Friday
April 18, 2014

Homework Help: Health: Physical Fitness

Recent Homework Questions About Physical Fitness

Post a New Question | Current Questions

Justice system
Detectives more typically focus their energies on homicide and rape cases, as opposed to burglary and robbery cases, because: A. there is political pressure to do so. B. the victims can more often provide clues that make the cases easier to solve. C. insurance companies can ...
Tuesday, May 14, 2013 at 4:02pm

physical science
a=F/m = 14000/2500 =5.6 m/s^2
Tuesday, May 14, 2013 at 12:16pm

physical science
If the mass of a plane is 2,500 kg and the net force on it is 14,000 N, what is the plane's acceleration?
Tuesday, May 14, 2013 at 10:35am

Physical Education
(a) Calculate the average blood velocity in the major arties given that the aorta has a radius of 1.0 cm, the blood velocity is 30 cm/s in the aorta, and the total cross-sectional area of the major arties is 20 cm2 (b) What is the total flow rate? (c) On the assumption that ...
Monday, May 13, 2013 at 10:29pm

Physical Science
KE=mv²/2 m= ρV kinetic energy per unit volume V KE₁ =KE/V= mv²/2V =ρV•v²/2V = ρv²/2
Monday, May 13, 2013 at 6:13pm

oops--physical chemistry
I believe that is 15 atm for Ptotal and not 1.5.
Monday, May 13, 2013 at 5:28pm

physical chemistry
I would do this. Let x = fraction of gas that is NO2 The 1-x = fraction that is N2O4 molar mass NO2 = 46 molar mass N2O4 = 92 46(x) + (92(1-x) = 69 Solve for x and I get 0.5 which is the mole fraction of these gases. Then pNO2 = XNO2*Ptotal and pN2O4 = XN2O4*Ptotal Finally, Kp...
Monday, May 13, 2013 at 5:13pm

Physical Science
Blood is pumped from the heart at a rate of 5L/min into the aorta of radius 2.0cm. Assuming that the density of blood 1x103 kg/m3 .Determine the velocity of blood through the aorta
Monday, May 13, 2013 at 3:41pm

Physical Science
ratio of radii = √(ratio of areas) ratio of forces is inverse of ratio of areas
Monday, May 13, 2013 at 3:01pm

Physical Science
A dentist’s chair with a patient in it weight 2100N. The output plunger of a hydraulic system begins to lift the chair, when the dentist’s foot applies of 55N to the input piston. Neglect any height difference between the plunder and the piston. What is the ratio of ...
Monday, May 13, 2013 at 2:25pm

Physical Science
my dear , how did you get this formula of KE, KE=mv2/2 and the mass is equal to (rho)(volume ) so KE=(RHO)(VOLUME)(V2)/2 ,, I confused , can you explain more please
Monday, May 13, 2013 at 1:09pm

Physical Science
Thank you
Monday, May 13, 2013 at 12:54pm

Physical Science
KE=ρv²/2= 1•10³•0.5²/2=125 J
Monday, May 13, 2013 at 12:33pm

Physical Science
- What is the kinetic energy ,KE, per unit volume V of blood that has a speed of 0.5 m/s. Take density ofĉblood = 1.0x103kg/m3
Monday, May 13, 2013 at 12:27pm

Physical Education
mg=F(buoyant), ρ₁Vg=ρ₂0.64Vg, ρ₁=0.64ρ₂=0.64​9;806=515.84 kg/m³.
Monday, May 13, 2013 at 12:19pm

Physical Education
Thank you very much ^__^
Monday, May 13, 2013 at 12:06pm

Physical Education
rate (m^3/s) = speed (m/s) * area (m^2) = 0.35 * 2.0*10^-4 = 0.70 * 10^-4 = 7.0 * 10^-5 = .0000070 m^3/s 7.0*10^-5 = v * .28 v = 25 * 10^-5 = 2.5 * 10^-4 m/s
Monday, May 13, 2013 at 10:49am

Physical Education
Oh ,,I am sorry , I mean science
Monday, May 13, 2013 at 10:17am

Physical Education
math ..
Monday, May 13, 2013 at 10:14am

Physical Education
Suppose that blood flows through the aorta with a speed of 0.35 m/s. The cross-sectional area of the aorta is 2.0x10-4 m2. (a) Find the volume flow rate of the blood (b) The aorta branches into tens of thousands of capillaries whose total cross-sectional area is about 0.28 m2...
Monday, May 13, 2013 at 9:56am

