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April 17, 2014

Homework Help: Physical Education

Recent Physical Education Questions

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Physical Science
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 the Moon, which is 381,000 km?
Sunday, September 15, 2013 at 11:52am

Physical Education
What are the components of fitness? Are aerobic and anaerobic fitness, types?
Sunday, September 15, 2013 at 10:46am

physical
in a water tank is filled wiyh 1026 lter of water,we want to mixed sodium nirtride by 17% of the water,how much we used sodiume nitride in kilogram in to the water?
Saturday, September 14, 2013 at 8:36am

physical mod
What mass (in grams) of steam at 100°C must be mixed with 462 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 40.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, and the latent ...
Friday, September 13, 2013 at 2:43am

Physical Science
The AM broadcast range is 550 kHz to 1600 kHz. Changing to Hz that is 550,000 to 1,600,000. So the answer would be D? The question is a little misleading since FM is also used in the broadcast range and it is 88-108 MHz.
Thursday, September 12, 2013 at 2:06pm

Physical Science
I think B is what you're looking for; however, without filtering installed the continuous current is not constant. I would have been happier with the description of "varying direct".
Thursday, September 12, 2013 at 2:02pm

Physical Science
2. Including a full-wave rectifier in an AC circuit will yield a(n) _______ current. A. continuous alternating B. continuous direct C. intermittent direct D. intermittent alternating
Thursday, September 12, 2013 at 1:07pm

Physical Science
6. Which of the following frequencies falls in the range of RF waves used by commercial radio broadcasting stations? A. 6,000 Hz B. 60 Hz C. 6,000,000 Hz D. 600,000 Hz
Thursday, September 12, 2013 at 1:07pm

Physical Science
6. Which of the following frequencies falls in the range of RF waves used by commercial radio broadcasting stations? A. 6,000 Hz B. 60 Hz C. 6,000,000 Hz D. 600,000 Hz
Thursday, September 12, 2013 at 1:03pm

Physical Science
2. Including a full-wave rectifier in an AC circuit will yield a(n) _______ current. A. continuous alternating B. continuous direct C. intermittent direct D. intermittent alternating
Thursday, September 12, 2013 at 1:01pm

physical science
the amount of heat remains the same when the concetration of one reactants increase.
Thursday, September 12, 2013 at 9:38am

Physical Science
It certainly has the same density as gold. Is it yellow?
Tuesday, September 10, 2013 at 7:07pm

Physical Science
a student is given a 10 gram sample of gold that has a density of 19.32g/cm3. The student is then given a 5 gram sample of an unknown substance and told the density of the unknown substance is 19.32g/cm3. What is the unknown substance
Tuesday, September 10, 2013 at 6:19pm

physical
Assuming you mean m/s not mg. North at 0.4 m/s for 14 m takes 35 s. North at 0.2 m/s for 30 m takes 150 s. South at 0.3 m/s for 60 m takes 200 s. Speed is independent on direction. Average speed is: = (total distance)/(total time)
Monday, September 9, 2013 at 10:40am

physical
a tortoise walks north at 0.4 mg for 14 meters, then north at 0.2mg for 30 meters ,then south at 0.3 m/s for 60 meters.what is his average speed?
Sunday, September 8, 2013 at 8:36pm

history
You have described the living quarters. What do you think "physical surroundings of Catal Huyuk" means? Only the dwellings in which people lived?
Saturday, September 7, 2013 at 8:19am

history
Describe the physical surroundings of Catal Huyuk. Check my answer The roofs were made of woven reeds and mud and were connected to one another like a honeycomb . Each dwelling contained an open hearth an oven in the wall and clearly defined sleeping area.
Saturday, September 7, 2013 at 8:08am

