Homework Help: Health: Physical Fitness

Recent Homework Questions About Physical Fitness

Physical sciences
1 term question 1 if object a exerts a force on onject b,object b exerts an equal force on object a,but in the opposite direction waves in which the particles vibrate in a direction perpendicular to the direction in which the wave energy is propagated 3 the force per unit ...
Friday, March 8, 2013 at 11:04pm

physical
a car a starts from rest 305kg increase its equal to 10m/s in 2 second
Friday, March 8, 2013 at 11:33am

Social Studies
How did Nubia's physical features affect civilization in the region?
Thursday, March 7, 2013 at 8:42pm

physical
Suppose a sound of frequency 1200 Hz is emitted from a speaker 15 meters away from you. At YOUR location, the intensity is 1.0E-7 W/m2. Let me assume your eardrum has area 3E-5 m2. If the sound continues for 8 seconds, what total amount of energy is received by your ear?
Thursday, March 7, 2013 at 5:47pm

Management for Organizations
Would someone PLEASE check my answers..THANKS in advance!!! 1. Employee inventories and skills inventories are strategies for ________________________. (D) job design promoting-from-within external recruiting human resource planning 2. Which one of the following choices is not...
Thursday, March 7, 2013 at 11:40am

Please help check physical science!
Please help check my answers I really want to make a 100%! 1. A mechanical wave moves through a medium, which can be (1 point) A. a liquid. B. a solid. C. a gas. D. all of the above <-- This one 2. Which type of kind of wave causes the medium to vibrate only in a direction ...
Wednesday, March 6, 2013 at 10:26pm

English
Request for feedback on CAUSE essay. Please give input on below essay: “I ran three miles, staggered into the lobby, and took the elevator to my apartment, no use overdoing this exercise junk.” Janet Evonovich About 40% of Americans report that they never exercise, ...
Wednesday, March 6, 2013 at 3:29pm

Physical Science
A sedan weighing 4000 pounds travelling at 30mph collides head on with a compact car weighing 2000 pounds and travelling in the opposite direction at 45 mph. What is the resultant velocity of the combined vehicles?
Wednesday, March 6, 2013 at 3:34am

Physical science
When a crate slides down an incline at a constant velocity it is
Tuesday, March 5, 2013 at 10:00pm

chemistry
is putting gas in a vehicle a physical or chemical reaction
Tuesday, March 5, 2013 at 8:16pm

General Biology
Darwin used which of the following terms to describe the process by which those individuals that possess superior physical, behavioral, or other attributes are more likely to pass their traits to the next generation?
Tuesday, March 5, 2013 at 2:07pm

physical
Hey everyone... hoping I can get an answer soon... I have a PD/H/PE homework assignment on which we have to create an collage on Physical, Spiritual, Emotional, Social and Mental health. I am stuck on a definition for spiritual health, me not being a very big know-it-all in PD...
Tuesday, March 5, 2013 at 12:31am

physical chemistry
This question is about a lab called Heats of Ionic Reaction in my Physical Chemistry class. I need to know why there should be a large percentage error in deltaH4
Monday, March 4, 2013 at 8:16pm

physical science
Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why?
Monday, March 4, 2013 at 4:55pm

English
The assignment is to write a CAUSE paper on an addiction. There is to be three topic sentences with support, a thesis, an introduction and a conclusion. I obviously have left of my sources, and need to insert them. I would really appreciate some feedback and some help ...
Monday, March 4, 2013 at 2:22pm

physical science
Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why?
Sunday, March 3, 2013 at 2:36pm

physical science
10. A balloon has a volume of 0.5 L at 20°C. What will the volume be if the balloon is heated to 150°C? Assume constant pressure and mass.
Sunday, March 3, 2013 at 2:03pm

physical science
3. Atmospheric pressure at the top of Mt. Everest is about 150 mm Hg. That is why climbers always bring oxygen tanks. If a climber carries a 12.0 liter tank with a pressure of 35,000 mm Hg, what volume will the gas occupy if it is released at the top of Mt. Everest?
Sunday, March 3, 2013 at 2:03pm

