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Homework Help: Physical Education

Recent Physical Education Questions

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Geography and English
What are the key physical features of the Californian Coast
Friday, October 25, 2013 at 5:40pm

Science
What is a substance that cannot be separated into simpler substances by physical or mechanical methods such as filtering, boiling, or sifting?
Friday, October 25, 2013 at 3:22pm

Science
What is a substance that cannot be separated into simpler substances by physical or mechanical methods such as filtering, boiling, or sifting?
Friday, October 25, 2013 at 3:21pm

English
Please help me. I only want to know if I've answered these correctly. Thank you. 1. After the rioters in "The Pardoner's Tale" abandon their search for Death, they murder one another. This is an example of: A. dramatic irony B. situational irony C. verbal ...
Friday, October 25, 2013 at 2:42pm

physics
If the physical half-life of sulfur-35 is 87.1 days, and the biologic half-life in the testicle is 632 days, what is its effective half-life in this organ? I know i have to find the time and then the half-life. But im having trouble finding the time A(t)=Ao x e ^ (-0.693) (t...
Thursday, October 24, 2013 at 9:58pm

Health
5. Each stages targets different, basic needs, such as self-actualization, esteem, social, safety, and physical needs, in which enables one to receive most out of life. However, theses are also similar as each of these stages correspond and relate to both the physical and ...
Thursday, October 24, 2013 at 9:54pm

Physical science
Correction: P = F * d/t=96 * 2.8/4.6=58.43 J/s = 58.43 Watts.
Thursday, October 24, 2013 at 9:27pm

Physical science
P = F * d/t = 96 * 1.2/4.6 = 25.04 J/s.= 25.04 Watts.
Thursday, October 24, 2013 at 9:22pm

Health
1). Describe why good communication is important. A: Good communication is important because it is a process through which two or more people exchange information, and, if the message is not properly sent, misunderstandings can arise. Good communication, however, is also ...
Thursday, October 24, 2013 at 9:09pm

earth science
A heterogeneous mixture is made of different substances that remain physically separate. Heterogeneous mixtures always have more than one phase (regions with uniform composition and properties). A mixture of sand and sugar is a heterogeneous mixture. The grains can be ...
Thursday, October 24, 2013 at 4:24am

Physical Science ASAP
if the two ropes are vertical, then each supports half the weight, or 100N
Thursday, October 24, 2013 at 12:21am

Physical Science ASAP
1. false. there is always friction. hat is what the oil is for. It reduces friction, but does not eliminate it. 2. false. friction produces heat. kinetic energy has been changed to heat energy. 3. true
Thursday, October 24, 2013 at 12:20am

Physical Science ASAP
A child weighing 200 newtons is sitting in the center of a swing. the swing is supported evenly by two ropes, one on each side. what is the tension force in one of the ropes?
Wednesday, October 23, 2013 at 10:24pm

Physical Science ASAP
1. true or false? a well-oiled machine has no friction. explain your answer. 2. True or false? Friction makes energy vanish. Explain your answer. 3. True of false? Electronic machines with no moving parts experience friction and get hot because electricity is moving through ...
Wednesday, October 23, 2013 at 9:36pm

physical
ikj
Wednesday, October 23, 2013 at 1:43pm

Physical science
A ramp is 2.8 meters long and 1.2 meters high. How much power is needed to push a box up the ramp in 4.6 seconds with a force of 96 N?
Wednesday, October 23, 2013 at 12:52pm

science
How would you write a method on a hypotheses relating to meaning in life and both physical and psychological well-being scores.
Wednesday, October 23, 2013 at 10:49am

english
Please help me. I wanna make sure if all corrects this. Thanks. Some people are so (1)ominous to living near a nuclear plant that they want the plant’s license to be (2)nullify. They say the plant infringes on every homeowner’s right to safety. Shannon is (3)endowed ...
Wednesday, October 23, 2013 at 2:36am