Physical Education
A solid object floats on ethyl alcohol, with 68.2%of the object’s volume submerged .Find the density of the object. Take density of alcohol =806 kg/m
Monday, May 13, 2013 at 9:12am

physical chemistry
The system N2O4 <--->2NO2 maintained in a closed vessel at 60º C & a pressure of 5 atm has an average (i.e. observed) molecular weight of 69, calculate Kp. At what pressure at the same temperature would the observed molecular weight be (230/3)
Sunday, May 12, 2013 at 11:41am

physical science
How to unscramble this word isarntucio
Saturday, May 11, 2013 at 11:58pm

physical
m=ρV=ρπr²h=1950•​;π•0.051²•0.003=0.04​8 kg
Friday, May 10, 2013 at 4:15pm

Psychology
Psychophysics studies the relation between physical stimuli and a person's sensations and/or perceptions.
Friday, May 10, 2013 at 3:14pm

physical what?
If you really want the help of an expert in this subject, you'll follow directions and put the FULL SUBJECT in the School Subject box.
Friday, May 10, 2013 at 10:09am

physical
A solid cylinder has a radius of 0.051 m and a height of 0.0030. The cylinder is composed of two different materials with mass densites of 1950 kg/m3. If each of the two materials occupies an equal volume, what is the mass of the cylinder?
Friday, May 10, 2013 at 10:03am

Psychology
When physical energy has resulted in a response in a sense organ, it is clear that: (Points: 5) perception has taken place. the activation is the result of stimulus. the brain has interpreted the event. a single isolated sense is now perceiving the event. I believe it is the ...
Friday, May 10, 2013 at 9:37am

scholarship essay
What makes me deserving of this scholarship is my dedication to succeed, my work ethic, and leadership skills. Throughout my years in school I have always been recognized as a person that loves to be the best. People all over the world have dreams that never come true. One ...
Thursday, May 9, 2013 at 10:23am

LIFE ORIENTATION
LACK OF PHYSICAL FITNESS AND PROPER NUTRITION IN ADOLESCENT.DESCRIBE THE LIFESTYLE DISEASE.MENTION 5 FACTORS THAT CONTRIBUTE TO THE DISEASE.
Thursday, May 9, 2013 at 5:05am

physical scinsce
F=1000n, F=ma, a=F/m=1000n/10= 100n. a=v²/2s, v²/2s=100n, n= v²/200s=50²/200•10=1.25. The amount of explosive is 1.25•10 =12.5 kg.
Thursday, May 9, 2013 at 3:55am

physical scinsce
A cannon that is 10m long is designed to launch a 10kg ball over a castle wall. In order to do this the ball must have a speed of at least 50m/s as it exits the cannon. For every 10kg of explosives used, the force on the ball in the cannon increases by 1000N. How many kg of ...
Thursday, May 9, 2013 at 1:26am

physical scinsce
A cannon that is 10m long is designed to launch a 10kg ball over a castle wall. In order to do this the ball must have a speed of at least 50m/s as it exits the cannon. For every 10kg of explosives used, the force on the ball in the cannon increases by 1000N. How many kg of ...
Thursday, May 9, 2013 at 1:25am

Psychology
When physical energy has resulted in a response in a sense organ, it is clear that: (Points: 5) perception has taken place. the activation is the result of stimulus. the brain has interpreted the event. a single isolated sense is now perceiving the event. I believe it is the ...
Wednesday, May 8, 2013 at 10:59pm

life orientation
describe the lack of physical fitness and 5 factors that contribute to the disease?
Wednesday, May 8, 2013 at 5:40pm

physical science
if the maximum amount of water vapor in the air at 15 degrees c is 12.5 g/m^3, what is the actual amount of water vapor in the air if the relative humidity is 85.0%
Wednesday, May 8, 2013 at 9:39am

Science
Please check my answers (at the bottom) with these questions. 1. An apple quickly changes color when exposed to air. This demonstrates a ________. (1 point) physical property chemical property physical change all of the above 2. When a chunk of dry ice is at room temperature, ...
Tuesday, May 7, 2013 at 12:22pm

Physical Science
Which screen?
Tuesday, May 7, 2013 at 12:04am

Health
WITH STARS IS MY ANSWER! (*) 1) A drug created by a chemical reaction in some foods, especially fruits and grains A= neurons B= cirrhosis C= alcohol ****** D= depressant 2) Being drunk A= intoxicated ****** B= withdrawal C= alcohol D= minor 3) Cells that make up the nervous ...
Monday, May 6, 2013 at 9:22pm

