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August 28, 2014

Homework Help: Physical Education

Recent Physical Education Questions

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physical education
what are the arguments for and against drugs in sports
Saturday, September 24, 2011 at 8:13am

Social studies
What physical factors played a rolled in developing the geography of the four mayor natal regions of Texas
Thursday, September 22, 2011 at 8:51pm

Chemistry
I don't quite understand these questions.. Please help, thank you! 1. What happens Qualitatively on both the Macroscopic and Atomic Levels when Zinc, Iodine and Water are mixed? Does a Reaction occur? 2. If a Reaction does take place, are the Physical and Chemical ...
Thursday, September 22, 2011 at 3:14pm

Physical Science
Two carts ( a's mass = 4.5 kg and b's mass = 1.5 kg) are held against a strong compressed string. The carts are released simultaneously, and B moves off to the right wqith a speed of 2.0 m/s. What is A's initial velocity? Please show work.
Wednesday, September 21, 2011 at 7:40pm

science
i need help in finding the defintion for words like physical,mass,behavior,color,melting point, appearance,never,density,senes,chemical,​gas,boiling point,deposition,condensation,vaporizati​on,sublimation.
Tuesday, September 20, 2011 at 6:25pm

science
How do the physical properties of the parts of a pencil affect howthe pencil is used?
Monday, September 19, 2011 at 9:33pm

Psychology
Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24-hour cycle of sleeping and waking—even if they are not exposed to the usual pattern of sunlight. To test...
Monday, September 19, 2011 at 6:28pm

Geography
What is the difference between a physical map and a political map?
Monday, September 19, 2011 at 2:26pm

geography
What two countries are similar in physical shape? My answer is Africa and South America Is this right?
Monday, September 19, 2011 at 2:17pm

physical science
which of the following statements correctly describes the substance with the formula KI?
Monday, September 19, 2011 at 1:37am

Physical Science
I need someone to go over and correct my answers please, I was haveing trouble on these three. What is the wave speed for a wave of 5 meters wavelength that has a frequency A) 25.6 m/s. B) 64 m/s. C) 128 m/s. D) 640 m/s. I think its a A string on a guitar is 0.4 m long and ...
Sunday, September 18, 2011 at 10:34pm

Physical Science
A tire contains air at a pressure of 2.8 bar at 10 degrees Celsius. If the tires volume is unchanged, what will the air pressure in it be when the tire warms up to 35 degrees Celsius as the car is driven?
Sunday, September 18, 2011 at 9:34pm

Physical Science
A 156-kg coil sheet steel is 0.80 mm thick and 50 cm wide. How long is the steel in the coil?
Sunday, September 18, 2011 at 9:24pm

physical science
A 65 kilogram person stands on a diving board 15 meters above the water. figure the GPE. show formula and work
Sunday, September 18, 2011 at 9:18pm

physical science
a tennis ball travels the full length of the court,24m, in 0.5s. what is the average speed
Sunday, September 18, 2011 at 9:07pm

Physical Science
Ninety kilojoules of heat were added to a 2.0-kg piece of wood whose temperture then rose from 20 degrees Celsius to 48 degrees Celcius. What was the specific heat of the wood?
Sunday, September 18, 2011 at 8:09pm

Physical Science
The specific heat of granite is 0.80 kJ/kg*Celsius. If 1.6 MJ of heat are added to a 100-kg granite of statue of James Prescott Joule that is origanlly at 18 degrees Celsius, what is the final temperture of the statue? No one has been able to answer this one!!
Sunday, September 18, 2011 at 7:56pm

Physical Science
Tempertaures in both Celsius and Fahrenheit scales can be negative. Why is a negative tempertaure impossible on the absolute scale?
Sunday, September 18, 2011 at 7:50pm

Physical Science
What are the equivalents of 0 K, 0 degrees Celsius, and 0 degrees F in the other tempertaure scales?
Sunday, September 18, 2011 at 7:43pm

Physical Science
A bridge in Sweden carries the Gota Canal over a highway. What, if anything happens to the load on the bridge when a boat passes across it in the canal?
Sunday, September 18, 2011 at 7:37pm

Physical Science
Can you please go over my answers to see if Im correct Im having trouble in this class. A car with mass 2000kg is held at a height of 1.8 meters by a hydraulic lift. The surface area of the piston inside the lift is 300cm², and the surface area of the input tube at the ...
Sunday, September 18, 2011 at 7:29pm