physical science
1. Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why in your own words.
Sunday, March 3, 2013 at 2:02pm

physical science
Hypothesize how the pH of white vinegar would change if an ammonia solution was added to it a drop at a time. White vinegar has a pH of 3.1
Saturday, March 2, 2013 at 4:33pm

physical
A 70-kg man and a 50-kg woman are in a 60-kg boat when its motor fails. The man dives into the water with a horizontal speed of 3m/s in order to swim ashore. If he changes his mind, can he swim back to the boat if his swimming speed is 1m/s? If not, can the woman change the ...
Saturday, March 2, 2013 at 3:28am

physical
When 1 g of gasoline is burned in an engine, about 48 kJ of heat is produced. How much mass is lost in the process? Do you think this mass change could directly measured
Saturday, March 2, 2013 at 2:48am

physical science
You wish to heat 30 kg of water from 60°C to 80°C. How many kcal of heat are necessary to do this? To how many kJ does this correspond?
Saturday, March 2, 2013 at 12:26am

Physical Science
ok so i keep getting one wrong on a 4 question test and failing so can someone tell me what im getting wrong 1. What causes an electric current in a wire? A. Electric fields cause atoms to move in the wire. B. Electrons flow because of electrical attraction and repulsion. C. ...
Friday, March 1, 2013 at 5:03pm

world geo
Explain how Western Europe's physical geography affects its climate, settlement patterns, culture, and economy
Friday, March 1, 2013 at 10:02am

Physical Science
what will have a greater effect on the intensity of a sound, doubling its power or halving its distance? Explain your answer.
Thursday, February 28, 2013 at 11:25am

physical science
You are at a concert and you are located 91.2-m from the speakers. The frequency belting from the speakers are 291-Hz, if it takes 0.230-sec for the sound to reach your location what is the sounds wavelength?
Thursday, February 28, 2013 at 9:37am

physical science
You are at a concert and you are located 95.9-m from the speakers. The frequency belting from the speakers are 257-Hz, if it takes 0.503-sec for the sound to reach your location what is the sounds wavelength?
Thursday, February 28, 2013 at 9:36am

physical science
You are at a concert and you are located 97.5-m from the speakers. The frequency belting from the speakers are 216-Hz, if it takes 0.181-sec for the sound to reach your location what is the speed of sound in this facility?
Thursday, February 28, 2013 at 9:35am

Physical Science
Find the change in the force of gravity between two planets when their masses remain the same but the distance between them is increased by 10 times.
Wednesday, February 27, 2013 at 11:19pm

physical
A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg dog need to jump this high? (The acceleration due to gravity is 9.8 m/s².)
Tuesday, February 26, 2013 at 7:01pm

physical
what are the limitations on practical interstellar travel for both manned and unmanned craft and what are some proposed ways to deal with them in the future?
Tuesday, February 26, 2013 at 6:05pm

physical
A computer is reading data from a rotating CD-ROM. At a point that is 0.036 m from the center of the disc, the centripetal acceleration is 120 m/s2. What is the centripetal acceleration at a point that is 0.056 m from the center of the disc?
Sunday, February 24, 2013 at 1:03am

Physical Science
A car and a truck are on the highway. Both need to accelerate at 7 m/s2 in order to avoid an accident. a. Find the force acting on the car, which has a mass of 408 k b. Find the force acting on the truck, which has a mass of 2,100 kg.
Wednesday, February 20, 2013 at 11:11pm

Physical Science
A force of 20 N is applied to a box of books with a mass of 4kg. Find the acceleration of the box of books.
Wednesday, February 20, 2013 at 11:03pm

Data Mangement- Math
The diagram represents the computer network between the department offices in a high school. The network can send data from one computer to another using any number of intermediate connections, but the data can pass through each connection only once. How many routes are there ...
Wednesday, February 20, 2013 at 7:46pm

