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July 30, 2014

# Homework Help: Physical Education

Recent Physical Education Questions

science
whats the physical form in which a substance exists?
Monday, May 16, 2011 at 8:44pm

Chemistry
What would be the sources of error for the lab of physical properties of two types of solids. Solids used:sodium chloride and camphor With: water and 6 ml isopropyl alcohol.
Sunday, May 15, 2011 at 9:26pm

Grammar-agreement errors
Match the correct type to agreement error to the sentence. a. Verb tense agreement error b. Subject/verb agreement error c. Pronoun agreement error d. Modifier placement error e. Parallel structure error 1. A small laceration was on the patient's ear that he received ...
Friday, May 13, 2011 at 2:55pm

Physical Science
when you operate a machine, is often easy to observe cause and effect. for example, when you turn a doorknob, the latch in the door moves. give five examples of machines and describe one cause-and-effect pair in the action of each machine.
Thursday, May 12, 2011 at 7:13pm

Physical science
Why each of the above components is necessary to construct a circuit in which charge flows
Thursday, May 12, 2011 at 1:38pm

Physical science
I need help with the gas laws (Boyle's, Charle's, Gay-Lussac's & the combined gas law). A sample of 6.00 liters of xenon is collected at 960 mm Hg and 50 degrees Celsius. What is the volume at STP?
Wednesday, May 11, 2011 at 8:20pm

physical science
If the force moving an object point's at least partially in the opposite direction of the object's motion, the work is considered to be what
Wednesday, May 11, 2011 at 10:06am

Physical Science
true or false in an atom, negatively charged electrons surround a positively charged nucleus
Monday, May 9, 2011 at 9:13pm

physical science
a sheet of paper is withdrawn from under a glass of milk without spilling it if the paper is removed quickly. this best demostrates that?
Monday, May 9, 2011 at 11:59am

Physical Science
Why E-Field exists between two oppositely charged plates and it is zero elsewhere?
Monday, May 9, 2011 at 11:58am

chemistry
What physical changes take place within a solid as it melts?
Sunday, May 8, 2011 at 3:09pm

Physical science
how can i calculate the number of: 1.molecules in 30g water.2.atoms in 50 dm^3 nitrogen gas.3.nucleons in 10 cm^3 flourine gas?
Saturday, May 7, 2011 at 10:56am

physical science
all of the following are true about water except that it
Friday, May 6, 2011 at 11:50pm

chemistry
the volume ratio between the two gases should have been exactly 2:1. What physical property of either gas might explain the difference between the observed ratio (before rounding) and the theoretical value?
Wednesday, May 4, 2011 at 11:56am

physical science
list two safety procedures to create a supersaturated solution
Tuesday, May 3, 2011 at 7:22pm

health
Please help... Staying fit requires all of the following EXCEPT _______. A-a rigid fitness plan B-physical activity C-healthy habits D-healthy eating 5. True or False: To develop a personal fitness plan you should consider which exercises and sports you like the most.
Tuesday, May 3, 2011 at 6:38pm

English
I need to check these sentences, especially the use of sentence connectors. Can you also suggest a site to me where I can get extra exercises on how to use them in a paragraph? Thank you 1)The soldiers are presented as old and tired. The poet wonders if the readers can hear ...
Tuesday, May 3, 2011 at 12:25pm

Physical Science
If an atom were to lose a neutron the atom's ________ would be affected.
Tuesday, May 3, 2011 at 10:43am

Physical Science
Four balls are dropped from a platform, 20 meters high. One ball is 5k, the other is 10kg, then 20kg, and 40kg. Which ball will experience the GREATEST change in kinetic energy, from platform to ground?
Tuesday, May 3, 2011 at 9:51am

Biology
Habitat limits result in a populations A)salinity B) temperature C) physical obstacles D) biogeographic range
Monday, May 2, 2011 at 11:57pm

physical science
If a quantity of gas in a piston cylinder has a volume of 0.9 m3 and is initially at room temperature (30°C) and is heated in an isobaric (constant-pressure) process, what will be the temperature of the gas in degrees Celsius when it has expanded to a volume of 1.2 m3?
Monday, May 2, 2011 at 10:53pm

Physical Science
A cyclist applies a force of 250 N to the pedals of a bicycle. If the rear wheel applies a force of 200 N to the road surface. What is the mechanical advantage of the bicycle?
Monday, May 2, 2011 at 8:52pm

