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April 25, 2014

Homework Help: Health: Physical Fitness

Recent Homework Questions About Physical Fitness

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physical science
you do 16,000 j of work on a 45 kg box intitally going 11.8 m/s. How fast is it going now?
Monday, May 20, 2013 at 7:56pm

Psychology
When physical energy has resulted in a response in a sense organ, it is clear that: A. perception has taken place. B. the activation is the result of stimulus. C. the brain has interpreted the event. D. a single isolated sense is now perceiving the event.
Monday, May 20, 2013 at 4:09pm

TEACHER AIDE,CHILDREN, FAMILIES, SOCIETE
1. Larry is a very aggressive four-year-old child. He watches many television programs that contain violence. It’s most likely that A. he will become overactive. C. his behavior won’t change. B. he will become depressed. D. his behavior will become more aggressive. 2...
Saturday, May 18, 2013 at 5:00pm

Introduction of Psychology
When physical energy has resulted in a response in asense organ, it is clear that:
Saturday, May 18, 2013 at 10:38am

World History
1. The purpose of American and European imperialism in the Pacific was mainly to gain. A. markets fro manufactured products B. coaling stations and naval bases C. sources of raw materials D. places for surplus population I said C. 2. The development of antiseptics during the ...
Friday, May 17, 2013 at 3:39pm

physical science
how many kilojoules of heat must be transferred to a 480-g aluminum pizza pan to raise its temperature from 22c to 234c
Thursday, May 16, 2013 at 1:49pm

geometry!!!! PLEASE HELP!!!!
There are 300 students at a local high school. On "All Students Exercise Day", Sam, the Physical Education instructor, wants them to line up in a perfect rectangular formation (same number of students in each row). However, there must be more than 1 student in each ...
Thursday, May 16, 2013 at 11:01am

Justice system
Detectives more typically focus their energies on homicide and rape cases, as opposed to burglary and robbery cases, because: A. there is political pressure to do so. B. the victims can more often provide clues that make the cases easier to solve. C. insurance companies can ...
Tuesday, May 14, 2013 at 4:02pm

physical science
If the mass of a plane is 2,500 kg and the net force on it is 14,000 N, what is the plane's acceleration?
Tuesday, May 14, 2013 at 10:35am

Physical Education
(a) Calculate the average blood velocity in the major arties given that the aorta has a radius of 1.0 cm, the blood velocity is 30 cm/s in the aorta, and the total cross-sectional area of the major arties is 20 cm2 (b) What is the total flow rate? (c) On the assumption that ...
Monday, May 13, 2013 at 10:29pm

Physical Science
Blood is pumped from the heart at a rate of 5L/min into the aorta of radius 2.0cm. Assuming that the density of blood 1x103 kg/m3 .Determine the velocity of blood through the aorta
Monday, May 13, 2013 at 3:41pm

Physical Science
A dentist’s chair with a patient in it weight 2100N. The output plunger of a hydraulic system begins to lift the chair, when the dentist’s foot applies of 55N to the input piston. Neglect any height difference between the plunder and the piston. What is the ratio of ...
Monday, May 13, 2013 at 2:25pm

Physical Science
- What is the kinetic energy ,KE, per unit volume V of blood that has a speed of 0.5 m/s. Take density ofĉblood = 1.0x103kg/m3
Monday, May 13, 2013 at 12:27pm

Physical Education
Suppose that blood flows through the aorta with a speed of 0.35 m/s. The cross-sectional area of the aorta is 2.0x10-4 m2. (a) Find the volume flow rate of the blood (b) The aorta branches into tens of thousands of capillaries whose total cross-sectional area is about 0.28 m2...
Monday, May 13, 2013 at 9:56am