Physical Science
The specific heat of granite is 0.80 kJ/kg*Celsius. If 1.6 MJ of heat are added to a 100-kg granite of statue of James Prescott Joule that is origanlly at 18 degrees Celsius, what is the final temperture of the statue?
Sunday, September 18, 2011 at 7:28pm

Physical Science
Would it be more efficient to warm your bed on a cold night with a hot water bottle that contains 1 kg of water at 50 degrees C or with a 1 kg gold bar at 50 degrees C?
Saturday, September 17, 2011 at 5:09pm

Physical Science
What is the Celsius equivalent of a temperature of 160 degrees F?
Saturday, September 17, 2011 at 4:56pm

CRT 205
Can someone review this and let me know if it is acceptable?? This class was so hard and it has been all i can do to pass it! Here is the article i chose Addiction Is a Choice, Not a Disease Addiction , 2009 Content Level = Intermediate Dale Netherton, "It's Not ...
Saturday, September 17, 2011 at 1:04am

physical
QUESTION 4 [18] Two long current-carrying wires are shown in Fig 1. They are carrying the same current I which are pointing in opposite directions. Their separation is s. A field point Q lies in their plane, a distance ñ from their midline. 4.1 Find the field intensity ...
Friday, September 16, 2011 at 9:53am

social studies
how has the physical characteristics of ny state affected the way people live?
Thursday, September 15, 2011 at 8:50pm

physical education
what is physical education
Thursday, September 15, 2011 at 7:46pm

English
Thank you very much. I left out the following definitions. 1)Lord Henry makes a panegyric of beauty, in which he defines beauty as higher than genius since it needs no explanation. 2) It is one of the great facts of the world, like sunlight or springtime. Lord Henry goes on to...
Thursday, September 15, 2011 at 5:23pm

physical science
A car travels at a constant speed of 60 km/h for 3.5 hours. What is the total distance that the car has traveled?
Tuesday, September 13, 2011 at 10:15pm

Physical Science
A=Vf - Vi divided by 29 seconds Can you please help me. This is 9th grade Physical Science homework.
Tuesday, September 13, 2011 at 6:15pm

Physical Science
Kinematic--v = v0 + at and Energy--½mv2 = mgh. Solve both equations for v. Time was 00.6 Measured from 2ft. What is the Velocity in m/s kinematic and the Velocity in ft/s energy
Monday, September 12, 2011 at 9:40pm

Physical Science
A boy throws a 4-kg pumpkin at 8 m/s to a 40-kg girl on roller skates, who catches it. At what speed does the girl then move backward? *I dont understand how to work them*
Sunday, September 11, 2011 at 10:07pm

Physical Science
A force of 10 N is used to lift a 600-g ball from the ground to a height of 1.8 m, when it is let go. What is the speed of the ball when it is let go??
Sunday, September 11, 2011 at 9:55pm

Physical Science
A 40-kg skater moving at 4 m/s overtakes a 60-kg skater moving at 2 m/s in the same direction and collides with her. The two skaters stick together. What is their final speed?
Sunday, September 11, 2011 at 9:54pm

Physical Science
A boy with a mass of 30 kg jumps off a 3 m diving board. How much kinetic energy does he have just before he hits the water? Answer none. 90 N. 900 J. 1800 J.
Sunday, September 11, 2011 at 7:07pm

Physical Science
A 1000-kg car moving at 80 km/h collides head on with a 100-kg car moving west at 40km/h, and the two cars stick together. Which way does the wreckage move and with what initial speed?
Sunday, September 11, 2011 at 6:45pm

Physical Science
A 40-kg skater moving at 4 m/s overtakes a 60-kg skater moving at 2 m/s in the same direction and collides with her. The two skaters stick together. What is their final speed?
Sunday, September 11, 2011 at 6:41pm

Physical Science
A boy throws a 4-kg pumpkin at 8 m/s to a 40-kg girl on roller skates, who catches it. At what speed does the girl then move backward?
Sunday, September 11, 2011 at 6:39pm

Physical Science
A force of 10 N is used to lift a 600-g ball from the ground to a height of 1.8 m, when it is let go. What is the speed of the ball when it is let go??
Sunday, September 11, 2011 at 6:38pm

Physical Science
A 1000-kg car is moving east at 80 km/h collides head on with a 1500-kg car moving west at 40 km/h, and the two cars stick together. Which way does the wreckage move and with what initial speed?
Sunday, September 11, 2011 at 4:32pm

