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October 23, 2014

Homework Help: Physical Education

Recent Physical Education Questions

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Physical Science
Trying to figure this out and can't: The elevation of a streambed is surveyed near a bridge to be 2,367m. At another bridge 12.2km downstream the elevation is 2,232m. What is the gradient of this stream?
Saturday, April 21, 2012 at 5:02pm

Physical Science
The conversion of water to ice is considered a physical change, whereas the conversion of iron to rust is considered a chemical change. Why?
Thursday, April 19, 2012 at 7:22pm

Physical science
A wave travels along a string at a speed of 1,5m 1s.if the frequency of the source of the wave is 7,5hz,calculate:(a)the wavelength of the wave..(b)the period of the wave
Wednesday, April 18, 2012 at 2:52pm

Physical science
Anyone working on Sound Investigation lab
Wednesday, April 18, 2012 at 1:39pm

physical geography
Would like you to complete Exercise problems #30 it has two papes.Physical Geography Laboratory Manual By darrel Hess Friday, April 17, 2012 at 4:57pm by Lephaiis Baker
Tuesday, April 17, 2012 at 5:57pm

physical
how many time outs do you get in a middle school backetball game. how many fouls have you gotten when you foul out of a middle school basketball game. what does B.E.E.F stand for? how long is a full time out. what is the size OF a girls basketball how high is the basketball ...
Tuesday, April 17, 2012 at 5:03pm

Essay (Please proofread) I appre
New Orleans Emergency Operations Plan FY12 According to, The Federal Response to Hurricane Katrina: Lessons Learned, Hurricane Katrina prompted an extraordinary national response that included all levels of government—Federal, state, and local—the private sector, ...
Tuesday, April 17, 2012 at 4:08pm

science
1. The ability of an apple to change color when exposed to air is a ____. (1 point)physical property chemical property physical change chemical change 2. Which of the following is NOT a possible sign of a physical change? (1 point)a change in appearance a change in volume the ...
Tuesday, April 17, 2012 at 1:33pm

economics
Suppose that for the firm below, the goods market is perfectly competitive. The market price of the product the firm produces is $4 at each quantity supplied by the firm. What is the amount of labor that this profit-maximizing firm will hire, and what wage rate will it pay? ...
Monday, April 16, 2012 at 9:08am

Heat Transfer
A factory would like to produce plain carbon steel strips with pieces of polyethylene plastic film bonded on them. The bonding operation will use a laser that is already available to provide a constant heat flux of q′′0= 85, 000 W/m2for a specifi...
Sunday, April 15, 2012 at 1:18am

physical science 101
find the mass of water in a bath tub whose interior is 1.300m long and 0.600m wide and that is filled to height of 0.3000m (hint: the density of water =1000kg/m^3)
Thursday, April 12, 2012 at 10:20pm

physical science
A disturbance sends ripples across water in a tub. These ripples are an example of a? rarefaction longitude wave compression surface wave (my choice) Sound is an example of what kind of wave? transverse wave longitude wave surface wave wavelength (my choice) Waves carry -- ...
Thursday, April 12, 2012 at 8:22pm

Physical Science
A hockey puck moving at 28 m/s is caught by an 80.00 kg man who was at rest. The man and puck move together after the collision. The puck's mass is 0.16 kg. What is the final velocity?
Thursday, April 12, 2012 at 3:47pm

physical science
Sarah lifts a 345 g shopping bag a distance of 1.2 meters onto a shelf. How much work was done?
Thursday, April 12, 2012 at 8:33am

Life Orientation
Describe the life style disease Lack of Physical Fitness and Proper Nutrition in the Adolescent and explain 5 or more factors that contribute to the disease.
Wednesday, April 11, 2012 at 11:46am

6th geo
a prominent physical feature along the west coast of england is th
Tuesday, April 10, 2012 at 7:09pm

physical
if a person exerts 250n force to lift a 1250n object using a simple machine, what is the mecahnical advantage of the machine
Monday, April 9, 2012 at 10:43am

physical science
What is the Ratio for Al2(CrO4)3
Sunday, April 8, 2012 at 8:49pm

Physical Science
I need some help. I have tried working this problem and can't get it. What is the mass of the Sun, in kilograms, based on the revolution period and distance from Venus?
Sunday, April 8, 2012 at 2:27am

Physical Science
I need some help. I have tried working this problem and can't get it. A class is building a scale model of the planets based on the model of Mercury having a radius 0.5cm. What is the diameter of Saturn for this model?
Sunday, April 8, 2012 at 2:26am