Physical Education
A solid object floats on ethyl alcohol, with 68.2%of the object’s volume submerged .Find the density of the object. Take density of alcohol =806 kg/m
Monday, May 13, 2013 at 9:12am

physical chemistry
The system N2O4 <--->2NO2 maintained in a closed vessel at 60º C & a pressure of 5 atm has an average (i.e. observed) molecular weight of 69, calculate Kp. At what pressure at the same temperature would the observed molecular weight be (230/3)
Sunday, May 12, 2013 at 11:41am

physical science
How to unscramble this word isarntucio
Saturday, May 11, 2013 at 11:58pm

physical
A solid cylinder has a radius of 0.051 m and a height of 0.0030. The cylinder is composed of two different materials with mass densites of 1950 kg/m3. If each of the two materials occupies an equal volume, what is the mass of the cylinder?
Friday, May 10, 2013 at 10:03am

Psychology
When physical energy has resulted in a response in a sense organ, it is clear that: (Points: 5) perception has taken place. the activation is the result of stimulus. the brain has interpreted the event. a single isolated sense is now perceiving the event. I believe it is the ...
Friday, May 10, 2013 at 9:37am

LIFE ORIENTATION
LACK OF PHYSICAL FITNESS AND PROPER NUTRITION IN ADOLESCENT.DESCRIBE THE LIFESTYLE DISEASE.MENTION 5 FACTORS THAT CONTRIBUTE TO THE DISEASE.
Thursday, May 9, 2013 at 5:05am

physical scinsce
A cannon that is 10m long is designed to launch a 10kg ball over a castle wall. In order to do this the ball must have a speed of at least 50m/s as it exits the cannon. For every 10kg of explosives used, the force on the ball in the cannon increases by 1000N. How many kg of ...
Thursday, May 9, 2013 at 1:26am

Psychology
When physical energy has resulted in a response in a sense organ, it is clear that: (Points: 5) perception has taken place. the activation is the result of stimulus. the brain has interpreted the event. a single isolated sense is now perceiving the event. I believe it is the ...
Wednesday, May 8, 2013 at 10:59pm

life orientation
describe the lack of physical fitness and 5 factors that contribute to the disease?
Wednesday, May 8, 2013 at 5:40pm

physical science
if the maximum amount of water vapor in the air at 15 degrees c is 12.5 g/m^3, what is the actual amount of water vapor in the air if the relative humidity is 85.0%
Wednesday, May 8, 2013 at 9:39am

Science
Please check my answers (at the bottom) with these questions. 1. An apple quickly changes color when exposed to air. This demonstrates a ________. (1 point) physical property chemical property physical change all of the above 2. When a chunk of dry ice is at room temperature, ...
Tuesday, May 7, 2013 at 12:22pm

Health
WITH STARS IS MY ANSWER! (*) 1) A drug created by a chemical reaction in some foods, especially fruits and grains A= neurons B= cirrhosis C= alcohol ****** D= depressant 2) Being drunk A= intoxicated ****** B= withdrawal C= alcohol D= minor 3) Cells that make up the nervous ...
Monday, May 6, 2013 at 9:22pm

Physical Science
1. What is molarity of products? I can't decide if it's a. The concentration of the reactants measured in mol/L of solution or b. The concentration of the products measured in mol/L of solution 4. How does pressure relate to reaction rates? I'm stuck between a. ...
Monday, May 6, 2013 at 7:28pm

Chemistry
For the following battery: Cd(s) | CdCl2(aq) || Cl–(aq) | Cl2(l) | C(s) (a) Write the reduction half-reaction occuring at the C(s) electrode. (Include physical states of reactants and products.) C(s) electrode:? (c) Calculate the mass of Cl2 consumed if the battery ...
Monday, May 6, 2013 at 5:48pm

Physical Science
1. What is molarity of products? I can't decide if it's a. The concentration of the reactants measured in mol/L of solution or b. The concentration of the products measured in mol/L of solution 4. How does pressure relate to reaction rates? I'm stuck between a. ...
Monday, May 6, 2013 at 12:35pm

