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April 19, 2014

Homework Help: Physical Education

Recent Physical Education Questions

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physical science
A ramp is 2.8m long and 1.2m high. How much power is needed to push a box up the ramp in 4.6s with a force of 96N
Monday, November 18, 2013 at 8:18pm

Physical Science
(E) 210/82 Pb -> 210/83 Bi + 0/-1 e + y (C) 49.6 grams
Monday, November 18, 2013 at 5:45pm

Physical Science
1. Which equation correctly shows beta decay? (A) 210/82 Pb -> 209/81 Tl + 0/-1 e + y (B) 210/82 Pb -> 209/83 Bi + 0/-1 e + y (C) 210/82 Pb -> 210/83 Tl + 0/-1 e + y (D) 210/82 Pb -> 210/83 Bi + y (E) 210/82 Pb -> 210/83 Bi + 0/-1 e + y 2. The half-life if radon...
Monday, November 18, 2013 at 2:27pm

physical science
Can you answer this please !
Monday, November 18, 2013 at 12:11pm

Physical science
number= avagrodro's number* massgiven/molmassH2O
Monday, November 18, 2013 at 9:52am

Physical science
The number of molecules in 30g of water?
Monday, November 18, 2013 at 9:09am

phy
Tinny insects such as mosquitoes can seat on the surface of water.which physical principle makes this possible ?
Sunday, November 17, 2013 at 9:40pm

internet basics
a space on a server where users can interact with one another as if in a physical room is called a a.chat room b.newsgroup c.blog d.mailing list my answer is a
Friday, November 15, 2013 at 7:04pm

Physical Science
idk
Friday, November 15, 2013 at 2:01pm

physical
What is bone strengthening? A. How hard a person works to do an activity B. How hard a person plans to do an activity C. How easily a person is able to do an activity D. How difficult it is for a person to complete an activity
Wednesday, November 13, 2013 at 4:52pm

health
________ physical activity and ________ time spent in sedentary behaviors.
Wednesday, November 13, 2013 at 2:16pm

Physics Urgent please help
I assume your mass is m and moment of inertia about the center of mass is Ic Then the total moment of inertia about the point S is I = (Ic + m d^2) If the xy plane is vertical and this is a physical pendulum hanging from point S then the gravity force down is mg at the center ...
Wednesday, November 13, 2013 at 12:01pm

Physics Urgent please help
A physical pendulum consists of a body of mass contained in the xy-plane. The moment of inertia of the object about an axis perpendicular to the plane and passing through the object's center of mass is I_cm . The object oscillates in the xy-plane about the point S a ...
Wednesday, November 13, 2013 at 11:05am

Physical education
we have a lithium atom (atomic mass m = 6 amu) connected to two very much more massive atoms, as illustrated in the drawing below. We can pretend that the massive atoms don¡¯t move. The spring constants k1 and k2 are 73 N/m and 27 N/m, respectively. What is the ...
Tuesday, November 12, 2013 at 11:27pm

Physical Science
Radioactive dating is limited by the half life of the element being used. C-14, with a half life of about 6,000 years, is not a good dating element for several hundred thousand years. With half of the material disappearing every 6,000 years or so there isn't enough to ...
Tuesday, November 12, 2013 at 8:14pm

Physical Science
17. Why can't carbon-14 be used to determine the age of fossils that are several hundred thousand years old? Please and thank you!
Tuesday, November 12, 2013 at 7:56pm

physical/earth science
what important nonmetal is in brilliant yellow acrylic paint that contains titanium dioxide
Tuesday, November 12, 2013 at 5:54pm

Health (Ms. Sue)
What are the physical and mental effects of alcoholism for the blood alcohol concentration of 0. 1?
Tuesday, November 12, 2013 at 11:22am

college essay
I am my truest and purest self, a mere child embarking on the beginning of life. So, how can it be that my mother, my main source of comfort, can possibly be dying? Stage 4 Metastases Melanoma Cancer: the doctor says is the grim diagnosis, the definite fate that we have no say...
Monday, November 11, 2013 at 5:10pm