Physical Science
1. What is molarity of products? I can't decide if it's a. The concentration of the reactants measured in mol/L of solution or b. The concentration of the products measured in mol/L of solution 4. How does pressure relate to reaction rates? I'm stuck between a. ...
Monday, May 6, 2013 at 7:28pm

GRAMMAR
"Farther, farthest" usually is used when you are referring to physical distances ... miles, yards, inches, etc. "Further, furthest" usually is used when you are referring to abstract ideas, not physical distances.
Monday, May 6, 2013 at 6:11pm

Chemistry
For the following battery: Cd(s) | CdCl2(aq) || Cl–(aq) | Cl2(l) | C(s) (a) Write the reduction half-reaction occuring at the C(s) electrode. (Include physical states of reactants and products.) C(s) electrode:? (c) Calculate the mass of Cl2 consumed if the battery ...
Monday, May 6, 2013 at 5:48pm

Physical Science
1. What is molarity of products? I can't decide if it's a. The concentration of the reactants measured in mol/L of solution or b. The concentration of the products measured in mol/L of solution 4. How does pressure relate to reaction rates? I'm stuck between a. ...
Monday, May 6, 2013 at 12:35pm

Physical science
How much current flows in a 12-watt radio connected to a 120-volt circuit?
Sunday, May 5, 2013 at 2:37pm

physical science
How much current flows in a 12-watt radio connected to a 120-volt circuit?
Sunday, May 5, 2013 at 2:28pm

Physical Science
if a blue object is placed in front of the screen, what color will it be? explain the answer.
Sunday, May 5, 2013 at 1:51pm

Physical Science
force*time=mass*changevelocity
Sunday, May 5, 2013 at 1:36pm

Physical Science
A car of mass 900 kg moves at 10 m/s. What is the braking required to stop the car in a time of 5 seconds
Sunday, May 5, 2013 at 1:34pm

physical aspects
A 600 lb. oak packing crate is sitting on a cross grained, 14 ft long, oak ramp. The force of the box against the ramp is 520 lbs, and the downhill force on the box is 300 lbs. Will the box slide down the hill all by itself? Give the box a nudge, will it stop? If the box will ...
Sunday, May 5, 2013 at 8:21am

Physical Science
10. The more compact a metal is, the less brittle it becomes. -True? I'm confused about this one because of what the textbook says: "the more compact the atoms become, the harder the metal becomes. While the compactness makes the metal hard, a fracture on any boundary...
Thursday, May 2, 2013 at 8:24pm

Physical Science
10. The more compact a metal is, the less brittle it becomes. -True? I'm confused about this one because of what the textbook says: "the more compact the atoms become, the harder the metal becomes. While the compactness makes the metal hard, a fracture on any boundary...
Thursday, May 2, 2013 at 11:26am

Physical Science
The issue is what is meant by rust. In the real world, there are two iron oxides: FeO and Fe2O3 which are the common oxides for the two common valence forms of the iron molecule. In common rust, these two oxides and their hydroxides are present, almost half and half, along ...
Thursday, May 2, 2013 at 9:02am

Physical Science
To make 2 molecules of Fe2O3 "rust", six O atoms are needed, along with two iron atoms. That would require three water (H2O) molecules, if there were no other source of oxygen. Therefore the correct answer is False. http://en.wikipedia.org/wiki/Iron(III)_o​xide
Thursday, May 2, 2013 at 8:36am

Physical Science
6. In order to turn 2 iron atoms into rust, 2 water molecules must be present. -False?
Thursday, May 2, 2013 at 7:07am

physical science
A nail is driven into a board to a depth of 1.00 cm with one strike from the hammer. The hammer striking the nail hit it with a force of 200.00 Newtons. How much work was done?
Wednesday, May 1, 2013 at 6:29pm

life oreination
http://www.livestrong.com/article/291307​-lack-of-physical-fitness-proper-nutriti​on-in-adolescents/ http://www.livestrong.com/article/292056​-physical-fitness-and-proper-nutrition-i​n-the-adolescent/
Wednesday, May 1, 2013 at 11:33am

life oreination
5 factors that contribute to a lack of physical fitness and proper nutrition in the adolescent
Wednesday, May 1, 2013 at 9:53am