Physical Science
Hi... well anyways so I am in 7th grade but I'm taking 8th grade science...I think...I know for sure that I am in Accelerated 7th grade science so if that helps at all, there you go:) Back to the subject I'm really confused with acceleration calculation and velocity, ...
Monday, May 2, 2011 at 7:55pm

english
Hockenbury and Hockenbury tell us that daily hassles often cause more stress than major problems do. According to several studies, men and women report different kinds of daily stress and react to stress differently, though both experience psychological and physical symptoms. ...
Monday, May 2, 2011 at 7:46pm

Science (Asap)
You learned that a tree can be cut down and shaped into a bat.This is a physical change.What are some of the physical changes we find in nature?
Monday, May 2, 2011 at 7:04pm

physical science
The resultant vector of two particular displacement vectors dose not equal the sum of the magnitudes of the individual vectors. Describe the directions of the two vectors.
Monday, May 2, 2011 at 5:15pm

Physical science
how many calories to change 100 grams of water at 100 degrees C. to 100 grams of steam at 100 degrees C.?
Sunday, May 1, 2011 at 6:49pm

Physical science
A) a 100 gram ice cube is at -10 degrees celcius. how many calories needed to raise it to 0 degrees C.? B) once its at 0 degrees, how many more calories are needed to melt it? C) once melted, how many are needed to raise it to 100 degrees C.? need answers t all!! thank you!!
Sunday, May 1, 2011 at 6:48pm

Physical science
A little hexane is poured into a crucible and burnt.name the products forme in this reactio
Sunday, May 1, 2011 at 6:54am

PHYSICAL SCIENCE
compute the freezing point of 21.6 g CuSO4 in 1.00 x10 to the 2nd power gH2O
Saturday, April 30, 2011 at 8:44pm

Geology 245
I am in need of help with my final project in Geology. I have to create a 12-15slide powerpoint presentation on Factors and Forces of Geological Features, The Barnett Shale. I have the final rubric Final Rubric: |Factors and Forces of Geological Features Objective of Exercise...
Saturday, April 30, 2011 at 5:09pm

physical science
There is a net passage of 4.5 1018 electrons by a point in a wire conductor in 0.26 s. What is the current in the wire?
Thursday, April 28, 2011 at 7:58pm

Physical Science
The soup in a bowl is too hot to eat. Although there are no ice cubes in the freezer, there are several stainless steel spoons that have been stored in the freezer for several hours. By placing the cold spoons in the hot soup, the soup's temperature is lowered from a ...
Thursday, April 28, 2011 at 10:01am

English
I checked other sentences. Can you please have a look at them. 1) Dorian wishes he would stay young forever while the portrait would grow old in his place (I changed the simple past into the conditional as you told me) 2) The sins committed by Dorian appear in the picture ...
Thursday, April 28, 2011 at 9:22am

comm
Read the summary paragraph on the bottom of p. 37. Identify the author’s goal in writing the paragraph. How effectively do you think the author met that goal? The paragraph is below. Hockenbury and Hockenbury tell us that daily hassles often cause more stress than major ...
Wednesday, April 27, 2011 at 10:00pm

physical science
how much power is used when a weightlifter lifts a 1250-n barbell 2 meters in 3 seconds. ----------------------------------------​----------------------------------------​----------------------------------------​----------------------------------------​...
Tuesday, April 26, 2011 at 10:56pm

physical science
Trying to find the power to this ?. A weightlifter lifts a 1250-n barbell 2meters in 3seconds. How much power was used to lift the barbell? Do you have to find the work first??
Tuesday, April 26, 2011 at 10:40pm

physical science
A mover uses a ramp to push a stereo into the moving van. The ramp is 3 meters long and 1.5 meters high. What is the ima of this ramp?
Tuesday, April 26, 2011 at 9:00pm

physical science
A screwdriver with a 1-cm shaft and a 4-cm handle is used to tighten a screw, what is the ima?
Tuesday, April 26, 2011 at 8:56pm

physical science
A painter uses a fixed pulley to raise a 1-k can of paint a distance of 10 m,what is the ima??
Tuesday, April 26, 2011 at 8:54pm

physical chemistry
find the ph of the solution that results from the addition of 25ml of 0.1mol/l NaOH solution to 50ml of 0.1mol/l HCL solution?
Tuesday, April 26, 2011 at 6:27pm

physical Science
Explain why a ceramic bowl will keep oatmeal hot longer than a stainless steel bowl?
Tuesday, April 26, 2011 at 2:36pm