Physical science
If a ball is thrown straight up at a speed of 24.7 m/s, for how long of a time will it continue to rise before it starts to fall back down?
Tuesday, February 19, 2013 at 10:18pm

Physical Science- Balance Equations
Hi! Can someone please balance these equations, please?! I'm having major trouble! Thank you! HCl (aq) + NaHCO3 (aq) ¨ HBr (aq) + NH3 (aq) ¨ LiHCO3 (aq) + HI (aq) ¨
Monday, February 18, 2013 at 7:10pm

psychology
Particular factors encourage people to be drawn into liking one another. In this context, the reciprocity of liking effect is primarily associated with A. physical attractiveness. B. propinquity. C. similarity. D. exposure.
Monday, February 18, 2013 at 4:38pm

Basketball Current Event
Dear Tutor, I have to do a current event for Physical Education on basketball. My problem is that I don't know anything about basketball and my coach wants it to be on a famous basketball team that has recently played. Can you help me find an article. I am really dumb when...
Monday, February 18, 2013 at 2:57pm

algebra
a physical education teacher was getting ready for gym class one day . he measured the circumference of the basketball to be 9 inches when it is filled with air . he then went on to pose the following question to his classes : use 3.14 A ) how much material is needed to make ...
Monday, February 18, 2013 at 12:13pm

Physical Science
A force of 60N used to push a chair across a room does 300J of work in half a minute. How far does a chair move?
Sunday, February 17, 2013 at 5:37pm

physical science
a scientist found a fossilized bison. using Carbon-14 dating, she found that the fossil was about 45,840 years old. Carbon-14 has a half-life of 5730 years. how many half-lives have passed?
Sunday, February 17, 2013 at 4:59pm

chemestry
Explain the physical significance of van der waals,parameters ?
Sunday, February 17, 2013 at 9:50am

physical science
sodium-24 has a half life of 15 hours,how much of a 50 gram sample will be left after 60 hours
Saturday, February 16, 2013 at 8:53pm

physical science
cobalt-60 has a half-life of 5.26 years, how much of a 500 gram sample will be left after 21 years
Saturday, February 16, 2013 at 3:53pm

Speech 09
I'm posting this question again I really need to know if i am right or wrong please help Place the correct letter next to the item that matches it. A. Physical Barrier B. Mental Barrier C. Cultural Barrier D. Empathic Listening E. Listening for Information F. Critical ...
Thursday, February 14, 2013 at 7:36pm

Education/Technology
To get instant feedback for assessment, such as physical education fitness, a music lab activity, or reading competency, students have been shown how to use A) scanners or punch cards. B) handheld computers or PDAs. C) desktop or laptop computers. D) webcams or digital cameras...
Thursday, February 14, 2013 at 6:21pm

physical sciene
Two 2.2 kg physical science textbooks on a bookshelf are 0.15 m apart. What is the magnitude of the gravitational attraction between the books?
Thursday, February 14, 2013 at 1:14pm

Speech
Listening to your friend sincerely as they tell you about their day ( empathic listening)? Not anderstanding because of accent ( cultural barrier)? Take notes in class and studying then so you can paraphrase the information for a test. (Academic listening) A me Janice ...
Wednesday, February 13, 2013 at 11:40pm

physical
Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 84 kg, and the mass of the woman is 68 kg. The woman pushes on the man with a force of 50 N due east. Determine the acceleration (magnitude ...
Wednesday, February 13, 2013 at 12:10pm

Physical Science
How many CH4 molecules are contained in a 50gram sample of CH4 gas?
Tuesday, February 12, 2013 at 9:34pm

physical sciences
A child throws a coin vertically downwards from a window of high building with an initial velocity of 15 m/s.Ignore the effect of air friction. Calculate vhow lonfg the coin falls
Tuesday, February 12, 2013 at 9:08am