Speech
Analysing errors consumes time and money. In order to assure that the physical erosion processes are correctly identified both error analysis and standardisation of measuring techniques are necessary to limit uncertainty and to minimise misinterpretation For the last paragraph...
Wednesday, May 1, 2013 at 7:48am

Speech
Pretty good. Here are some things I'd change: In sentence 1, it's not clear what "it" is (right after "because") ... erosion or research. Remove "it" and put in the correct noun. In sentence 2, "They" and "thus" need to...
Wednesday, May 1, 2013 at 7:12am

Speech
Please rephrase the following sentences into a more simple manner. I need to give a presentation and i would like to write this out simpler. Thank you guys Research of soil erosion is difficult for several reasons, but particularly because soil erosion is an intermittent ...
Wednesday, May 1, 2013 at 6:16am

Physical science
A: increasing water temperature
Monday, April 29, 2013 at 4:38pm

physical science
If a sample emits 1000 counts per second when the detector is 1 meter from the sample, how many counts per second would be observed when the detector is 2 meters from the sample?
Monday, April 29, 2013 at 4:35pm

Science
1.A 2.A 3.C 4.C 5.D 6.B 7.D 8.C 9 Chemilcal I dont know if number ten is fully right but i hope it helps. 10. Color is classified as both physical and chemical properties. Color is a physical property because it is the visible light that the substance does not absorb. Color is...
Monday, April 29, 2013 at 3:21pm

LANGUAGE ARTS UGRENT!!!
1. What's the fastest way to find out how many individual letters are quoted in the article? A: Count the number of photos in the article. B: Read the article. C: Count the heads and subtract the first head. D: Count the number of footnotes. 2. Where should you insert a ...
Monday, April 29, 2013 at 2:20pm

life orientation
Descrise the Factors that contribute to lack of physical fitness and proper nutrition in the adolescent
Monday, April 29, 2013 at 1:58pm

physical science
http://www.webopedia.com/TERM/E/earth_st​ation.html
Monday, April 29, 2013 at 12:23pm

physical science
define earth station
Monday, April 29, 2013 at 11:46am

physics for physical science
2.232667747500
Sunday, April 28, 2013 at 7:12pm

History
Well I have been working on an essay for a couple days now about slavery, here it is: Slavery began in the 16th century, but ended in the 19th century. Slaves went through a lot of torture then, but some blacks now still deal with some of the problems the slaves had back then...
Sunday, April 28, 2013 at 4:31pm

Physical Science
#4
Sunday, April 28, 2013 at 1:45pm

Physical Science
Four balls are taken to the top of a building. Ball 1 is dropped (zero initial velocity). Ball 2 is thrown straight up with a velocity of 3 m/s. Ball 3 is thrown straight out with a horizontal velocity of 3 m/s. Ball 4 is thrown straight down with a velocity of 3 m/s. Which ...
Sunday, April 28, 2013 at 1:36pm

life orientation
Which critical behaviourimpact of the lack of physical fitness and proper nutrition in the adolescent
Sunday, April 28, 2013 at 1:08pm

Physical Education
No
Sunday, April 28, 2013 at 11:47am

Physical Education
Is a drug a food?
Sunday, April 28, 2013 at 10:54am

physical sciences
plan,design and conduct an investigation to find out wether the amount of heat produced will depend on an increase on the concentration of HCL when HCL reacts with an excess Zn
Sunday, April 28, 2013 at 5:17am

physical science
(A)tetrahedral This distorted tetrahedral arrangement is call bent. http://www.ausetute.com.au/shapemol.html​
Sunday, April 28, 2013 at 4:11am

physical science
The shape of water molecule is (A)tetrahedral (B)linear (C)angular (D)trigonal planar
Sunday, April 28, 2013 at 3:23am

Physical Science
Se my answer to same question posted later
Sunday, April 28, 2013 at 2:21am

Physical Science
A park ranger wants to shoot a monkey hanging from a branch of a tree with a tranquilizing dart. The ranger aims directly at the monkey, not realizing that the dart will follow a parabolic path and thus will fall below the monkey. The monkey, however, sees the dart leave the ...
Saturday, April 27, 2013 at 3:26pm

life orientation
Provise five or more ways in which you critically discuss how lack of physical fitness and proper nutrition impacts on a teenager?
Saturday, April 27, 2013 at 12:55pm

physical science
how much power is used to lift a 100-n bucket a distance of 10-m in 12 seconds
Friday, April 26, 2013 at 2:45pm

physics for physical science
The gravitational constant G =6.67•10⁻¹¹ N•m²/kg², h=100000 m m=1040 kg Earth’s mass is M = 5.98•10²⁴kg, Earth’s radius is R = 6.37 •10⁶ m. (a) F =G•m •M/(R+h)² (b) a= G• M/(R+h)²...
Friday, April 26, 2013 at 2:40pm