Physical Science
I need some help. I have tried working this problem and can't get it. A scale model of the solar system is being constructed where 40cm of the model represents 0.5 AU of actual distance. What is the model dimension, in meters, for the distance of Jupiter from the sun?
Sunday, April 8, 2012 at 2:22am

science
how do u draw a detailed particle diagram showing chemical and physical changes in rocks? I actaully found the sheet on the internet whille reseaching the answer. I typed in the question and there was the sheet first one as well!!!!
Friday, April 6, 2012 at 6:46am

physical
A block with mass m1 on a plane inclined at angle ƒÑ to the horizontal is connected to a second hanging block with mass m2 by a cord passing over a small, frictionless pulley, as shown. The coefficient of static friction is Us ƒÝ s and the coefficient ...
Thursday, April 5, 2012 at 6:19pm

physical science
The primary voltage is still 120 V and the number of primary turns = 60, but now the power in the primary side is 3000 Watts and there is a 120 ohm resistor connected to the secondary. Find the current in the resistor, and the secondary voltage and # turns.
Wednesday, April 4, 2012 at 10:22pm

6th grade geography, Spain.
Questions: 1) Name some of the major physical features of Spain. 2) What is Spain's economy based on? 3) Why is there a cultural divergence in Spain? 4) What other cultures have mixed with or influenced Spanish culture? 5) About 13% of Portugal's people are illiterate...
Tuesday, April 3, 2012 at 9:10pm

6th grade geography, France
climate- online content 3 distinctive climates in France, describe them. Three types of climate may be found within France: oceanic, continental, and Mediterranean. oceanic- having relatively small temperature differences between summer and winter continental- relatively dry ...
Tuesday, April 3, 2012 at 3:28pm

Government
Need a response to all 3 statements 1.The US Supreme Court has ruled that the death penalty does not violate the 8th Amendment protection against "cruel and unusual punishment". Still this remains a highly controversial topic. How do you feel about the death penalty...
Tuesday, April 3, 2012 at 3:02pm

Physical Science
How much heat is needed to melt a sample of ice if the temperature of 150 g of water in the calorimeter is lowered from 23.0 C to 0 C?
Tuesday, April 3, 2012 at 1:36pm

Health
What can health care providers do to help promote physical activity initiatives? A. Absolutely nothing, they do enough B. Advise patients on physical activity and how they can do it safely C. Advise patients on how to avoid physical activity D. Advise patients on physical ...
Tuesday, April 3, 2012 at 1:32pm

Biology
If you are looking at a flame burning in a pit, what are the physical and chemical process/changes? Thanks
Tuesday, April 3, 2012 at 12:14pm

PHYSICAL GEOGRAPHY
ON THE WINWARD SIDE OF THE MOUNTAIN SHOULD THE RELATIVE HUMIDITY OF THE PARCEL CHANGE AS IT RISES FROM 200 M TO 400 M
Tuesday, April 3, 2012 at 6:50am

Physical Science
Distinguish between longitudinal and transverse waves. Do all waves fall into one or the other of these categories? If not, give an example of one that does not?
Monday, April 2, 2012 at 4:53pm

life orientation
Describe the life style disease/behaviour and explain 5 (more)factors that contribute to the disease.topic that refers to:lack of physical fitness and proper nutrition in the adolescent
Monday, April 2, 2012 at 5:30am

Physical Science
what amount of energy in calories would it take to bring 20 grams of solid ice at negative twelve degrees celsius to liquid water at 100 degrees celsius?
Sunday, April 1, 2012 at 10:53pm

physical science
a hammer falls off a rooftop and strikes the ground with a certain kinetic energy. if it fell from a roof twice as tall, how would its kinetic energy compare? explain
Thursday, March 29, 2012 at 3:15pm

PHYSICAL SCIENCE QUESTION PLEASE I NEED YOUR HELP!
What is common to all light sources, including incandescent, fluorescent, neon, halogen, laser, and sodium-vapor devices? Thank You I really appreciate your help! :3
Thursday, March 29, 2012 at 2:50pm

physical science
A soccer player applies a force of 51.5 N to a soccer ball while kicking it. If the ball has a mass of 0.46 kg, what is the acceleration of the soccer ball?
Thursday, March 29, 2012 at 1:57pm

science
Examine the obvious environmental impacts as well as significant social and physical ramifications of urban sprawl. What is the relationship between landscape and psychological well being? After defining this relationship, discuss how the presence or absence of natural beauty ...
Thursday, March 29, 2012 at 3:24am