Physical Science Help!
Can someone please help me balance these equations? Thank you for your time!! 1. NO + O2 ¨ NO2 2. NH4Cl + Ca(OH)2 ¨ CaCl2 + NH3 + H2O
Monday, February 11, 2013 at 5:51pm

intro to physical science
the specific heat of granite is 0.80 KJ/kg . c. I f 1.6 MJ of heat are added to a 100-kg granite statue of James Precott Joule that is originally at 18 C, what is the finale temperature of the statue
Monday, February 11, 2013 at 10:30am

intro to physical science
what is the Celsius equival of a temperature of 160 F
Monday, February 11, 2013 at 10:25am

physical science
a metal power/laundry line which hang droop on a very warm day
Sunday, February 10, 2013 at 1:03pm

physical science
the need for gaps in railway lines
Sunday, February 10, 2013 at 12:58pm

Chem
Elements with similar properties Answer occupy the same period of the periodic table have similar electron configurations have the same number of neutrons in their nuclei exist in the same physical state (solid, liquid, or gas)
Saturday, February 9, 2013 at 12:46pm

physical sciene
Neglecting air resistance, how fast is the object traveling when it strikes the gounnd at the end of 3.8s?
Saturday, February 9, 2013 at 12:16am

marketing
Develop and describe the packaging necessary for your product or service in a one- to two-page paper. Your description must include the market research done (or necessary) to arrive at the packaging. Identify the product concepts you used in determining the packaging. How does...
Friday, February 8, 2013 at 4:07pm

Physical Science
Predict how each of the following changes will affect the following reaction involving gaseous reactants and products: 2NO2 = N2O4 + heat a. the temperature is increased. b. the pressure is increase. c. N2O4 is removed from the equilibrium mixtur. d. NO2 is added to the ...
Friday, February 8, 2013 at 2:20am

Physical Science
Predict the shift of equilibrium for each of the following conditions in the following reaction involving gaseous reactants and products: N2 + 3H2 = 2NH3 + heat A. the pressure is increased. b. the temperature is decreased.
Friday, February 8, 2013 at 2:16am

physical
Prove that the SI unit of gravitatinal feild strength,N.kg to the power of minise 1,is equivalent tothe SI unit of acceleration due to gravity,m.s-2.
Thursday, February 7, 2013 at 3:29pm

physical
The mass of the earth is 5,96 multipy by 10 to the power of 2) kg and that of the moon 7,35 multiply by 10 to the power of 22kg.If the distance between their centres is 3,84 multiply by 10 to the power of 8m,calculate the mass of each ball.
Thursday, February 7, 2013 at 3:26pm

health
hat is physical stress? A. A physical reaction of the body to various triggers B. A physical reaction of the mind to various triggers C. A physical reaction of the soul to various triggers D. A physical reaction to the heart to various triggers i think its a
Thursday, February 7, 2013 at 3:25pm

physical
A mass of 1kg on the earth is attracted with a force of 9,8 N.The raduis ofthe earth is 6,38 X 10m,calculate the mass of the earth.
Thursday, February 7, 2013 at 3:06pm

Just some LA q's, Ms.Sue please
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, February 7, 2013 at 2:47pm

Physical Geography of Latin America
What has the most natural resources, including rain forests and minerals.
Wednesday, February 6, 2013 at 6:52pm

Physical Ed
11. Disagreements are a normal part of life. (1 point) True False 12. Talking to a trustworthy adult is the best way to stop sexual abuse and get help. (1 point) True False 13. Some conflicts are made worse by peer negotiation. (1 point) True False 14. Feeling negatively about...
Wednesday, February 6, 2013 at 1:58pm

Physical Science
I studied this 2 years ago in college and am no back in school. I can't remember any of this stuff and I really need to figure it out. Please Help Me!! The Latent Heat of Vaporization for water is 540. cal/g. How much heat (in calories) must be added to 10.0 g of water at ...
Tuesday, February 5, 2013 at 10:05pm