Ancient History
Describe the physical surroundings of Catal Huyuk
Saturday, September 7, 2013 at 7:34am

health 5 grade
#4. i believe that the cold will affect my physical health, mental health, emotional health family and social health. i think that because this will affect the way how i act and it will also make weaker witch will affect my physical health. furthermore it will affect my family...
Friday, September 6, 2013 at 9:25pm

health 5 grade
i need help in health subject for my son 5 grade Question 1- connect suppose you have a cold. this affects your physical health. does if affect your mental,emotional,family, and social health, too? explain why or why not. Question 2- practice healthful behaviors Make a list of...
Friday, September 6, 2013 at 8:21pm

physical
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Friday, September 6, 2013 at 11:46am

physical science
density equals mass divided by volume 39.5 grams divided by 5.0 cubic centimeters 7.9 grams per cubic centimeter
Thursday, September 5, 2013 at 4:27pm

physical science
what is the density of iron if 5.0 cm at the third has a mass o 39.5 grams
Thursday, September 5, 2013 at 3:56pm

Diff Eq
Consider a body moving along a straight line, in the presence of an external force providing constant acceleration a. In the absence of other forces, the velocity v of the body would increase without bound if a 6= 0. But in reality, there will always be a decelerating force, ...
Thursday, September 5, 2013 at 12:54pm

Geography
Near which type of physical geographic feature were the first farming villages built?
Thursday, September 5, 2013 at 10:24am

la need help
1. When you summarize an informational article, you should (1 point) leave out minor details. use the author's words, including direct quotations. leave out important details. include as much information as possible. 2. Why might a scientist choose to categorize scientific...
Thursday, September 5, 2013 at 10:24am

Physical Science
Radio waves and then also it could be infrared or microwave cause they are longer than any other type of waves. Radio is used in radio transmission - by taking large wavelengths and conducting them by using antennas to cover large distances. Microwaves are used in all wireless...
Thursday, September 5, 2013 at 10:12am

Physical Science
which waves have wavelengths longer than those of visible light? Give an example of how each kind of wave is used.
Thursday, September 5, 2013 at 9:07am

physical pharmacy
Hoy does KH2PO4 induce controlled flocculation..?
Thursday, September 5, 2013 at 4:13am

Please help Physical pharmacy
How does KH2PO4 induce controlled flocculation?
Wednesday, September 4, 2013 at 11:31pm

Geography
What is the difference between natural and artificial boundaries? My answer: A natural boundary is based on physical features of land, such as rivers, lakes, or chains of mountains, whereas an artificial boundary is a fixed line generally following latitude or longitude lines.
Wednesday, September 4, 2013 at 7:29pm

Geography
My answer: The physical features in which make up the boundaries between the United States and Canada are the Great Lakes, which consists of Lake Superior, Lake Huron, Lake Erie, and Lake Ontario, and the St. Lawrence River.
Wednesday, September 4, 2013 at 7:07pm

Geography
What physical features make up the natural boundaries between the United States and Canada?
Wednesday, September 4, 2013 at 6:46pm

Physical Science
The Magnetic field lines of a bar magnet begin near the magnet's _____________. I believe this question is asking where the lines begin (ie leave) the bar magnet...which would be the north pole.
Wednesday, September 4, 2013 at 6:12pm

Physical Science
You'd better get another book. http://www.teachersdomain.org/asset/lsps​07_int_lightpigment/
Wednesday, September 4, 2013 at 3:45pm

Physical Science
Yes, I found it. :) thanks.
Wednesday, September 4, 2013 at 3:30pm

Physical Science
Is that what your book says?
Wednesday, September 4, 2013 at 3:21pm

Physical Science
It's A.
Wednesday, September 4, 2013 at 3:20pm

Physical Science
I disagree.
Wednesday, September 4, 2013 at 2:55pm

Physical Science
The primary colors of pigments A. are cyan, yellow, and magenta. B. are the same as the secondary colors of light. C. combine in equal amounts to produce black. D. all of the above I think it's D.
Wednesday, September 4, 2013 at 2:41pm

Please help Physical pharmacy
How does KH2PO4 induce controlled flocullation?
Tuesday, September 3, 2013 at 9:59pm

Physical Science
Yes, the answer is C, because KE + PE = A constant.
Tuesday, September 3, 2013 at 6:40pm

Physical Science
It would be very hard for heat to be conducted or convected through the virtual vacuum between earth and the sun. It is radiation in wavelengths from infrared (hot) to ultraviolet (wear sun screen) that reaches us from the sun.
Tuesday, September 3, 2013 at 4:37pm