Physical Science
A 40-kg skater moving at 4 m/s overtakes a 60-kg skater moving at 2 m/s in the same direction and collides with her. The two skaters stick together. What is their final speed?
Sunday, September 11, 2011 at 4:30pm

Physical Science
A boy throws a 4-kg pumpkin at 8 m/s to a 40-kg girl on roller skates, who catches it. At what speed does the girl then move backward?
Sunday, September 11, 2011 at 4:28pm

Physical Science
A force of 10 N is used to lift a 600-g ball from the ground to a height of 1.8 m, when it is let go. What is the speed of the ball when it is let go??
Sunday, September 11, 2011 at 4:25pm

Physical Science
An escalator 14 m long is carrying a 70-kg person from one floor to another 8 m higher. The escalator has a speed of 1.0m/s. How much work does the escalator do in carrying the person to the top?
Sunday, September 11, 2011 at 4:10pm

Physical Science
23. when an electron is displaced in a semiconductor, the hole that's left behind is A. attracted to the negative terminal of the voltage source B. incapable of carrying a charge. C.attracted to the anode of the voltage source. D. considered an impurity in the crystal
Sunday, September 11, 2011 at 12:18pm

physical science
A boy with a mass of 30 kg stands motionless at the end of a diving board 3 m above the floor. The boy has: Answer no energy. kinetic energy only. potential energy only. both kinetic and potential energy.
Saturday, September 10, 2011 at 12:05am

physical science
A moving vehicle changes speed from 10 m/s to 35 m/s in only 5 seconds. What would be the acceleration rate of this vehicle?
Wednesday, September 7, 2011 at 2:12pm

physical science
in physical science how do you graph a number from 0 to .600
Wednesday, September 7, 2011 at 2:32am

Chemistry
Give the physical state of CO2 under the following conditions: pressure = 4000 mmHg, temperature = 18 degrees F. show work!
Tuesday, September 6, 2011 at 7:18pm

Physical Science
A race car goes around a level, circular track with a diameter of 1km at a constant speed of 90 km/h. What is the centripital acceleration?
Monday, September 5, 2011 at 9:50pm

English
Here are the other sentences which refer to Lord Henry. Can you please check the tense choice? 1)Lord Henry is a symbol of hedonistic and decadent upper classes, despising the Victorian virtues of work and morals, generally associated with the middle classes. 2) Truth is ...
Sunday, September 4, 2011 at 11:11am

English (Critique my essay!)
This my reading response paper! Critiquing is most welcome! P.S Its an informal paper so we don't need an intro or conclusion we just go straight to the point. “The Creation Cycle” The Creation Cycle is partially conjoined with the Creation of the Universe and ...
Sunday, September 4, 2011 at 5:22am

Physical Science
The brakes of a care are applied to give it an acceleration of -3m/s^2. The car comes to a stop in 5 s. What was its speed when the brakes were applied?
Saturday, September 3, 2011 at 2:39pm

Physical Science
Two tugboats are towing a ship. each exerts a horizontal force of 5 tons and the angle between their tow ropes is 90. what net force is exerted on the ship?
Saturday, September 3, 2011 at 2:25pm

physical science
A car starts from rest and accelerates uniformly along a straight horizontal road at 3 metres second squeared for 4 seconds.CALCULATE THE MAGNITUDE OF THE MAXIMUM VELOCITY OF THE CAR,I.E THE VELOCITY OF THE CAR AFTER ACCELERATING FOR 4 SECONDS.PLEASE SHOW ALL CALCULATIONS
Saturday, September 3, 2011 at 12:02pm

Physical Science
A car starts from rest and accelerates uniformly along a straight horizontal road at 3 metres second squeared for 4 seconds,after which it continues with a constant velocity for a further 6 seconds.What is the magnitude of the maximum velocity of the car,i.e. The velocity of ...
Saturday, September 3, 2011 at 10:49am

Physical Science
Im not sure about the answer i need u to help me get the answer
Saturday, September 3, 2011 at 10:02am

English
Could you please check these other senteces? 1) he protagonist of the story is sentenced to death and has hallucinations. The seven tall candles on the tables first seem angels and then ghosts to him. 2) After a while, he loses consciousness but not completely, everything ...
Thursday, September 1, 2011 at 5:20pm

physical science
How do I keep an acid or base from producing heat and splattering?
Wednesday, August 31, 2011 at 12:15pm