JVHS
Physical science
Monday, October 21, 2013 at 9:45pm

Geography Report (Ms. Sue)
I don't know. However, I am uncertain about the paragraph of place. I believe it is supposed to discuss the physical and human features of Chicago, although it only speaks of the latter. Are you certain I could not improve it?
Monday, October 21, 2013 at 5:19pm

physical science
Idk
Monday, October 21, 2013 at 9:27am

ESL proof reading
States. We are living in a same society but some people tend to be healthy and some tend to be less healthy. Many factors contribute to health status of the population such as individual behaviors, physical environment, education, culture and social environment, and ...
Saturday, October 19, 2013 at 11:10pm

chem
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.30 nm. It then gives off a photon having a wavelength of 384 nm. What is the final state of the hydrogen atom? Values for physical constants can be found here.
Saturday, October 19, 2013 at 5:21pm

Science
An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable. A dependent variable is the response or measure of results. Extraneous variables — other than the independent ...
Friday, October 18, 2013 at 7:08pm

Physical Education
Your question makes no sense. Please proofread and clarify.
Friday, October 18, 2013 at 11:55am

Physical Education
In the years of Physical Education, Does it helps STESS? YES or NO? WHY?
Friday, October 18, 2013 at 11:45am

chemistry
Scroll down to physical properties at the following site where the solubility of O2 is given. http://en.wikipedia.org/wiki/Oxygen
Friday, October 18, 2013 at 11:26am

Health
1). State how each of the six risk behaviors could affect one of your goals. A: Each of the six risk factors could affect my goal of becoming an actress immensely. Drug and alcohol use, poor dietary problems, and tobacco use could harm my physical health, making me unable to ...
Thursday, October 17, 2013 at 7:36pm

Science
Honestly, a google search will probably help you... but.... Chemical Composition Core is made of iron with minor amounts of nickel, and lies at the center of the earth Mantle is made of iron-magnesium silicates and surrounds the core. The mantle makes up the bulk of the earth...
Thursday, October 17, 2013 at 5:29pm

Science
What is the difference between the layers of the earth by physical properties and chemical composition
Thursday, October 17, 2013 at 5:22pm

Physical Science
W = (1/6)(100kg*9.8N/kg) = 163.3 N.
Thursday, October 17, 2013 at 3:47pm

Physical Science
d.
Thursday, October 17, 2013 at 3:39pm

Physical Science
5. What reactions occurs when a solution of hydrochloric acid, HCl, is mixed with a solution of calcium hydroxide, Ca(OH)2? (A) Cl + Ca(OH) --> HCa + Cl(OH)2 (B) HCl + Ca(OH)2 --> H(OH)2 + CaCl (C) 2HCl + Ca(OH)2 --> 2H2O + CaCl2 (D) 2HCl + Ca(OH)2 --> H2Ca + 2ClOH...
Wednesday, October 16, 2013 at 8:49pm

Accounting
The following unadjusted trial balance is prepared at fiscal year-end for Nelson Company. NELSON COMPANY Unadjusted Trial Balance January 31, 2013 Debit Credit Cash $ 26,150 Merchandise inventory 14,500 Store supplies 5,000 Prepaid insurance 2,100 Store equipment 42,800 ...
Wednesday, October 16, 2013 at 5:51pm

physical science
which graph represents what happens to the pressure in a tire as air is added to the tire?
Tuesday, October 15, 2013 at 8:01pm

Physical Science
An astronaut in a spacesuit has a mass of 100 kilograms. What is the weight of this astronaut on the surface of the Moon where the strength of gravity is approximately 1/6 that of Earth?
Tuesday, October 15, 2013 at 7:58pm

Physical Science
If the strength of gravity is 9.8 newtons per kilogram, that means: a. each newton of force equals 9.8 pounds. b. each pound of force equals 9.8 newtons. c. each newton of mass weighs 9.8 kilograms d. each kilogram of mass weighs 9.8 newtons
Tuesday, October 15, 2013 at 7:55pm

psychology
lesson 15 psychology question james has just lost his wife of 35 years to breast cancer. studies have shown that he will be at high risk for physical ailments, illness, and possibly death for the next :
Tuesday, October 15, 2013 at 5:24pm

Physical Science
Thank you very much!
Tuesday, October 15, 2013 at 2:05pm

Physical Science
I will have to come back owm this answer. This will take a little of time to fine the correct answer.
Tuesday, October 15, 2013 at 1:55pm

Physical Science
24. What happens when a solution of nitric acid (HNO3) is added to a solution of potassium hydroxide (KOH)? What are the products? 25. Which of the following compounds can react with H2SO4 to form a salt: NaCl, Ca(OH)2, HF, AlCl3, H2O, Mg(OH)2? Name the salt(s) that would form...
Tuesday, October 15, 2013 at 1:36pm