Physical Science
Energy from the sun reaches Earth mostly by A. conduction. B. convection. C. radiation. D. thermal expansion. I think it's A.
Tuesday, September 3, 2013 at 4:07pm

Physical Science
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 ...
Tuesday, September 3, 2013 at 3:28pm

Physical Science
Two magnets will be attacted by their opposite poles, and each will repel the like pole of the other magnet. A. attract each other.
Tuesday, September 3, 2013 at 3:24pm

Physical Science
B.
Tuesday, September 3, 2013 at 3:05pm

Physical Science
When opposite poles of two magnets are brought together, the poles A. attract each other. B. repel each other. C. cancel each other. D. cause a net force of zero. I think it's B.
Tuesday, September 3, 2013 at 2:53pm

physical pharmacy please help
You might find something in here: http://www.google.com/#q=colloidal+dispe​rsions+different
Tuesday, September 3, 2013 at 7:38am

physical pharmacy please help
How are colloidal dispersions different from other types of dispersed systems?
Tuesday, September 3, 2013 at 5:59am

Teacher Aide-Pennfoster
parents who fail to provide their children with proper supervision is a example of what type of child abuse? A emotional. B Neglect. C intellectual. D physical I think is A
Monday, September 2, 2013 at 6:33pm

Math
Revise your thinking. 1. Single blind gives the control group a placebo — a substance that is inert, it has no physical effect. Subjects don't know if they are in experimental or control group to reduce placebo effect, a change in behavior solely due to believing that...
Friday, August 30, 2013 at 2:26pm

physical science
since the range and max height are r = v^2 sin2θ/g = 25 h = v^2 sin^2θ/2g = 6 tanθ = 24/25 so you can find the initial v. And of course, the height y is y = vt - g/2 t^2 set y=0 to find the flight time t.
Friday, August 30, 2013 at 5:07am

physical science
a soccer ball is kicked 25 meter,It's maximum hight is 6 meter,Wha is its initial velocity and the time of flight
Friday, August 30, 2013 at 3:53am

social studies
I am a student conducting a survey for homework. 1. How many miles per day do you commute for work or school? (both ways as well as any additional on-the-job traveling all combined) 2. What is the furthest place from you to which you have vacationed in the past year? (city and...
Wednesday, August 28, 2013 at 6:05pm

Introduction to Physical Science
I'm missing something or you are. Arithmetic is what you use BUT the answer is not O-16 remains. O has 8 protons + 8 neutrons. That is O16. If you take two protons away, that leave 8-2=6 protons which is carbon or C. Taking two neutrons away gives 8-2=6. The six protons + ...
Wednesday, August 28, 2013 at 5:10pm

physical pharmacy please help
http://www.ncbi.nlm.nih.gov/pmc/articles​/PMC3399483/
Wednesday, August 28, 2013 at 12:51pm

Introduction to Physical Science
If two protons and two neutrons are removed from the nucleus of an oxygen-16 atom, a nucleus of which element remains? It was simple to say that oxygen-16 remains but is there a formula for this. Thank you
Wednesday, August 28, 2013 at 12:17pm

physical pharmacy please help
Explain the importance of solubility to dissolution.
Wednesday, August 28, 2013 at 12:05pm

Physical Science
B has nothing to do with mass.
Tuesday, August 27, 2013 at 3:11pm

Physical Science
Which of the following does NOT show the law of conservation of mass? A. 24 g of Mg burn in 32 g O2 to produce 56 g of MgO. B. 24 mL of Mg burn in 32 mL O2 to produce 56 mL of MgO. C. 2 atoms of Mg react with 1 molecule of O2 to produce 2 units of MgO. D. 1 atom of Mg reacts ...
Tuesday, August 27, 2013 at 1:08pm

Physical Science
Which of the following statements about ice melting is true? A. Energy flows from the ice to its surroundings. B. Water molecules move from their fixed position. C. Water molecules lose energy. D. The temperature of the ice increases as it melts. I think it's C.
Tuesday, August 27, 2013 at 7:49am