Physical science
Light project gr10
Wednesday, August 31, 2011 at 4:00am

Word Problem
You and your roommate have timed the necessary physical operations. The first physical production step is to wash out the mixing bowl from the previous batch, add all of the ingredients, and mix them in your food processor. The mixing bowls hold ingredients for up to ...
Monday, August 29, 2011 at 9:55pm

Math
You and your roommate have timed the necessary physical operations. The first physical production step is to wash out the mixing bowl from the previous batch, add all of the ingredients, and mix them in your food processor. The mixing bowls hold ingredients for up to ...
Monday, August 29, 2011 at 5:11pm

Physical chemistry
help! I am trying to figure out how to convert from equation one to equation two. I have spent two hours on this and cannot figure it out. I would greatly appreciate if someone could help me out on this. Equation1: v= sqr root (3RT/M) with R being the molar gas constant, M ...
Monday, August 29, 2011 at 1:04pm

teachers aide early chidhood education and after s
which type of afterschhol game is usually most successful with young children? (a)highly structured group games (b)noncompetitive physical games (my answer) (c)indivual quiet games (d)educational reading and writing games one of the primary concerns of child advocacy groups is...
Monday, August 29, 2011 at 7:06am

Math
You and your roommate have timed the necessary physical operations. The first physical production step is to wash out the mixing bowl from the previous batch, add all of the ingredients, and mix them in your food processor. The mixing bowls hold ingredients for up to ...
Sunday, August 28, 2011 at 8:59pm

physical science
One observation that regards the magnetic stipes on the ocean floor that would disprove the theory of platetectonics would be?
Sunday, August 28, 2011 at 7:56pm

English(Essay)
This is the finished version of my essay from earlier. I'm not sure if it's all the way finished because I have to read it to my group for their point of view. Could someone proofread this for me and give me some tips again? Just don't be too harsh because my ...
Sunday, August 28, 2011 at 7:42pm

Physical Science
Can someone explain this rule in simple english please? "Rule for addition and subtraction: The rightmost significant figure in a sum or difference will be determined by the least accurate measurement." Example: 18.56 m - 13.2 m __________ 5.36 m = 5.4 m
Friday, August 26, 2011 at 5:05pm

Chemistry
Can somebody check my answers? I Failed this test one time already. I do not want to fail it again. 1. When a pair of electrons is shared between two atoms, a covalent bond is said to have formed. Most often, the pair is formed A. by excess valence electrons. B. as one atom ...
Friday, August 26, 2011 at 8:40am

Physical Education
How can an abuser seek help to change their behaviour?
Friday, August 26, 2011 at 6:32am

Marketing Research
You are the owner of a mid-size business that sells medical devices to hospitals, clinics, and physicians. Your products include implantable devices (pacemakers) and equipment used for therapeutic applications such as dialysis, monitoring of blood sugars, and physical therapy ...
Wednesday, August 24, 2011 at 7:19pm

Physical Education
Preliminary design of a compressor drive train Determine the force-time function within the compressor’s cylinder and the torque-time function acting on the input shaft on the compressor during any cycle. Given: Compressor speed is 1500rpm. The compressor has a bore of 3....
Wednesday, August 24, 2011 at 6:33pm

Physical Education
How could abuse victims access support services?
Wednesday, August 24, 2011 at 7:53am

Literacy 2
Please check my work. Thank YOU! 10. Which article would be the most appropriate source to include in a bibliography for a research paper on stem cells? A. Lemonick, Michael D., David bjerklie, Andrew Goldstein. “keeper of the stem Cells. “Time 27 Aug 2001: 57 B. ...
Tuesday, August 23, 2011 at 6:43pm

Health education
Describe why people tend to turn their backs and tell themselves there is nothing wrong when addressing physical and emotional abuse in relationships. Discuss the importance of support in your answer.
Tuesday, August 23, 2011 at 7:29am

Random Question
Describe why people tend to turn their backs and tell themselves there is nothing wrong when addressing physical and emotional abuse in relationships. Discuss the importance of support in your answer.
Tuesday, August 23, 2011 at 6:43am

English
In the song: How Come, How Long By: Stevie Wonder... 1) What are the two types of abuse evident in the song? 2) Discuss the meaning of the line "she had a college degree, smart as anyone could be; there was not enough education in her world that could save the life of ...
Monday, August 22, 2011 at 10:41pm