Physical science
How much energy would be needed to warm 1.5 L of water from 0 °C to 25 °C? The specific heat capacity of water is 4186 J/kg/°C.
Tuesday, February 5, 2013 at 8:33pm

physical science
How much energy would be needed to warm 1.5 L of water from 25 °C to 50 °C? The specific heat capacity of water is 4186 J/kg/°C.
Tuesday, February 5, 2013 at 8:14pm

Please help with Physical Science 2!! Confused!
Complete the following table by replacing question marks with the correct numbers: (Note: Each horizontal row is a separate example, so in row #1, 175.32 grams of NaCl is how many moles of NaCl and how many molecules of NaCl does it contain?) Grams NaCl Moles NaCl # Molecules ...
Tuesday, February 5, 2013 at 6:08pm

Physical Science Please Help!
Table salt, sodium chloride, has the formula NaCl. A weight of 58.44 grams of table salt contains 1.0 mole of NaCl molecules. How many moles of NaCl are contained in 29.22 grams of NaCl?
Tuesday, February 5, 2013 at 5:08pm

Physical Education
What is the difference between physical and motor fitness? Thank You
Monday, February 4, 2013 at 4:02pm

Physical science
A sustained force of 56 moves a model airplane 16 along its runway to provide the required speed for takeoff. Find the kinetic energy at takeoff. What is the formula?
Monday, February 4, 2013 at 3:26pm

chemistry
can u tell me whats the most imprtant subject i need to know for molecular composition of gases ? and for physical characteristics of gases?
Sunday, February 3, 2013 at 6:16pm

physical science
A man pulls a lawnmower with a mass of 50 kilogram accross a lawn, its pulling force is 400 newtons at angle of 50 degrees with a horizontal line.(a) resolve the force into two components , one parallel to the ground and one perpendicular to the ground .(b) explain why it is ...
Saturday, February 2, 2013 at 9:43am

physical sciences
how much work is required to accelerate a can with a mass of 1000kg from 20 metre per second to 30m cubed
Friday, February 1, 2013 at 12:14pm

Physical Science
What is the acceleration of a car that moves from rest to 15.0m/s in 10.0s ?
Thursday, January 31, 2013 at 10:27pm

Physical science
A create is pulled across a horizontal surface with a force of 100N which makes an angle of 30 degrees with a horizontal.(a)draw a diagram of the horizontal and vertical components of the force.(b)resolve the force in its parallel and perpendicularcomponents of the force.
Thursday, January 31, 2013 at 2:52pm

Physical science
9 mol HI(g)is sealed with H2(g)in an empty 2 dm container when equilibriup is reached by the reaction..H2(g)+I2(g)=2HI(g) at 130 C it found that there are 5 mol HI(g)in the equilibrium mixture.calculate the equilibriup constant
Thursday, January 31, 2013 at 10:53am

physical
A student is standing in the basket of a hot air-ballon which is moving upwards at a constant speed of 15 m.s.-1.He leans over the edge of the basket and lets go of the sandbag which takes 5 seconds to reach the ground.what is the acceleration of the hot-air balloon while the ...
Thursday, January 31, 2013 at 10:05am

physical science
push a box across a tablewith a force of 5 newtons and the box moves 0.5 meters. how much work is been accomplished?
Wednesday, January 30, 2013 at 8:53pm

physical science
In terms of energy, the general chemical equation AB+CD+energy = AD+CB represents a (an)_________ reaction.
Tuesday, January 29, 2013 at 11:19pm

PHYSICAL SCIENCE
WHAT IS THE GPE OF A BOOK THAT HAS A MASS OF 1KG THAT IS SITTING ON A SHELF THAT IS 2M ABOVE THE GROUND?
Tuesday, January 29, 2013 at 8:20pm

Social Studies
According to Sigmund Freud, human behavior was? A)ruled by two related emotions: love and pity. B)determined by the physical makeup of the brain, and could not be altered. C)the one factor that made human beings superior to all other animals. D)strongly determined by repressed...
Tuesday, January 29, 2013 at 11:11am

Physical science
A box with a mass of 2,ookg rests on a horizontal surface.Calculate the maximum static friction if ms=0,4oo
Monday, January 28, 2013 at 3:11pm