English
To avoid speaking in monotone, a strategy to use can include: A. changing pitch and tone of voice. B. voice inflection. C. varying rate and pace of speaking. D. All of the above i'm confused betwen A & D 2. Which nonverbal consideration creates immediate impressions among ...
Friday, April 26, 2013 at 1:02pm

physics for physical science
(a)what is the magnitude of the gravitational force of the earth on a surveillance satellite of mass 1040kg that is in a grazing circular orbit 100 km above the surface of the earth. (b)find the magnitude of the acceleration of the satellite in such a grazing orbit. (c)...
Friday, April 26, 2013 at 11:27am

physics for physical science
a bullet of mass 0.015kg strikes ballistic pendulum of mass 2.0kg .the center of mass of the pendulum rises a vertical distance of 0.12m.assuming that the bullet remains embedded in the pendulum, calculate the bullet's initial speed.
Friday, April 26, 2013 at 10:56am

physics
500 * 1.54 = x 500 * x * 2.50^2
Thursday, April 25, 2013 at 7:30pm

English
Now that we have gathered a vast amount of ____ it is up to us to draw some useful conclusions from all this information data 6.After the war, all the property that has been ____ by the government was turned back to its former owners confiscate 7.Little did I realize when I ...
Thursday, April 25, 2013 at 6:02pm

physical science
plan,design and condact an investigation to find out whether the amount of heat produced will depend on an increase on the concentration of HCl when HCl reacts with an excess Zn.
Thursday, April 25, 2013 at 5:08pm

7th Grade Language- Arts Ms.Sue~!
3. Where should you insert a colon in this sentence? Interview the following people Dave, Barb, Jose, and Mary Ann. (1 point) after following after people after Jose nowhere 4. Which sentence does not include an abbreviation? (1 point) The movie starts at 12:45 p.m. Dr. Ross ...
Wednesday, April 24, 2013 at 7:49pm

Physical science
A ball is thrown up at 8m.s from the roof which is 60m high.it strikes the balcony below after 4s.the ball then bounces off the balcony and strikes the ground.ignore the effects of friction.calculate magnitude of the velocity at which the ball strike the balcony?
Wednesday, April 24, 2013 at 4:08pm

7th Grade Health Ms. Sue
1. The body's functions are slowed when alcohol reaches where? (1 point) The stomach The heart The liver The brain 2. Which statement is NOT true? (1 point) Regular use of alcohol can lead to addiction. Alcoholism can be cured. Someone cannot cause someone else to drink. ...
Wednesday, April 24, 2013 at 2:09pm

PHYSICAL SCIENCE
32 J
Wednesday, April 24, 2013 at 12:47am

Life Orientation
Discribe the lifestyle disease or behaviour and explain 5 or more factors that contribute to the lack of physical and proper nutrition in the adolescence.
Tuesday, April 23, 2013 at 10:59am

Science/DUE TODAY
please help!!! quick!!! How is a polar bear adapted to living in a desert? (behavioural and physical)!!! write something that is a good answer and that i can understand.
Tuesday, April 23, 2013 at 2:28am

Health
What physical changes do individuals encounter at the first stage of stress (alarm)?
Monday, April 22, 2013 at 7:22pm

Physical Science
1: the answer is a. It remains constant. The other two are right.
Monday, April 22, 2013 at 4:50pm

Physical science
It corect
Monday, April 22, 2013 at 11:08am

Physical Science
It is more complicated than that. See http://scienceblogs.com/dotphysics/2010/​04/07/surface-tension-vs-floating/
Monday, April 22, 2013 at 1:32am

Physical Science
When will an object float on a fluid's surface? My answer: An object will float on a fluid's surface if only the object is less dense than the fluid?
Sunday, April 21, 2013 at 7:10pm

Life Orientation
Describe the life style disease/behaviour and explain factors that contribute Lack of Physical Fitness and Proper Nutrition in the Adolescent
Sunday, April 21, 2013 at 10:10am

Pages: <<Prev | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | Next>>

Post a New Question | Current Questions

Homework Help: Health

Search
Members