Math
) A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 450 seconds and a standard deviation of 60 seconds. Find the ...
Monday, October 14, 2013 at 10:34pm

physical science
test it
Monday, October 14, 2013 at 8:17am

physics
An amusement park ride consists of a large vertical cylinder that spins about its axis fast enough that a person inside is stuck to the wall and does not slide down when the floor drops away. The acceleration of gravity is 9.8 m/s2 .Given g = 9.8 m/s2, the coefficient μ...
Monday, October 14, 2013 at 12:26am

physical science
http://www.learner.org/courses/essential​/physicalsci/session2/closer1.html
Sunday, October 13, 2013 at 10:35pm

physical science
How would you know if a model is a good model?
Sunday, October 13, 2013 at 10:21pm

physical
Two mountain climbers are working their way up a glacier when one falls into a crevasse. The icy slope can be considered frictionless. Sue's weight is pulling Paul up the 45* slope. If Sue's mass is 66kg and if she falls 2m in 10s starting from rest, find the tension ...
Sunday, October 13, 2013 at 10:18pm

Physical Science
The Earth orbits the Sun due to gravitational acceleration, so yes.
Sunday, October 13, 2013 at 1:08pm

physical
A bicycle and its rider together has a mass of 95 kg. What power output of the rider is required to maintain a constant speed of 4.8 m/s (about 10.7 mph) up a 5.0% grade (a road that rises 5.0 m for every 100 m along the pavement)? Assume that frictional losses of energy are ...
Saturday, October 12, 2013 at 11:12pm

Physical Science
http://en.wikipedia.org/wiki/Acceleratio​n
Saturday, October 12, 2013 at 10:52pm

Physical Science
The Earth moves in a nearly perfect circle around the Sun. Assume the speed stays constant. Is the Earth accelerating or not?
Saturday, October 12, 2013 at 10:46pm

Physical Science
Ignore this question I got it :)
Saturday, October 12, 2013 at 10:46pm

Physical Science
ignore this question I got it :)
Saturday, October 12, 2013 at 10:45pm

Physical Science
You are running a race and you speed up from 3 m/s to 5 m/s in 4 seconds. a. What is your change in speed? b. What is your acceleration?
Saturday, October 12, 2013 at 10:16pm

Physical Science
Suppose you are moving left (negative) with a velocity of -10 m/s? What happens to your speed if you have a negative acceleration? Do you speed up or slow down?
Saturday, October 12, 2013 at 10:14pm

Physical Science
17. Based on the chemical equation, the reaction is endothermic. Increasing the temperature will favor the forward (left to right) reaction. Or you may think of the heat as one of the reactants. If you increase heat, then the amount of products will also increase. Otherwise, ...
Saturday, October 12, 2013 at 3:55am

Physical Science
C(s) + H2O(g) + Heat <--> CO(g) + H2(g) 17. How would you adjust the temperature to increase the amount of product? 18. Does the removal of hydrogen gas as it is produced shift the reaction to the left or the right? My last two questions on my homework that I just can&#...
Friday, October 11, 2013 at 11:10pm

Physical Science
it should be "b"
Friday, October 11, 2013 at 8:42pm

Physical Science
a. K goes with Cl and H goes with OH so this is a double replacement. b. Na is a single item, it replaces ther H of H2O so this is a single replacement. c. This is a combustion reaction d. When two somethings combine to make one something that is a combination or synthesis ...
Friday, October 11, 2013 at 7:15pm

Physical Science
Which of the following is a single replacement? a. KOH + HCl --> KCl + H2O b. 2Na + 2H2O --> H2 + 2NaOH c. 2C2H6 + 7O2 --> 4CO2 + 6H2O d. H2O + CO2 --> H2CO3 Any help would be appreciated, thank you in advance!
Friday, October 11, 2013 at 7:11pm

pure maths, life science, physical science, geogra
See Related Questions below.
Thursday, October 10, 2013 at 6:53am

pure maths, life science, physical science, geogra
what can you study with those subjects
Thursday, October 10, 2013 at 1:21am