Physical Science
How much heat is needed to melt 100 g of ice at 0°C? A: 8000 B: 540 C: 7200 D: 100
Monday, January 28, 2013 at 2:01pm

physical science
A tractor pulls a tree trunk across horizontal piece of ground. If the force in the chain is 3000N and the chain forms an angle of 30 degrees with the group , calculate 1the force with wch the tree is pulled across the ground 2 the force with wch the tree is lifted
Monday, January 28, 2013 at 11:55am

physical sciences
Imagine a circle with a diameter of 2km.if this represents an atom ,which answer would best represent the nucleus?choose the correct answer:a table tennis ball(diameter;2cm)atennis ball(diameter;7cm)avolley ball(diameter;20cm)a soccer ball(diameter;25cm)
Monday, January 28, 2013 at 11:03am

Physical science
An object is on a horizontal surface,three force act horizontal on the object.3N to the left,12N to the right,in to the left.at the same time,another three force act vertically on the object,4N upwards,10N downward,2N downwards determine the resultant horizontal and vertical ...
Monday, January 28, 2013 at 10:27am

phy
1 Physical quantities such as length, mass, time and temperature are referred to as vector quantities fundamental quantities scalar quantities derived quantities 2 The following are examples of vector quantities except displacment velocity accleration speed 3 The addition of ...
Monday, January 28, 2013 at 3:35am

phy
A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is NOT true? The passenger is in motion relative to the passer-by The passer-by is stationary relative to the passenger Both ...
Monday, January 28, 2013 at 3:33am

CHM
Which of the following is not an example of a physical change? is this the right Answer accidentally leaving a piece of toast in the toaster until it is completely black
Sunday, January 27, 2013 at 11:24pm

Physical Science
A hot dog bun (volume 240 cm3) with a density of 0.15 g/cm3 is crushed in a picnic cooler into a volume of 195 cms. What is the new densitu of the bun?
Sunday, January 27, 2013 at 11:07pm

Accounting
Hello, I’m having a difficult time understanding how to adjust the following unadjusted accounts: A/R ……………… 3;………………..480,000 Accum. Depr, building………116,000 Accum. Depr, ...
Sunday, January 27, 2013 at 7:30pm

physical
A marathon runner runs 3km in direction 0degree and them 4km in direction 90degree. total time for the race is 2 hours.so determine the total distance covered?
Sunday, January 27, 2013 at 1:53pm

Physics
The modern Boeing 747 passenger jet airplane cruises at a speed up to 900 km/hr, at an altitude of 11,000 m. The cabin pressure is maintained equivalent to the atmospheric pressure at an altitude of 2,000 m. This is called the "cabin altitude". The pressure as a ...
Sunday, January 27, 2013 at 4:01am

statistic
Over the past 10 years, the local school district has measured physical fitness for all high school freshmen. During that time, the average score on a treadmill endurance task has been μ 19.8 minutes with a standard deviation of 7.2 minutes. Assuming that ...
Sunday, January 27, 2013 at 2:10am

Language Art
I'm currently doing a project and need a physical object to represent "racism". Anyone have a suggestion of such item? Thanks
Friday, January 25, 2013 at 7:40pm

Physical Sciences
How do I calculate the initial velocity of a ball if i've only given a maximum height of 12metres above its starting point?
Friday, January 25, 2013 at 11:35am

Science
1. How many chromosomes do human sex cells have? (1 point) 22 43 46 23 2. The actual genetic makeup of an organism for a particular trait is called the ______. The physical characteristic that trait gives the organisms is called the ______. (1 point) genotype; phenotype genome...
Friday, January 25, 2013 at 1:46am

physical
An asteroid in an elliptical orbit about the sun travels at 3.9 106 m/s at perihelion (the point of closest approach) at a distance of 3.7 108 km from the sun. How fast is it traveling at aphelion (the most distant point), which is 8.6 108 km from the sun?
Thursday, January 24, 2013 at 10:36pm