Physical Science
What is the kinectic energy in joules of a 500kg automobile traveling at 45km/hr?
Tuesday, March 27, 2012 at 10:15pm

English
Can you please check these sentences, too? Thank you. 1) Unless you improve your handwriting I won’t check your next paragraphs. 2) Unlike Sissy, who is described as a black-haired and black-eyed girl, Bitzer has a fair complexion, emphasized by the light hair and light ...
Tuesday, March 27, 2012 at 6:18pm

physical science
absolute zero is the same as
Tuesday, March 27, 2012 at 4:54pm

Geography- Market Areas
The GIS assumes that you will root for the team nearest you. Thus, it draws market areas based solely on the distance to the nearest baseball team. In real life, however, other factors can affect or distort the market area so that the distance is not equally divided between ...
Monday, March 26, 2012 at 6:29pm

network topology
what type of home network topology do you utilize? does the physical topology differ from its logical topology? if you do not have a homework, research a friends network and use that data in your response.
Sunday, March 25, 2012 at 5:15pm

physical
5 facts about wounds
Thursday, March 22, 2012 at 9:19pm

health
Need help in answering this question How do physical changes during old age impact on the client?
Wednesday, March 21, 2012 at 7:24am

Physical Science
Two identical beakers are both half filled with a liquid. Beaker A contains water and Beaker B contains a liquid that is denser than water. Which of the following is FALSE? a. The pressure at the bottom of Beaker B is greater than that at the bottom of Beaker A. b. The ...
Tuesday, March 20, 2012 at 9:02pm

Physical Science
During a storm, the wind exerts a 150-N force on a window that measures 1.00 m by 0.50 m. The outside air pressure is 101 kPa. What pressure, in pascals, does the wind exert on the window? a. 75 Pa b. 150 Pa c. 1.5 x 10^3 Pa d. 3.0 x 10^2 Pa e. 3.0 x 10^5 kPa
Tuesday, March 20, 2012 at 9:00pm

English
Can you please check these other sentences,too? Thank you. 1) Every detail in the novel is accounted for in the most precise manner. 2) Friday's physical traits are similar to those of a European. Friday doesn't believe in God so he is not Christian. Friday is not ...
Tuesday, March 20, 2012 at 6:02pm

English
I tried to check things myself but I still have a few doubts. Please, have a look at them. 1)A novel is retrospective when the narrator recollect memories from his/her past. 2) Friday is similar to a European in his complexion. However, he describes only few negative aspects ...
Tuesday, March 20, 2012 at 1:45pm

English
Here are other sentences I need to check. Can you please help me to have a look at them? Thank you. 1) In his Robinson Crusoe, Defoe uses retrospective first person (or 1-st person) narration because he recalls memories from his past adventures. (Not because the characters are...
Tuesday, March 20, 2012 at 12:45pm

physics
locks A, B, C are placed in the adjacent figure and connected by ropes of neglible mass. Both A and B weigh w = 25.0 N each and the coefficient of kinetic friction between each block and the surface is 0.35. A) If Block C descends with constant velocity find atleast three ...
Monday, March 19, 2012 at 11:44am

physical
what is use of physicaleducation
Monday, March 19, 2012 at 3:19am

Physical Science
I balanced Li(s) + Cl2(g)= LiCl(s) to 2Li(s) + Cl2(g)= 2LiCl(s) Now the question is, if you have 39.8g Li, how many moles of LiCl would you have? I am stuck on this part. Any help would be appreciated.
Sunday, March 18, 2012 at 8:38pm

English
Could you please check these sentences? Thank you very much, Writeacher. 1) Your paragraphs show a good knowledge of the literary contents. As to the grammar, you are still unsure in the use of tenses and prepositions. 2) As to cohesion, you failed to write an introduction or ...
Sunday, March 18, 2012 at 10:52am

physical
An object is thrown upward at a certain angle above the ground, eventually returning to erth.1.Is there any place along the trajectory where the velocity and acceleration are perpendicular? If so, where? 2. Is there any place where the velocity and acceleration are parallel? ...
Saturday, March 17, 2012 at 8:54am

physical sciences
An air plane with
Saturday, March 17, 2012 at 8:54am

physical
An object is thrown upward at a certain angle above the ground, eventually returning to erth.1.Is there any place along the trajectory where the velocity and acceleration are perpendicular? If so, where? 2. Is there any place where the velocity and acceleration are parallel? ...
Saturday, March 17, 2012 at 8:52am

physical
baseball is hit with a speed of 30.0 m/s at an angle of 50 It lands on the flat roof of a 10m tall nearby building, If the ball was hit when it was 1.5 m above the ground, what horizontal distance does it travel before it lands on the building?
Friday, March 16, 2012 at 7:25am