Physical Science
Which of the following is a heterogeneous mixture? A. water in a swimming pool B. sugar water C. a jar of mixed nuts D. stainless steel I think it's B.
Tuesday, August 27, 2013 at 7:39am

Psychology
Wow! That was fast! Thank you again! Also, one more question... Social constructions often vary by: A. cohort B. physical health status C. intelligence D. Family I'm stuck between family and cohort, but leaning towards cohort...
Saturday, August 24, 2013 at 9:37pm

Geography
No. It is a physical and political map of South Asia.
Saturday, August 24, 2013 at 9:21pm

Psychology
1.Which of the following is an example of something that remains stable across the lifespan? A. Gender (I chose this) B. Physical size C. Language D. all over above 2. Which of the following is true of the life-span perspective? A. It is primarily concerned with ...
Saturday, August 24, 2013 at 9:16pm

Early childhood
I need to see an written example of a summary report on a child for preschool that covers the seven domain. 1.Personal and social development 2. Language and Literacy 3. Mathematical Thinking. 4. Scientific Thinking. 5. Social Studies. 6. the Arts. 7.Physical development, ...
Saturday, August 24, 2013 at 8:52am

English
What is the physical journey like in the novel "Murder on the Orient Express" and how does it add to the meaning?
Friday, August 23, 2013 at 5:08pm

Science
Which of the following is an environmental concern of genetically engineered crops mentioned in your text? (Points : 1) Genetically modified crops lead to larger applications of toxic herbicides and insecticides. The genetic modification of crops increases soil erosion while ...
Thursday, August 22, 2013 at 11:48pm

Introduction to Physical Science
thank you getting the hang of this
Thursday, August 22, 2013 at 10:10pm

Introduction to Physical Science
frequency*wavelength=speedoflight solve for wavelength.
Thursday, August 22, 2013 at 9:29pm

Introduction to Physical Science
How do you calculate the wavelength of the radio waves that are produced is 561 m, when electrons on a radio broadcasting tower are forced to oscillate up and down an antenna 535,000 times each second.
Thursday, August 22, 2013 at 8:39pm

Introduction to Physical Science
you are headed in the right direction. Light also has a delay, but it is so short that the difference in arrival time is due entirely to the slow speed of sound, which is approximately wait for it ... 1/3 km/sec!
Thursday, August 22, 2013 at 6:28pm

Introduction to Physical Science
A rule of thumb for estimating the distance in kilometers between an observer and a lightning stroke is to divide the number of seconds in the interval between the flash and the sound by 3. Discuss whether or not this rule is correct. I say it is correct because the speed of ...
Thursday, August 22, 2013 at 4:02pm

Health
Physical signs of stress typically include ________. A. Stomach growling B. Tense muscles C. Tickling sensation D. All of the above I think it's D.
Thursday, August 22, 2013 at 10:29am

Chemistry
Convert the measurements to volume; i.e., v = length x width x height. You will have volume in cubic meters. Use PV = nRT and solve for n = mol Hg. Convert mols to grams. g = mols x atomic mass. That gets a. You can do the comparison for b. c. Chemical reason might be ...
Monday, August 19, 2013 at 10:55pm

Chemistry
A student breaks a thermometer and spills most of the mercury (Hg) onto the floor of a laboratory that measures 15.2 m long, 6.6 m wide, and 2.4 m high. (a) Calculate the mass of mercury vapor (in grams) in the room at 20°C. The vapor pressure of mercury at 20°C is 1.7...
Monday, August 19, 2013 at 9:50pm

Introduction to Physical Science
Hello, I always thought that sound was to loud when it hurts our ears or when sound vibration can make extremely loud noises. I am stuck on the following question: How loud is too loud? When is a sound too loud? What can be done about sounds/noises that are too loud for you?
Monday, August 19, 2013 at 12:23pm

P.E.
What do you mean about establishing the status of a physical education program?
Sunday, August 18, 2013 at 10:54pm