phy
Tinny insects such as mosquitoes can seat on the surface of water. Which physical principle makes this possible?
Thursday, January 24, 2013 at 10:09pm

math
is eating an apple a physical change?
Thursday, January 24, 2013 at 6:55pm

math
is eating an apple a physical change?
Thursday, January 24, 2013 at 6:48pm

math
is eating an apple a physical change
Thursday, January 24, 2013 at 6:33pm

History
Are these right? What approach did European settlers in America often take toward their physical enviroment? ---Mostly the eviroment was something to exploit, trees became lumber, land became developed land. What was the goal of the erie canal project? ---To connect the great ...
Wednesday, January 23, 2013 at 2:50pm

Physical Science 8th grade
How does metallic bonding contribute to Luster, Heat conductivity, Ductability, and malleability?
Tuesday, January 22, 2013 at 9:21pm

math
What vocabulary term causes iron to rust (Evaporation, condensation, chemical change or physical change)?
Tuesday, January 22, 2013 at 7:37pm

Intro to Physical Science
A 3-kg stone is dropped from height of 100 m. Find its kinetic and potential energies when it is halfway to the ground.
Tuesday, January 22, 2013 at 4:07pm

physical
A wheel has radius of 0.25 m rotating at 2.08 rad/s. What is the tangential speed of a particle at its edge
Tuesday, January 22, 2013 at 2:30pm

physical sciences
two forces of 5n and 7n respectively act on an object. What will the resultant of the two vectors be at maximum??
Tuesday, January 22, 2013 at 2:32am

Physical Science
The distance from earth to the sun is 1.5x10 to the 11th power minutes and light travels at a speed of 3.0x10 to the 8th power m/s. How long does it take sunlight to reach the earth? Give answer in minutes and seconds.
Monday, January 21, 2013 at 9:26pm

physical education
what is a literature review?
Saturday, January 19, 2013 at 7:36pm

physical science
If you dissolve 25.0g og sugar in 150cubic cm of water, what is the concentration in g/cm3 g/10cm3 g/10cm3
Saturday, January 19, 2013 at 3:47pm

Stadistics
Select the most appropriate study design for each of the following questions. (Note: All study design options may not be used and each design option can be used more than once. 1. A study is done to examine the association between a mother’s education and risk of a ...
Saturday, January 19, 2013 at 10:29am

Microbiology
Discuss some of the physical and chemical factors involved in the composition, and in the preparation, of a culture medium. Nutrient ingredients: ___________________________________________________________ ___________ pH and buffering: ...
Friday, January 18, 2013 at 9:40pm

BUSINESS
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 ...
Friday, January 18, 2013 at 12:49am

Please help -biology
why does water and hydrogen peroxide have different chemical and physical properties
Thursday, January 17, 2013 at 7:37pm

Biology
why does water and hydrogen peroxide have different chemical and physical properties
Thursday, January 17, 2013 at 7:34pm

Biology
why does water and hydrogen peroxide have different chemical and physical properties
Thursday, January 17, 2013 at 7:12pm

physical science(chemistry)
Why can chemical methods not be used to determine the reaction rate at different stages of the reaction?
Thursday, January 17, 2013 at 3:14pm

physical sciences (motion in two dimensions)
John stand at the top of a 30m building. He throws a stone upwards with a speed of 5m/s. Calculate. (1)how long the stone is in the air. (2)the maxi mum height the stone reaches the ground?
Thursday, January 17, 2013 at 2:14pm

PHYSICAL SCIENCE
TWO FORCES OF 5N AND 7N RESPECTIVELY ACT ON AN OBJECT.WHEN WILL THE RESULTANT OF THE TWO VECTORS BE AT A MAXIMUM?
Thursday, January 17, 2013 at 12:14pm

Physical sciences
What is the solvent of a cup of tea in homogeneous
Thursday, January 17, 2013 at 12:10pm

Chemistry
What are the physical propertise of Air
Thursday, January 17, 2013 at 8:38am