Accounting
#15 Supplies: Original Purchase and Adjusting Entry On January 1, the company had office supplies costing $4,600. On March 23, the company bought additional office supplies costing$8,200; the company paid cash. On December 31, a physical count of office supplies revealed ...
Monday, April 25, 2011 at 10:10pm

physical science
6. Draw a model of the atom shown in the atomic box below. Be sure to place all the protons, and neutrons in the correct location.
Monday, April 25, 2011 at 3:54pm

physical science
If the absolute pressure of a gas is 550.280 kPa, its gage pressure is
Thursday, April 21, 2011 at 5:53pm

BIS155 - Final Exam
Fact Pattern Question 2: You own your own small party supply and rental business. You maintain an Excel list of potential customers and clients who have rented or purchased from you in the past two years. the list includes both physical and mailing addresses and email ...
Wednesday, April 20, 2011 at 1:37pm

pyschology
The Biosocial approach suggests that gender differences are based on: a. the hormone and neurological differences between men and women b. how men and women think about their environment c. the physical ability of men to protect the home and of women to bear children. d. the ...
Wednesday, April 20, 2011 at 11:45am

Com/155
Read the summary paragraph on the bottom of p. 37. Identify the author’s goal in writing the paragraph. How effectively do you think the author met that goal? The paragraph is below. Hockenbury and Hockenbury tell us that daily hassles often cause more stress than major ...
Tuesday, April 19, 2011 at 7:05pm

Intro to Physical Science
A car whose mass is 1000 kg is traveling at a constant speed of 10 m/s Neglecting any friction, how much force will the engine have to supply to keep going the same speed?
Monday, April 18, 2011 at 9:52pm

Intro to Physical Science
A car whose mass is 1000 kg is traveling at a constant speed of 10 m/s Neglecting any friction, how much force will the engine have to supply to keep going the same speed?
Monday, April 18, 2011 at 9:51pm

Essay evaluation
Please grade my GMAT essay on 6 The author of the statement believes that the century old practice of using money in its physical form should be replaced by electronic accounts of credits and debits. Some people may argue that this practice is elitist and people of the lower ...
Monday, April 18, 2011 at 2:40am

physical science
which of the following statements concerning air resitance is false? a. skydiverscan influence their speed by changing thier body positioning b. objects tht fall together in a vaccum may fall at differnt speeds in air. c. it is easier for a pitcher to throw a good curve ball ...
Monday, April 18, 2011 at 12:43am

Physical science
Why is it easy for a magnesIum(mg number 12) To lose 2 electrons. Is it because the nuclear charge of the mg atom is relatively weak?
Sunday, April 17, 2011 at 11:13pm

physical
Everyone i need your attention! I'm having a HUGE PE test on Monday, and I dont know how many players are on a basketball team!!!!! HELP??????
Friday, April 15, 2011 at 5:10pm

child care
When preparing an environment for school-aged children, the caregiver should ensure that the A. environment resembles their school setting. B. children are continually intermixed with the younger children. C. outdoor area allows them to continually challenge their physical ...
Thursday, April 14, 2011 at 10:41pm

Child Development
When preparing an environment for scjhool-aged childre, the caregiver should ensure that the (children have the opportunity to relax in a homelike atmosphere) OR (outdoor area allows them t ocontinnually challenge their physical ability)? I cant remember which one is correct= ...
Thursday, April 14, 2011 at 3:45pm

childcare
When preparing an environment for school-aged children, the caregiver should ensure that the A. environment resembles their school setting. B. children are continually intermixed with the younger children. C. outdoor area allows them to continually challenge their physical ...
Thursday, April 14, 2011 at 2:09am

English
I'd like you to check these sentences for me, please. Thank you very much. It's urgent! 1) Virginia Woolf wanted to explore man's mental experience following what Joyce had already done in England Proust in France. S 2) he abondoned traditional writing techniques ...
Wednesday, April 13, 2011 at 5:00pm

Western Civilization 102
Can someone please interpret Charles Darwin thought and statements for me please: He believed that "As more individuals are produced than can possibly survive, there must in every case be a struggle for existence, either one individual with another of the same species, or...
Monday, April 11, 2011 at 9:33pm

psy 220
HELP going through home CRISIS Find a peer reviewed article which discusses the effects of optimism on physical and psychological health. (You may need to find two articles in order to cover both the physical and the psychological areas).
Sunday, April 10, 2011 at 4:54pm

Physical science
How early did s.a incorporated the stars into their world explaing how they used stars to mark seasons and events events and retelling some legends and some stories linked with specific stars and constellations
Sunday, April 10, 2011 at 12:35pm

magnesium hydroxide + hydrobromic acid --> is the formula for that Mg(OH)2(s) + HBr(aq) ->H2O(l) +BrOH(s) and are the physical states correct??
Saturday, April 9, 2011 at 3:32pm

