gives a brick an acceleration of 5 m/s^2. What is the mass of the brick?
Wednesday, February 1, 2012 at 1:20pm

Physical Science
A bicycle and its rider together have a mass of 80 kg. If the bicycle's speed is 6m/s, how much force is needed to bring it to a stop in 4 seconds
Wednesday, February 1, 2012 at 1:19pm

Physical Science
The string of a certain yo-yo is 80 cm long and will break when the force on it is 10 N. What is the highest speed the 200 g yo-yo can have when it is being whirled in a circle? Ignore the gravitational pull of the earth on the yo-yo.
Tuesday, January 31, 2012 at 5:07pm

Physical Science
A man has a mass of 70 kg. A) What would his weight be on Jupiter which as an acceleration of gravity of 25m/s^2? B) What would the mass of a person have to be in order for him to weigh that amount on earth?
Tuesday, January 31, 2012 at 4:44pm

Physical Science
A force of 20 Newtons gives a brick an acceleration of 5 m/s^2. What is the mass of the brick?
Tuesday, January 31, 2012 at 4:30pm

Physical Science
A bicycle and its rider together have a mass of 80 kg. If the bicycle's speed is 6m/s, how much force is needed to bring it to a stop in 4 seconds.
Tuesday, January 31, 2012 at 4:25pm

physical chemistry
2. The retina of a human eye can detect light when radiant energy incident on it is at least 4.0X10-17 J. For light of 600-nm wavelength, how many photons does this correspond to?
Monday, January 30, 2012 at 7:34am

Physical Science
Three balls (see below) are dropped simultaneously from the 40th floor of a tall building into the air below. A) In what order will they hit the ground, or will they arrive at the same time? B) Provide an explanation for your answer above. Ball A (softball size; wt= 50 g) Ball...
Sunday, January 29, 2012 at 9:35pm

Physical Science
If there were no air resistance, a quarter dropped from the top of New York's empire state building would reach the ground 9.6 seconds later, what would its speed be? How high is the building?
Sunday, January 29, 2012 at 8:03pm

Physical Science
A person dives off the edge of a cliff 33m above the surface of the sea below. Assuming that air resistance is negligible, (a) How long does it dive last? (b) and with what speed does the person enter the water?
Sunday, January 29, 2012 at 7:54pm

physical science
Joe baked a cake for his mother's birthday. When he removed the cake from the oven, Joe noticed that the cake had not risen. Joe guessed that the baking powder he had used was too old. He designed the following experiment to test his idea. Joe prepared two cakes ¡V ...
Sunday, January 29, 2012 at 6:54pm

physical science
is the study of the moon's phases a pure or applied science
Sunday, January 29, 2012 at 6:49pm

physical education
I'm doing a gym project on some terms. I need to find pictures for each term. What would be a good picture to represent the words, target zone and resting heart rate?
Sunday, January 29, 2012 at 11:07am

physical
a rocket moves through outer space at 11,000 m/s at this rate how much time would be required to travel the distance from earth to moon which is 380,000 km
Saturday, January 28, 2012 at 6:59pm

Science
Emotional and physical changes in boys and girls.
Saturday, January 28, 2012 at 12:56pm

English
Writeacher, this is my last doubt! As I couldn't find anything on the objectives of a project on the biodiversity of water in English I'll have to refer to these objectives which refer to soil. Do you think you can help me? The topic must be water (rivers, ocean etc) ...
Friday, January 27, 2012 at 7:38pm

physics
Cause and Effect Make a graphic organizer like the one on page 301 of your textbook. Fill it with ways to cause physical changes to a piece of paper. Describe the effects each change would have on the paper.
Friday, January 27, 2012 at 12:07am

social studies
How is the physical geography of northern Europe connected to the economies of northern Europe?
Thursday, January 26, 2012 at 7:43pm

physical science
by what means can earth scientists predict discharge of a stream afeter a rainstorm?
Thursday, January 26, 2012 at 6:40pm

physical science
A rectangular container measuring 16cm times 46cm times 67 cm is filled with water what is the mass of this volume of water in kilograms and grams? (take the density of water to be 1000 kg/m cube
Thursday, January 26, 2012 at 9:49am

physical
A bullet of mass 0.01 kg is moving horizontally with a speed of 100 m/s when it hits a block of mass 2 kg that is at rest on a horizontal surface with a coefficient of friction of 0.4. After the collision the bullet becomes embedded in the block.
Thursday, January 26, 2012 at 8:58am

Science/English
writeacher, I urgently need the help of a science expert to help me determine the possible scientific objectives (biochemical) of a project on biodiversity on water. What else can be included? The project is addressed to 16-year-old students with an intermediate level of ...
Thursday, January 26, 2012 at 7:55am

English
I urgently need the help of a science expert to help me determine the possible scientific objectives (biochemical) of a project on biodiversity on water. What else can be included? I wrote them but I need your check: Biodiversity in water and waterways in our local area. ...
Thursday, January 26, 2012 at 7:19am

physical science
If a jogger 10 m away from point p and runninp at a constant speed of 2 m's sees the camera at the same instant it starts falling from the ballon,will he be able to catch the camera before it strikes the ground? Use a culculation to show how you arrived at answer.
Wednesday, January 25, 2012 at 3:59pm

please check
1. Which of the following statements regarding stress and hair loss is NOT true? a. The best treatments for stress induced hair loss are to improve sleep quality, manage stress, and have a healthy dietary intake. b. Stress may cause hair to fall out as a result of destroyed ...
Wednesday, January 25, 2012 at 3:48pm

physical
A crate of mass 20kg is pulled by a force of 100N at an angle 30 above the horizon an friction force of 20N develops between the crate and surface draw a force diagram and free body diagram
Wednesday, January 25, 2012 at 9:58am

physical science
A stone is dropped from rest at the top of a tall building. Determine the distance the ball has traveled after ½ second, one second, 3/2 seconds, and 2 seconds. How fast is the ball moving at the end of the 2 seconds?
Wednesday, January 25, 2012 at 1:20am

Chemistry
How would i summarize the physical properties of ionic compounds, non polar covalent compounds, polar covalent compounds and covalent solids? (this is one part of the lesson i never understood)
Monday, January 23, 2012 at 9:33pm

physical science
What is the pH of a 0.01 M solution of the strong acid HNO3 in water?
Monday, January 23, 2012 at 7:19pm

physical science
a soccer player kicks a ball straight up into the air at 6 m/s.ignore air resistance.what is the velocity of the ball at its highest point?
Monday, January 23, 2012 at 3:01pm

Pages: <<Prev | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | Next>>

Post a New Question | Current Questions

Homework Help: Health

Search
Members