7th grade science ASAP
1. How many chromosomes do human sex cells have? (1 point) 22 43 46 23 2. The actual genetic makeup of an organism for a particular trait is called the ______. The physical characteristic that trait gives the organisms is called the ______. (1 point) genotype; phenotype genome...
Wednesday, January 16, 2013 at 8:55pm

7th grade science
1. How many chromosomes do human sex cells have? (1 point) 22 43 46 23 2. The actual genetic makeup of an organism for a particular trait is called the ______. The physical characteristic that trait gives the organisms is called the ______. (1 point) genotype; phenotype genome...
Wednesday, January 16, 2013 at 8:21pm

7th grade science ms sue please
1. How many chromosomes do human sex cells have? (1 point) 22 43 46 23 2. The actual genetic makeup of an organism for a particular trait is called the ______. The physical characteristic that trait gives the organisms is called the ______. (1 point) genotype; phenotype genome...
Wednesday, January 16, 2013 at 8:17pm

6th grade s.s forgot textbook in locker!!!!
Need help immediatly!!! If someone already posted please still post! And I'm not doing this becuze I'm lazy but becuze I forgot my textbook in my locker and there's nothing on the internet to help!!! TOPIC: NORTHERN EUROPE 1.What river makes london a center for ...
Wednesday, January 16, 2013 at 6:44pm

health
1. Which is an emotion that people often use to protect themselves? (1 point) Happiness Sadness Anger Grief 2. Which statement is NOT true? (1 point) Some people do not have stress Stress is normal and can be positive or negative Over a long period of time, stress can harm ...
Wednesday, January 16, 2013 at 6:17pm

statistics
Select the most appropriate study design for each of the following questions. (Note: All study design options may not be used and each design option can be used more than once. 1. A study is done to examine the association between a mother’s education and risk of a ...
Tuesday, January 15, 2013 at 1:46am

Pre-AP physical science
What is the best way to set-up my science fair project that is 40% of my 2nd semester grade and credits ?? A little lost
Monday, January 14, 2013 at 6:24pm

PHYSICAL
A SIMPLE MACHINE PRODUCE 25 JOULES, WHAT IS THE OUTPUT WORK FOR EVERY 50 JOULES OF INPUT WORK. WHAT IS THE EFFICIENCY OF THIS MACHINE?
Sunday, January 13, 2013 at 5:26pm

Python Programming
We have created a set of data values that sample a function y(x). The sample points are stored in two arrays: xVals and yVals. These represent measurements of a physical process that is subject to noise so that if a is the i'th entry of xVals (i.e. a = xVals[i]) then ...
Sunday, January 13, 2013 at 2:50am

med. terminology
i am having some trouble, i have found some of the mistake but seem like i cant finf the rest: CHIEF COMPLAINT: This 53-year-old man visited the outpatient clinic for dyspnea and recurrent coughing. HISTORY OF PRESENT ILLNESS: This patient has a long history of Chronic ...
Saturday, January 12, 2013 at 11:59pm

7th grade health please
1. The process of talking directly to the other person to resolve a conflict (1 point) conflict negotiation assault compromise 2. Forced sexual intercourse (1 point) gang assault rape neglect 3. A disagreement between people with opposing viewpoints, interests, or needs (1 ...
Friday, January 11, 2013 at 7:15pm

Physical Science
1. The most diffuse elements have the largest atomic weight. -False? 2. A quantum is a small energy unit. -False? 3. Light travels in a continuous wave. -True?
Friday, January 11, 2013 at 3:55pm

physical science
determine the velocity of the ball when it is 8m above the thrower's hand
Friday, January 11, 2013 at 2:11am

Medical billing and coding
In what model of the integrated delivery system do physicians keep their own offices but share administrative and management services with other managed care organizations? A)group practice without walls B)physical hospital organization C)management service organization D)...
Thursday, January 10, 2013 at 8:54pm

Social studies
What are physical traits of a region???
Wednesday, January 9, 2013 at 9:46pm

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