Physical Science
lead has specific heat of .028kcal/kgC, melting point of 328 degrees C and a heat fusion of 5.5 kcal/kg. how much heat must be provided to melt a 250kg sample of lead with a temperature of 20 degrees Celsius?
Friday, April 8, 2011 at 12:16am

psychology
particular factors encourage people to be drawn into liking one another. in this context the reciprocity of liking effect is primarily associted with? a.) exposure b.)propinquilty c.) similarity d.) physical attractiveness. I think its D but not 100%
Thursday, April 7, 2011 at 9:30am

English
Please check for comma errors. If I need to add any commas or take some out please show me where. Thank you!! You seem to be progressing nicely after your back surgery; however, I do want to remind you of the importance of the instructions that was give to you prior to your ...
Wednesday, April 6, 2011 at 10:05pm

Physical Geography, Earth Science
Who were the four other major contributors to the development of modern astronomy after Copernicus? Explain what those contributions were. Finally, why did it take so long for the geocentric view of the universe to be overthrown and what does that tell us about scientific ...
Wednesday, April 6, 2011 at 9:15pm

physical
Part A Each blade on a wind turbine is engineered to produce an effective force through its center of mass that is perpendicular to its long axis. (Part A figure) The magnitude of the force produced by each blade in a wind of speed v is F=(40.0~{\rm kg/s})v. If the center of ...
Wednesday, April 6, 2011 at 8:30am

Chemistry
What physical properties can you use to verify the identity of a compound?
Tuesday, April 5, 2011 at 4:21pm

Physical Geography, Earth Science
How do you label a Tectonic Map of Hypothetical Ocean Basin? I have to draw in the plate boundaries.
Tuesday, April 5, 2011 at 2:46pm

Physical Science
When aqueous solutions of Na2CO3 and BaCl2 are mixed, the products are NaCl and?
Sunday, April 3, 2011 at 10:20pm

physical science
Compare the amount of heat required to change teh temperature of 150 kg of copper from 12 degrees celcius to 56 degrees celcius to the amount of heat required to change the temperature of 150 kg of gold from 12 degrees celcius to 56 degees celcius.
Saturday, April 2, 2011 at 1:37pm

Physical Geography
Will someone please check my work? I cannot seem to post the map that is in the workbook. Assume that a parcel of air is forcd to rise up and over a 4000 meter high mountain.The initial temp of the parcel at sea level is 30*c, and the LCL of the parcel is 2000 meters. The DAR...
Friday, April 1, 2011 at 4:23pm

physical science
How much work is required to lift a 10kg weight 5m off the floor if the time is 10 sec?
Friday, April 1, 2011 at 9:33am

Physical Geography
Using information from 2 locations, Berkeley, California and Terre Haute, Indiana, a comparison of the water balance will be completed between the 2 sites. The data includes precipitation, potential and actual evapotranspiration, soil water storage, deficit and surplus.
Thursday, March 31, 2011 at 7:41pm

physical
our p.e. teacher makes us do alot of laps and the other day i fell on my spine is it good for me
Thursday, March 31, 2011 at 12:28am

science
i need to solve this : 1. we should show the chemical structure of oligosaccharide which contains 2 galactoses and 1 saccharose. 2. compare the difference in physical features og dicarboxylic acids and glucose beta chain 3. determine the calorific value of 5g saccharose please...
Tuesday, March 29, 2011 at 4:19pm

accounting
Neer Department Store uses the retail inventory method to estimate its monthly ending inventories. The following information is available for two of its departments at August 31, 2011. Sporting Goods Jewelry and Cosmetics Cost Retail Cost Retail Net sales $1,000,000$1,160,000...
Tuesday, March 29, 2011 at 8:39am

english
Every now and then, instead of using e-mail, mail a letter to your grandparents. We live in a fast-paced world. We feel comfortable using computers to send e-mails and Instant Message. Nana doesn’t live in that time zone. Forget all those fancy fonts and emoticons or ...
Sunday, March 27, 2011 at 4:42pm

Physical Science
An aluminum nucleus has 13 protons and 14 neutrons. A copper nucleus has 29 protons and 34 neutrons. What is the force of repulsion between an aluminum nucleus and a copper nucleus when they are separated by 1.2 nm?
Saturday, March 26, 2011 at 12:39pm

physical science
in a balanced chemical equation the mass of the reactants is equal to the? a. atoms in a molecule b. atomic mass of the elements c. volume of the reactants d. mass of the products
Friday, March 25, 2011 at 7:57pm