Social Psychology
Aggression is verbal or physical behavior intended to cause harm. It is difficult to think that we participate in aggressive behavior, and yet we all do at some level and at some point in our lives. We know that no one theory is ever completely accurate in describing a ...
Sunday, August 21, 2011 at 8:46pm

chemistry
What happens to the physical properties as the strength of intermolecular forces increases?
Sunday, August 21, 2011 at 5:12pm

physical scince
suppose that one of your test has a capacity of 23ml. you need about 5ml of liquid.describe how you could estimate 5ml.
Sunday, August 21, 2011 at 1:16pm

physical science
If cathode ray is attracted towards north pole of magnet, then do negatively charged ebonite rod get attracted towards north pole?
Sunday, August 21, 2011 at 6:41am

physical science
A magnet is plunged into and out of a coil of wire 2 times per second. This induces 5 volts. If the number of coils in the wire is doubled from 100 to 200, and the original rate 2 times per second is kept the same, what will be the new voltage induced.
Friday, August 19, 2011 at 2:48pm

physical science
the distance between two wave crests in the water is 3 meters. a swimmer notices one wave goes by every 6 seconds. What is the spped of the waves
Friday, August 19, 2011 at 2:47am

physical science
what is the freezing point depression when 153g of bromine is added to 1000g of benzene?
Thursday, August 18, 2011 at 9:08pm

physical science
what is the freezing point depression when 153g of bromide is added to 1000g of benzene?
Thursday, August 18, 2011 at 8:56pm

chemistry
Which best describes the physical change of an aluminum soda can after its crushed? A change in the mass of can B change in weight of can C change of volume of can D change in the specific heat of can
Thursday, August 18, 2011 at 1:28pm

english
You demonstrate that you are able to revise, edit, and proofread by effectively rewriting a paragraph using the standard written conventions of American English. To accomplish this assignment, you apply the rules and skills taught in the first four study units of this course. ...
Wednesday, August 17, 2011 at 1:01pm

physical science
alever is used to lift a heavy load. when a to-n force pushes one end of the lever down 1.2m the load rises 0.2m. show the weight of the load is 300n
Wednesday, August 17, 2011 at 12:59pm

english
Pretend that you writing to the editor of your local newspaper. Your purpose is to convince its readers that rather than solely relying on e-mail, people should mail a letter to their loved ones every now and then. Following is your first draft. Every now and then, instead of ...
Wednesday, August 17, 2011 at 1:48am

physical science
economic impact of potical fibres
Tuesday, August 16, 2011 at 4:39am

Psychology
What is the realm of mind and consciousness? How does the realm of mind and consciousness relate to the physical body? Is there such a thing as an independent mind that transcends physical functions of the body through the central nervous system? Why or why not? Not asking for...
Sunday, August 14, 2011 at 11:30pm

Psychology
I need to find a peer reviewed paper on optimism on physical and psycological health. Can you help me find one that I do not have to pay for?
Sunday, August 14, 2011 at 5:41pm

Chemistry
Describe the physical and chemical changes that occur in grains during cooking.
Friday, August 12, 2011 at 11:10pm

physical
A ball rolling across a field with an acceleration of -0.5 m/s rolls 12.5 m and then comes to a stop after 8 seconds. What was the ball's initial speed?
Friday, August 12, 2011 at 10:09pm

physical
A runner moving at a velocity of 6 m/s increases the velocity in a 2 s time interval to a rate of 10 m/s. What is the rate of acceleration?
Friday, August 12, 2011 at 10:08pm

World History Honors
Hi! Can anyone help me with this assignment...? Using the primary source documents and information from your chapter, form a thesis that describes why Herodotus referred to Egypt the way he did (Why he referred to Egypt as the “gift of the Nile.”) Then, write a 550-...
Friday, August 12, 2011 at 7:55pm

Physical science
Which of the following star colors has the highest temperature?
Thursday, August 11, 2011 at 11:14pm

physical science 101
A person dives off the edge of a cliff 40m above the surface of the sea below. Assuming that air resistance is negligible, (a) How long does it dive last? (b) and with what speed does the person enter the water?
Thursday, August 11, 2011 at 10:02am

physical science 101
A bullet is fired horizontally from a rifle at 300m/s from a cliff above a plain below. The bullter reaches the plain 6s later. (a) How high was the cliff? (b) How far from the cliff did the bullet reach the plain? (c) What was the bullet's speed when it reached the plain?
Thursday, August 11, 2011 at 10:00am

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