Physical science
Vf=Vi+gt Vf= final velocity (what we're solving for) Vi= initial velocity (in our problem, initial velocity is zero because the rock starts from rest) g=gravitational acceleration (9.8m/s/s) t= time (in our case, 3.5s) Vf= 0m/s + (9.8m/s/s)(3.5s) Vf= 34.3m/s downward (you ...
Tuesday, October 8, 2013 at 10:41pm

Physical science
v=gt=9.8 x 3.5 =34.3 m/s
Tuesday, October 8, 2013 at 9:53am

Physical science
20 m/s downward
Tuesday, October 8, 2013 at 9:48am

Physical science
A rock is dropped from a height of 60 m and is in free fall. What is the velocity of the rock as it reaches the ground 3.5 seconds later?
Tuesday, October 8, 2013 at 9:47am

physical science
mgh/2=mcΔT For iron c=444 J/kg•K ΔT=gh/2c = 9.8•90/444•2=0.99℃
Monday, October 7, 2013 at 5:40pm

Science
1) Which of the following is true about mixtures?(1point) Mixtures consist of two or more sub stances chemical combined. Mixtures cannot be separated by physical means. Mixtures consist of only one kind of atom. Mixtures have two or more substances mixed together, but are not ...
Monday, October 7, 2013 at 12:22pm

poetry (Pioneer by Dorothy Livesay)
I have to answer the questions according to this poem, I have answered them but just want someone to look over them to see if they are right. The last one I had trouble with and need help on that one too. The answer that I think it is I have put arrows on them. Help would be ...
Monday, October 7, 2013 at 11:54am

8th Grade Science on "Mixtures"
1) Which of the following is true about mixtures?(1point) Mixtures consist of two or more sub stances chemical combined. Mixtures cannot be separated by physical means. Mixtures consist of only one kind of atom. Mixtures have two or more substances mixed together, but are not ...
Monday, October 7, 2013 at 11:43am

physical science
A 12-kg iron ball is dropped onto a pavement from a height of 90m. Suppose half of the heat generated goes into warming the ball. What is the temperature increase of the ball in degree C
Sunday, October 6, 2013 at 9:21pm

physical science
when an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 3000 j. by how much does the potential energy of an 22.0 kg child increase when the child climbs a normal staircase to the second floor?
Saturday, October 5, 2013 at 4:26am

physical sciebce
when an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 3000 j. by how much does the potential energy of an 22.0 kg child increase when the child climbs a normal staircase to the second floor?
Saturday, October 5, 2013 at 4:09am

English..reading direction
If you mean a physical activity goal, then it could be something like riding your bike 50 miles in a day or swimming 50 laps in the pool. http://www.betterhealth.vic.gov.au/bhcv2​/bhcarticles.nsf/pages/Physical_activity​_set_yourself_goals Your personal goal is why...
Friday, October 4, 2013 at 8:51pm

Statistics
1.The average number of acts of physical violence in a random sample of 150 TV movies was 4.5 acts with a standard deviation of 0.75. At the 95% confidence interval level, what is your estimation of the mean range of all movies shown in the television? Explain the result in ...
Friday, October 4, 2013 at 12:31pm

physical science
3531kcal
Friday, October 4, 2013 at 10:31am

Science
I think your reasoning on #4 is flawed since you chose false (and that is the correct answer). Liquid H2O and solid H2O have different PHYSICAL properties (for example one is liquid and one is solid, one is hard and one is soft, etc) but they do NOT have different CHEMICAL ...
Thursday, October 3, 2013 at 9:41pm

Science
A pure substance cannot be separated into simpler substances by physical or mechanical methods such as filtering, boiling, or sifting. The chemical composition of a pure substance always remains constant, no matter where it is found or how it is prepared or purified. For ...
Thursday, October 3, 2013 at 1:53pm

psychology
During periods of physical development, the __________ of a sensation is critical if perception is to function normally. A. experience B. interpretation C. expectation D. mass function
Thursday, October 3, 2013 at 11:49am