English
I am the WORST writer. English is my weakness. I just wrote this literary analysis. I would go to the writing center at my school, but the paper is due tomorrow and it doesn't open until after my class. I would appreciate it SO much is someone could just quickly scan this ...
Thursday, March 24, 2011 at 12:00am

Physical Science
In a certain reaction 1.5 mol of CO and 1.5 mol of H2O are placed in a 2,0 dm3 sealed vessel. Equilibrium is established at a temperature of 1 000 C. The equilibrium reaction equation is CO(g) + H2O(g) = CO2(g) + H2(g) The value of Kc for this reaction is 0,63. Calculate the ...
Tuesday, March 22, 2011 at 6:00am

physical science
If the asteroid is moving at a constant speed in its orbit, does this also mean it is moving at a constant velocity? Explain your answer.
Monday, March 21, 2011 at 4:46pm

physical science
Assume this asteroid has the shape of a sphere. A rock sitting on the surface of the asteroid has a weight of 100 newtons. What would the weight of this rock be if it were moved to a distance above the surface equal to the radius of the asteroid? It may be helpful to draw a ...
Monday, March 21, 2011 at 4:44pm

physical science
What happens to the gravitational force between two objects if their separation is doubled? The force of attraction is doubled. the same. half as much. one fourth as much.
Sunday, March 20, 2011 at 8:23pm

physical scien ce
what is the wave length
Sunday, March 20, 2011 at 7:56pm

physical science
what is the wave length
Sunday, March 20, 2011 at 6:14pm

English
Thank you very much for helping me! Your information was really of help can you say that?) Here is a paragraph I wrote on Dulce et Decorum Est by Owen. I know it is incomplete. I also need to find more data on the "War poets" and on this poem, too. Can you help m? 1...
Sunday, March 20, 2011 at 6:05pm

Chemistry
In a mixture of liquids,liquid A is steam volatile,and decomposes at its boiling point.explain the method of separating liquid A from the mixture,with physical principles involved.
Sunday, March 20, 2011 at 12:09am

English
just can't figure these sentences out. have to rewrite these sentences, correcting the problem of incorrect omission.? 1. A liberal arts background is excellent for such professions as lawyers and doctors. 2. American colleges consistently produce more physical education ...
Saturday, March 19, 2011 at 8:57am

English
I just can't figure these sentences out. have to rewrite these sentences, correcting the problem of incorrect omission.? 1. A liberal arts background is excellent for such professions as lawyers and doctors. 2. American colleges consistently produce more physical education...
Friday, March 18, 2011 at 2:55pm

physical sciece
aA player uses a hockeey stick to incease the speed of a 0.200 kg hockey puck by 6 m /s in 2 seconds. (A)How much dd the hockey puck accelerate? (B)How much force was exerted on the pack? (C)How much force did the puck exert on the hockey stick.
Thursday, March 17, 2011 at 6:13pm

physical science
As the number of carbon atoms in the compound increases, what pattern do you see in the boiling points? What general pattern do you see in the melting points?
Thursday, March 17, 2011 at 5:53pm

English
Can you please help me formulate the questions better and answer the last two yourself? Thank you very much. 1) I quarrelled (argued) with my best friend because I refused to let her copy the maths test (from mine?). 2) She is cross/furious with me now. I'm going to make ...
Thursday, March 17, 2011 at 3:20pm

physical
the density of mercury is 13.3 g cm-3. what is its D in kg m-3 and standard form?
Thursday, March 17, 2011 at 4:34am

physical science
What is the acceleration of a girl on a skateboard if the The unbalanced forward force on the boy is 15 N? The total mass of the boy and skateboard is 58 kg.
Wednesday, March 16, 2011 at 3:56pm

chemistry
Would you use a physical model or a conceptual model to describe the following: a gold coin, dollar bill, car engine, air pollution, virus, spread of sexually transmitted disease?
Wednesday, March 16, 2011 at 1:05pm

Physical Science
If a vehicle circled Earth at a distance equal to the Earth-Moon distance, how long would it take to make a complete orbit?
Tuesday, March 15, 2011 at 9:38am

marketing
consumer services then to be intangible.and goods tend to be tangible, use an example to explain how the lack of a physical good in a pure service might affect efforts to promote the service.
Monday, March 14, 2011 at 9:36pm

Physical science
(A) A red light source and a green light source shine on a white screen. What color will the screen be? Explain your answer (B) if a blue object is aced in front of the screen, what color will it be? Explain your answer
Monday, March 14, 2011 at 5:25pm

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