Health (Ms. Sue)
1. Explain the relationship between the following key terms. a. physical dependence and withdrawal b. drug and medicine c. drug tolerance and addiction d. over-the-counter medicine and prescription e. active ingredient and drug interaction f. alcohol abuse and alcoholism g. ...
Monday, November 11, 2013 at 3:43pm

science
a physical change is when a surtain substances into another substance but is able to change back to the way it was E.G. ice turning into water and water into ice. A chemical change is when a substance changes into a completly different substance and is unable to change back to...
Monday, November 11, 2013 at 2:28pm

chemistry
Complete and balance the precipitation reactions. Include physical states in your equations. Ba(NO3)2(aq) + CuSO4 (aq)---> K3PO4(aq)+MgCl2 (aq)---->
Monday, November 11, 2013 at 1:35pm

Health (Ms. Sue)
1. List the legal charges that a teen can face if he or she is caught drinking and driving. A: The legal charges that a teenager can face if he or she is caught drinking and driving are arrest, heavy fines, suspension of one’s driver’s license, and possible time in ...
Monday, November 11, 2013 at 1:19pm

college essay
can someone edit my college essay? I was told by an admissions counselor to write a supplement describing my low cumulative GPA. It is a rough first draft, and probolaly needs to be heavily edited I am my truest and purest self, a mere child embarking on the beginning of the ...
Sunday, November 10, 2013 at 9:37am

Health
1. Alcohol abuse is the concept of drinking too much alcohol, drinking it too often, or drinking it at inappropriate times. 2. The terms enabling and codependency are very similar as enabling is to help an addict avoid the negative consequences of his or her behavior, and ...
Sunday, November 10, 2013 at 12:47am

Health
3. All drugs are not medicines because not all drugs are used to cure, prevent, of treat illness or discomfort. In fact, some drugs possess mind-altering effects that have no medical purpose such as drugs of abuse, which alters the manner in which the brain functions in means ...
Sunday, November 10, 2013 at 12:36am

Chemistry
Complete and balance the precipitation reactions. Include physical states in your equations. Ba(NO3)2(aq) + CuSO4 (aq)---> K3PO4(aq)+MgCl2 (aq)---->
Saturday, November 9, 2013 at 5:59pm

PHYSICS
A physical pendulum consists of a disc of radius R and mass m fixed at the end of a rod of mass m and length l . (a) Find the period of the pendulum for small angles of oscillation. Express your answer in terms of m, R, l and acceleration due to gravity g as needed (enter m ...
Friday, November 8, 2013 at 9:50pm

Science
that is the website i looked at. i didnt see any i seen physical properties but i did not see any chemical properties. i appreciate your help. i need to turn this project in tomorrow and dont have much time left
Thursday, November 7, 2013 at 4:56pm

Physics Classical Mechanics
A physical pendulum consists of a disc of radius R and mass m fixed at the end of a rod of mass m and length l . (a) Find the period of the pendulum for small angles of oscillation. Express your answer in terms of m, R, l and acceleration due to gravity g as needed (enter m ...
Thursday, November 7, 2013 at 1:57pm

accounting
a physical inventory on december 31 shows 2,000 units on hand. holliday sells the units for $12 each. the company has an effective tax rate of 20%. holliday uses the periodic inventory method. what is the difference in taxes if LIFO rather than fifo is used?
Thursday, November 7, 2013 at 12:14am

accounting
a physical inventory on december 31 shows 2,000 units on hand. holliday sells the units for $12 each. the company has an effective tax rate of 20%. holliday uses the periodic inventory method. what is the difference in taxes if LIFO rather than fifo is used?
Thursday, November 7, 2013 at 12:11am

physical science
Pursley*
Wednesday, November 6, 2013 at 6:36pm

physical science
P!nk. Don't be mean. Bob parsley was just trying to help. He's right. The reason being is because when the force is in the same path as direction work is done. Although, if friction is involved the energy converts to heat and energy is lost. Therefore, work is not ...
Wednesday, November 6, 2013 at 6:35pm

physical
F₀cosα=ma₀ (x) a₀ (x) =F₀ cosα/m=200•0.707/3.9 =36.3 m/s² F₀ sinα =ma₀ (y) a₀ (y) = F₀ sinα/m=200•0.707/3.9 =36.3 m/s² a(y)= a₀ (y)-g =36.3-9.8 =26.5 m/s² a=sqrt(a₀ (x)&#...
Wednesday, November 6, 2013 at 5:49pm