Physics
A physical pendulum consists of 3.8 m long sticks joined together as shown in Fig. 15-41. What is the pendulum's period of oscillation about a pin inserted through point A at the center of the horizontal stick? Who can help me with this problem?
Friday, March 16, 2012 at 3:11am

Physics
A physical pendulum consists of 3.8 m long sticks joined together as shown in Fig. 15-41. What is the pendulum's period of oscillation about a pin inserted through point A at the center of the horizontal stick? Who can help me with this problem?
Friday, March 16, 2012 at 3:11am

physical aspects of nature
A 1,440-N crate is being pushed across a level floor at a constant speed by a force of 250 N at an angle of 20.0° below the horizontal; (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 250-N force is instead pulling the block at ...
Thursday, March 15, 2012 at 9:33am

Chemistry
When the oxide of generic metal M is heated at 25.0 °C, only a negligible amount of M is produced. O2M(s) ----> M(s) +O2(g) delta G= 288.9 Kj/mol When this reaction is coupled to the conversion of graphite to carbon dioxide, it becomes spontaneous. What is the chemical ...
Wednesday, March 14, 2012 at 11:51pm

physical science
a cyclist pedals at a constant velocity of 15m.s-1 on a level road. the power delivered by the cyclist is 240W. what is the magnitude of the frictional foce acting against the motion?
Wednesday, March 14, 2012 at 5:44pm

medical coding
Gladys Swain slipped from a sidewalk curb and twisted her right ankle. Because of the severe pain she was suffering and the inability to bear weight on the foot, she sought treatment at her neighborhood hospital emergency department. The treating physicians were fairly ...
Wednesday, March 14, 2012 at 4:07pm

Physical Chemistry
Estimate the heat of the formation of each of the following molecules useing the bond dissociation energies provided (in KJ/mol) (a) NH3 (b) H2O (C) H2O2 D(NÎN)=944; D(H-H)=436; D(OÎO)=498; D(O-O)= 142; D(N-N)=391; D(O-H)=464 NB>all the brackets are foot note
Wednesday, March 14, 2012 at 12:03am

Physical anthropology
Chinese premoderns retain certain H. erectus trails including- A. extreme post orbital construction and sagittal crests B. projecting canines and diastemata C. sagittal ridges and flattened nasal bones D. All of the above
Tuesday, March 13, 2012 at 4:55pm

Physical Anthropology
According to the multiregional evolution model- A. anatomically modern H. sapiens originated exclusively in Africa B. modern H. sapiens are a separate species from Neanderthals C. some local populations of archaic H. sapiens in Europe, Asia, and Africa contributed to the ...
Tuesday, March 13, 2012 at 4:51pm

physical science
the intensity of blue light is lowered will the reading on the ammeter shows a reading which indicates an electric current
Tuesday, March 13, 2012 at 4:13pm

physical science
explain why on photon-electros are emitted when red light is shone on the metal cathode
Tuesday, March 13, 2012 at 4:11pm

physical science
when a photon of energy hf elects an electro violently from an atom. How is this energy distribute in the process me electing electron?
Tuesday, March 13, 2012 at 4:09pm

physical science
(a) If a person wearing such a mask exhales 0.702 g CO2 per minute, How many grams of KO2 are consumed in ten minutes?
Tuesday, March 13, 2012 at 12:46pm

physical science
Since October 2004, Jack Daniels Tennessee whisky, produced in Lynchburg, TN, has been bottled at 80 proof (40% alcohol by volume). Given that the density of ethyl alcohol is 0.789 g/cm3, and that of water 1.00 g/cm3, calculate the concentration of the alcohol in (a) percent ...
Tuesday, March 13, 2012 at 12:44pm

English ms. sue
ms. sue i do characterization on narrator, i not get what be physical traits that be how she look like? cause they have to be different from personality traits.
Monday, March 12, 2012 at 10:17pm

Accounting
Identify internal control principles. (SO 2), C The internal control procedures in Phillips Company make the following provisions. Identify the principles of internal control that are being followed in each case. a. Employees who have physical custody of assets do not have ...
Monday, March 12, 2012 at 2:58pm

Physics
A athlete in good physical condition can land on the ground at a speed of 12m/s without injury , calculate the max height from which the athlete can jump without injury, assuming the takeoff speed is zero
Monday, March 12, 2012 at 2:47am