Science
1) Which of the following is an example of matter?(1point) Leaves*** Shadows Light from the sun Sound 2) Which of the following is an example of a chemical property of matter? Ability to melt Ability to freeze Ability to react*** Ability to break 3) The physical property that ...
Wednesday, October 2, 2013 at 10:37pm

science
heating a mixture of iron and sulfur is it chemical or physical
Wednesday, October 2, 2013 at 9:54pm

physical science
a 300 kg astronaut and equipment move with a velocity of 2.oom/s toward an orbiting spacecraft. How long must the astronaut fire a 100N rocket backpack to stop the motion relative to the spacecraft?
Wednesday, October 2, 2013 at 11:23am

physical education
http://www.google.com/search?q=pole+vaul​t+field&rlz=1C1AVSX_enUS414US423&es_sm=1​22&source=lnms&tbm=isch&sa=X&ei=rzdMUpnl​BMSoyAGz2YDoDw&ved=0CAkQ_AUoAQ&biw=711&b​ih=453&dpr=1
Wednesday, October 2, 2013 at 11:12am

physical education
draw a pole vault field
Wednesday, October 2, 2013 at 12:28am

8th Grade Physical Science
Thanks Jai!!! Helped bunches. xD
Wednesday, October 2, 2013 at 12:04am

8th Grade Physical Science
Recall that the formula for density is d = m/V where m is the mass and V is the volume. Substituting, d = 30/7500 d = 0.004 g/cm^3 Hope this helps~ :3
Wednesday, October 2, 2013 at 12:03am

8th Grade Physical Science
How do ya do this?
Tuesday, October 1, 2013 at 11:59pm

8th Grade Physical Science
Calculate the density of a sample of gas with a mass of 30 g and volume of 7500 cm3.
Tuesday, October 1, 2013 at 11:59pm

physical science
The equation is 2KClO3 ==> 2KCl + 3O2 This is done the same way as the SO2 problem. Just follow the steps to obtain the mass of O2. Do you want that volume at STP? I assume so. Remember that 1 mol of any gas occupies 22.4 L. You know how many mols O2 you have. mols O2 x (22...
Tuesday, October 1, 2013 at 12:50am

physical science
2SO2 + O2 ==> 2SO3 mols SO2 = g/molar mass = ? Using the coefficients in the balanced equation, convert mols SO2 to mols SO3. Now convert mols SO3 to g. g = mols x molar mass.
Tuesday, October 1, 2013 at 12:47am

physical science
if 96g so2 is added to 2 moles of oxygen at stp, what is the mass of so3 that is formed
Monday, September 30, 2013 at 11:25pm

physical science
calculate the mass and volume of oxygen released when 29;4g potassium chlorate decomposes to form potassium chloride and oxygen
Monday, September 30, 2013 at 11:21pm

physical science
calculate the number of moles of H2SO4 wich were added to the NaOH solution
Monday, September 30, 2013 at 10:30am

english
Summarize the main points of this reading.Possible points to reflect upon for your reflection paper and for workshop discussion are: 1)Ray has been diagnosed with Tourette’s Disorder, a neurological disorder which also appears in the DSM-5. How would you distinguish a ...
Monday, September 30, 2013 at 10:20am

PHYSICAL SCIENCE PLEASE HELP REALLY APPRECIATE IT!
1. Show that a pendulum alayws swings at the same time no matter how long or short the amplitude is. And the time is only a function of the pendulum length.2. Show that the weight of a block submerged is equal to the weight of the volume of water that is displaced.
Sunday, September 29, 2013 at 12:16pm

chemistry
Narathzul Arantheal Yes because evuoitoln basically explains everything about everything.Ever wondered why women's jealousy is more geared to the feelings of the man while men in general care more about that their partner doesn't have sex with other men? Ever wondered ...
Sunday, September 29, 2013 at 10:35am

Physical Conceptual Science
Trucks often have signs on the back that say, “If you can’t see my mirrors, I can’t see you.” Explain the physics.
Sunday, September 29, 2013 at 1:08am

Physical Science
29 tons
Saturday, September 28, 2013 at 11:34am

Geography (Ms. Sue)
3. http://www.mapsofworld.com/physical-map/​france-physical-map.html 5. Farming needs water, fertile ground, and a long enough growing season.
Friday, September 27, 2013 at 9:55pm

Law
1. The law enforcement defense extends only to those people tasked with and legally authorized to enforce laws. This includes which of the following? A. City, state, and federal law enforcement B. All security guards C. Citizens on patrol with the legal right to carry a weapon...
Friday, September 27, 2013 at 3:42pm

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