Health (Ms. Sue)
1. Describe how drugs can change the way the brain works. A: Some drugs can change the way neurons within the brain communicate with each other. These drugs act like neurotransmitters, block neurotransmitters, or change the amount of a neurotransmitter in synapses. Therefore, ...
Wednesday, November 6, 2013 at 5:27pm

Health (Ms. Sue)
1. Differentiate drug tolerance from physical dependence. A: Drug tolerance is a condition in which a user need more of a drug to feel the same effect felt when first using the drug, whereas physical dependence is a states in which the body relies upon a given drug in order to...
Wednesday, November 6, 2013 at 3:57pm

PHYSICS
A physical pendulum consists of a disc of radius R and mass m fixed at the end of a rod of mass m and length l . (a) Find the period of the pendulum for small angles of oscillation. Express your answer in terms of m, R, l and acceleration due to gravity g as needed (enter m ...
Wednesday, November 6, 2013 at 2:08pm

Health (Ms. Sue)
Compare the term drug with the term medicine. A: The term drug and the term medicine both describe types of drugs. However, these types of drugs are very different. For example, the term drug is any substance that causes a change in a person’s physical or psychological ...
Wednesday, November 6, 2013 at 1:04pm

physical
Libby pulls a 3.9kg box to the right with a force of 200 n at a 45 degree angle relative to the horizontal along a frictionless surface. What is the acceleration of the box?
Tuesday, November 5, 2013 at 10:14pm

8th grade physical sience
yes thats right
Tuesday, November 5, 2013 at 6:22pm

Health
1.List a physical, mental and emotional, and social benefit of physical activity.
Tuesday, November 5, 2013 at 10:26am

electronic,physical,science
Disappointed
Tuesday, November 5, 2013 at 9:24am

electronic,physical,science
Disappointed
Tuesday, November 5, 2013 at 9:23am

Health (Ms. Sue)
1. Describe what happens during NREM and REM sleep. A: In the beginning of a sleep cycle, we enter NREM sleep. The body recovers from the stress of the day's activities during this part of the sleep. Then, about 1.5 hours into sleep, we enter REM sleep, or dream sleep. Our...
Monday, November 4, 2013 at 9:53pm

Health (Ms. Sue)
1. Choose one component of your physical fitness that you would like to improve. A: I would like to improve my cardiorespiratory endurance. 2. What exercise would be a good indicator of your fitness in this area? A: Being able to run a mile would be a good indicator of my ...
Monday, November 4, 2013 at 5:30pm

Poem: Annabel Lee by Edgar Allen Poe
MONDAY November 4, 2013 SCHOOL SUBJECTS Art Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th ...
Monday, November 4, 2013 at 4:52pm

Health (Ms. Sue)
Discuss the statement "Physical activity can actually prevent you from having a heart attack." A: As it has been discussed earlier, regular physical activity has been proven to be a significant factor in preventing the development of many chronic disease, such as ...
Monday, November 4, 2013 at 2:20pm

A Peculiar Question
What does this instruct me to do? "Discuss the statement 'Physical activity can actually prevent you from having a heart attack." Am I supposed to simply discuss it with my teacher? I am very confused.
Monday, November 4, 2013 at 1:33pm

Health (Ms. Sue)
1. Explain the relationship between the key terms in each of the following pairs. a. bullying and violence b. neglect and abuse A: a. Bullying corresponds with violence as it is an act of frightening or controlling another person by using threats or physical force, which is ...
Saturday, November 2, 2013 at 10:18pm

Health (Ms. Sue)
1. Describe how loss can cause stress. A: When you experience loss, you can feel the physical and emotional effects of stress. For example, after a loss, you may develop tension headaches or an increase in blood pressure. You may also feel irritable and confused. (I don't ...
Saturday, November 2, 2013 at 9:41pm

Health (Ms. Sue)
1. Explain the relationship between the key terms in each of the following pairs. a. wake and memorial service b. distress and eustress A: a. A wake and memorial service are both ceremonies in which enable family and friends to unite and gives them an opportunity to mourn for ...
Saturday, November 2, 2013 at 9:02pm