Physical science
A copper penny has a mass of of 3gram. The atomic number of copper is 29 and the atomic mass is 63,5gram/mol.what is the total charge of all electrons in the penny?
Sunday, March 11, 2012 at 10:30am

Chemistry
Complete and balance the following equations NaHCO3(s)+H+(aq)---> CaO(s)+C(s)---> C(s)+H2O(g)---> CuO(s)+CO(g)---> If possible include charges and physical state.
Thursday, March 8, 2012 at 6:05pm

Catering(Gourmet Essentials)
THURSDAY March 8, 2012 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...
Thursday, March 8, 2012 at 6:03am

physical science
what was the kinetic energy of each car before breaking
Wednesday, March 7, 2012 at 5:47pm

Physical science
The engine of a car is being lifted out of the car by using a pulley system. The weight of the engine is 8000N. Use a scale diagram to determine the horizontal force, F1 that a mechanic has to use to hold the engine in such a position that the rope makes an angle of 30degrees ...
Wednesday, March 7, 2012 at 4:36pm

physical
When they start to move,car A exerts a force of 600N on its end of the towrope.The frictional force on car B when it accelerates,is 300N And its masses is 1200kg(a)calculate car bs initial acceleration(b)after a while the cars move at a constant velocity and car A exerts a ...
Wednesday, March 7, 2012 at 1:45pm

Physical science
Using the kinetic theory and explain why the weather balloon will burst at high heights?
Wednesday, March 7, 2012 at 8:55am

Geography
How does the physical geography influence the Kite Runner
Wednesday, March 7, 2012 at 4:24am

physical science
6. If one body is positively charged and another body is negatively charged, free electrons tend to [A. move from the negatively charged body to the positively charged body.] B. remain in the positively charged body. C. remain in the negatively charged body. D. move from the ...
Tuesday, March 6, 2012 at 6:22pm

science
which of the following is a physical change? Milk becomes sour An iron nails rusts All the water in a solution of salt water evaporates leaving a lot of crystals of salt in the bottom of the dish A wooden log is burned leaving ash in the fireplace
Monday, March 5, 2012 at 4:26pm

14
The key to using a pedometer to meet the Physical Activity Guidelines for Americans is to _________. A. First set a time goal and then calculate how many steps are needed each day to reach that goal B. First set a time goal and then calculate how rigorous the steps need to be ...
Sunday, March 4, 2012 at 8:16pm

12
The new Physical Activity Guidelines for Americans allows a person to accumulate 150 minutes a week ________. A. By engaging in 30 minutes of physical activity for 5 days a week only B. By engaging in 50 minutes of physical activity for 3 days a week only C. By engaging in ...
Sunday, March 4, 2012 at 8:14pm

10 ms sue
How can communities and government help promote physical activity initiatives? A. Raise taxes B. Lower taxes C. Create walking trails D. Eliminate sidewalks i got c
Sunday, March 4, 2012 at 8:13pm

9
What can health care providers do to help promote physical activity initiatives? A. Absolutely nothing, they do enough B. Advise patients on physical activity and how they can do it safely C. Advise patients on how to avoid physical activity D. Advise patients on physical ...
Sunday, March 4, 2012 at 8:09pm

Physical Chemistry
Calculate the value of the change in enthalpy(H) when the temperature of 1 mole of a monatomic gas is increased from 25C to 300C.
Sunday, March 4, 2012 at 7:03pm

6
The best physical activity is one that is ________. A. Enjoyable enough to bring along a snack B. Enjoyable enough to be lulled to sleep C. Enjoyable enough to do regularly D. All of the above c
Sunday, March 4, 2012 at 4:26pm

5
What can architects do to help promote physical activity initiatives? A. Construct buildings with active options such as, access to stairs B. Create buildings that do not allow handicap access C. Avoid providing efficient methods of walking within and between buildings D. All ...
Sunday, March 4, 2012 at 4:25pm

1
Which age groups benefit from physical activity? A. Children B. Middle aged adults C. Older adults D. All of the above d
Sunday, March 4, 2012 at 4:20pm

health
Regular physical activity appears to reduce symptoms of ________ for children and adolescents. A. Anxiety and depression B. Low self-esteem C. Identity or role confusion D. All of the above i goty c
Sunday, March 4, 2012 at 4:00pm

Physical Science
An athlete wants to finish a 5K face in 25 minutes. If she runs at a constant speed of 3.4 m/s, will she meet her goal?
Sunday, March 4, 2012 at 1:47am

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

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