P.E.
What is the key determinant in establishing the status of a physical education program within a school?
Sunday, August 18, 2013 at 10:33pm

health Environment
Contrast the typical profiles of higher and lower molecular weight chemicals as to their physical-chemical properties and their behavior in the environment?
Saturday, August 17, 2013 at 5:57pm

physical science
kilo- means 1,000. kilogram = 1,000 grams kilometer = 1,000 meters http://www.thefreedictionary.com/kilo-
Thursday, August 15, 2013 at 9:09pm

physical science
The prefix kilo- means what?
Thursday, August 15, 2013 at 9:06pm

physical science (light)
number 25 is 8 I just took the exam and im sure about it
Thursday, August 15, 2013 at 8:49pm

physical
My chosen activity is paper and pencil word games. A good vocabulary and patience are important qualities for this activity. What is your chosen activity?
Thursday, August 15, 2013 at 6:55pm

physical
choose one quality which is important to your chosen activity technical physical personal special
Thursday, August 15, 2013 at 6:51pm

Biology
Which of the following statements about the compound HCl is true? *The physical and chemical properties of HCl are different from those of H2 and Cl2. *Only the physical properties of HCl are different from those of H2 and Cl2. *Only the chemical properties of HCl are ...
Thursday, August 15, 2013 at 5:07pm

Statistics
Use the following table to answer questions 7 and 8: This table displays results from a prospective cohort study evaluating meat intake and mortality. The table displays hazard ratios for mortality by quintile of red meat intake. Table 2. Multivariate Analysis for Red, White, ...
Thursday, August 15, 2013 at 11:58am

Introduction to physical science
Because it takes a while for the below freezing air to pull the heat out of the water to freeze it (334,000 Joules per Kilogram heat of fusion) at 32 F (or 0 C) before the fruit can freeze . By then hopefully the sun will come out.
Sunday, August 11, 2013 at 4:36pm

Introduction to physical science
I am not understanding this because I thought ice ruins the fruit. Could you please help. Why does spraying fruit trees with water before a frost help protect the fruit from freezing?
Sunday, August 11, 2013 at 4:21pm

Physical Science
1) t=s/v= 28/4 = 7 hr 2) KE=PE=mgh =7.2 •9.8•1.2 = …J 3) Q=mcΔT ΔT= Q/mc = 30000/0.39•3.9 = …
Thursday, August 8, 2013 at 2:06pm

physical science
V = Vo + a*t = 10 m/s. 6 + a*2 = 10 2a = 4 a = 2 m/s^2.
Wednesday, August 7, 2013 at 8:07pm

Physical Science
HELP WITH THESE PLEASE! If you ride your bike at an average speed of 4km/h and nee to travel a total distance of 28 km, how long will it take you to reach your destination? A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg ...
Wednesday, August 7, 2013 at 7:31pm

physical science
I am having a little trouble with this problem. can someone please HELP! During a race, a runner runs at a speed of 6m/s. 2 seconds later, she is running at a speed of 10 m/s what is the runner's acceleration?
Wednesday, August 7, 2013 at 7:19pm

physical science
2NH4NO3=2N2+4H2O+O2 calculate the volume of gas realesed at STP if 320g of ammonium nitrate is used
Wednesday, August 7, 2013 at 1:06pm

physical science
A balance measures mass. A graduated cylinder measures the volume of liquids.
Wednesday, August 7, 2013 at 7:15am

Introduction to Physical Science
doesnt each 33 ft down in the water increase pressure by one atmosphere? So how many atomospheres of pressure would be added at 330ft?
Tuesday, August 6, 2013 at 9:55pm

Introduction to Physical Science
How do the pressure variations with depth affect our ability to explore the ocean?
Tuesday, August 6, 2013 at 9:38pm

help please :)
Disability Insurance. In 1954, Congress made full disability (the physical or mental inability to work) part of the Social Security Act. If a worker qualifies for social security and becomes totally disabled, he or she can receive the same benefits as a person retiring at 65. ...
Monday, August 5, 2013 at 8:23pm

Physics
Rotating cylinders are not just physical abstractions: for example, they can turn a flow of the air, thus creating lift as the airplane wings. Historically people have even used rotating cylinders to power ships (although with little efficiency). NASA wrote more about this ...
Monday, August 5, 2013 at 12:10pm

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