Fitness & Nutrition
16. How does regular exercise help to reduce the effects of mental stress? A. Regular exercise gets you away from the home or office and away from stress. B. Regular exercise has been shown to reduce the physical effects of stress. C. Regular exercise gives you better mental ...
Saturday, November 2, 2013 at 5:36pm

READING
30-day Money Back Guarantee Our Groom Co. electric shavers come with a 30-day money back guarantee because we are focused on ensuring your satisfaction. The only stipulation is that you use your new shaver exclusively for 2 weeks to become accustomed with the product. If you ...
Saturday, November 2, 2013 at 12:28pm

chemistry
Write the balanced equation for the hydration of CuSO4. Indicate the physical states using the abbreviations (s), (l), or (g) for solid, liquid, or gas, respectively. Use (aq) to indicate the aqueous phase. Indicate appropriate charges on negative and positive ions if they are...
Friday, November 1, 2013 at 9:41pm

Health (Ms. Sue)
Describe three facts about sexual assault and rape. A: A fact about sexual assault and rape is that, while some people believe that sexual assault and rape are committed by strangers, about 80 percent of victims of sexual assault and rape know of their attacker's identity...
Friday, November 1, 2013 at 7:34pm

Medical Billing and Coding
This is a 71-year-old female admitted with a complaint of right-sided weakness. She denies any fever, shortness of breath, cough, headaches, or chest pain. Patient has NIDDM, controlled by diet. Patient currently smokes. Mild right-sided paralysis was found on physical ...
Friday, November 1, 2013 at 1:45pm

soicalstudies
before I start I wanna say I don't known of this and don't have a book help ----------------------------------------​------------------ 1.greece's economy prospered thanks to A.the arts B.philosophy C.trade D.architecture...
Thursday, October 31, 2013 at 5:22pm

science
physical change: the wax starts to melt chemical change: light and heat energy is produced because the wax is being burnt. does anyone knoe how to draw a simple particle diagram xx
Wednesday, October 30, 2013 at 9:46am

Chemistry
1- Which of these processes will lower the glass transition temperature of a glass? Increase the cooling rate Decrease the cooling rate Increase amount of network modifier Decrease amount of network modifier Quench the glass to cool the surfaces quickly Decrease the number of ...
Wednesday, October 30, 2013 at 9:07am

Chemistry
1- Which of these processes will lower the glass transition temperature of a glass? Increase the cooling rate Decrease the cooling rate Increase amount of network modifier Decrease amount of network modifier Quench the glass to cool the surfaces quickly Decrease the number of ...
Tuesday, October 29, 2013 at 5:42pm

physical science
Most of you guys are wrong. Are you taking honors? Cause I got 1.B 2.C 3.B 4.C 5.A
Tuesday, October 29, 2013 at 12:49am

Physical Science
24
Monday, October 28, 2013 at 9:54pm

physical science
d = 80m/s * 30min * 60s/min = 1440 m. W = F*d = 40 * 1440 = 57,600 Joules.
Monday, October 28, 2013 at 7:36pm

English
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 irony D. poetic irony I said B. 2. "Please don't be offended at my views; They...
Monday, October 28, 2013 at 6:26pm

Earth Science (Geography)
http://geology.isu.edu/wapi/envgeo/EG4_m​ass_wasting/EG_module_4.htm http://www.riverpartners.org/resources/r​iparian-ecology/physical-river-processes​/
Monday, October 28, 2013 at 12:14pm

physical science
A girl on a bicycle drags a wagon full of newspapers at .80 m/s for 30 min. using a force of 40 N. How much work is done?
Sunday, October 27, 2013 at 3:46pm

Science
How would you write a method on a hypotheses relating to meaning in life and both physical and psychological well-being scores.
Sunday, October 27, 2013 at 12:32pm

Health (Ms. Sue)
Compare the stages of Maslow's hierarchy of needs. A: The first stage, the physical stage, which consists of food, water, sleep, and exercise, is ultimately essential for us to thrive and pass our genes on to the next generation. The second stage, the safety stage, which ...
Sunday, October 27, 2013 at 12:11pm

Physical Science
20. Why is ethanol added to gasoline? Can't find this answer in my book, and I've gone back and checked for it like three times. Please and thank you!
Friday, October 25, 2013 at 7:21pm

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

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