Physical Science
if a blue object is placed in front of the screen, what color will it be? explain the answer.
Sunday, May 5, 2013 at 1:51pm

Physical Science
A car of mass 900 kg moves at 10 m/s. What is the braking required to stop the car in a time of 5 seconds
Sunday, May 5, 2013 at 1:34pm

physical aspects
A 600 lb. oak packing crate is sitting on a cross grained, 14 ft long, oak ramp. The force of the box against the ramp is 520 lbs, and the downhill force on the box is 300 lbs. Will the box slide down the hill all by itself? Give the box a nudge, will it stop? If the box will ...
Sunday, May 5, 2013 at 8:21am

Physical Science
10. The more compact a metal is, the less brittle it becomes. -True? I'm confused about this one because of what the textbook says: "the more compact the atoms become, the harder the metal becomes. While the compactness makes the metal hard, a fracture on any boundary...
Thursday, May 2, 2013 at 8:24pm

Physical Science
10. The more compact a metal is, the less brittle it becomes. -True? I'm confused about this one because of what the textbook says: "the more compact the atoms become, the harder the metal becomes. While the compactness makes the metal hard, a fracture on any boundary...
Thursday, May 2, 2013 at 11:26am

Physical Science
6. In order to turn 2 iron atoms into rust, 2 water molecules must be present. -False?
Thursday, May 2, 2013 at 7:07am

physical science
A nail is driven into a board to a depth of 1.00 cm with one strike from the hammer. The hammer striking the nail hit it with a force of 200.00 Newtons. How much work was done?
Wednesday, May 1, 2013 at 6:29pm

life oreination
5 factors that contribute to a lack of physical fitness and proper nutrition in the adolescent
Wednesday, May 1, 2013 at 9:53am

Speech
Please rephrase the following sentences into a more simple manner. I need to give a presentation and i would like to write this out simpler. Thank you guys Research of soil erosion is difficult for several reasons, but particularly because soil erosion is an intermittent ...
Wednesday, May 1, 2013 at 6:16am

physical science
If a sample emits 1000 counts per second when the detector is 1 meter from the sample, how many counts per second would be observed when the detector is 2 meters from the sample?
Monday, April 29, 2013 at 4:35pm

LANGUAGE ARTS UGRENT!!!
1. What's the fastest way to find out how many individual letters are quoted in the article? A: Count the number of photos in the article. B: Read the article. C: Count the heads and subtract the first head. D: Count the number of footnotes. 2. Where should you insert a ...
Monday, April 29, 2013 at 2:20pm

life orientation
Descrise the Factors that contribute to lack of physical fitness and proper nutrition in the adolescent
Monday, April 29, 2013 at 1:58pm

physical science
define earth station
Monday, April 29, 2013 at 11:46am

History
Well I have been working on an essay for a couple days now about slavery, here it is: Slavery began in the 16th century, but ended in the 19th century. Slaves went through a lot of torture then, but some blacks now still deal with some of the problems the slaves had back then...
Sunday, April 28, 2013 at 4:31pm

Physical Science
Four balls are taken to the top of a building. Ball 1 is dropped (zero initial velocity). Ball 2 is thrown straight up with a velocity of 3 m/s. Ball 3 is thrown straight out with a horizontal velocity of 3 m/s. Ball 4 is thrown straight down with a velocity of 3 m/s. Which ...
Sunday, April 28, 2013 at 1:36pm

Physical Education
Is a drug a food?
Sunday, April 28, 2013 at 10:54am

physical sciences
plan,design and conduct an investigation to find out wether the amount of heat produced will depend on an increase on the concentration of HCL when HCL reacts with an excess Zn
Sunday, April 28, 2013 at 5:17am

physical science
The shape of water molecule is (A)tetrahedral (B)linear (C)angular (D)trigonal planar
Sunday, April 28, 2013 at 3:23am

Physical Science
A park ranger wants to shoot a monkey hanging from a branch of a tree with a tranquilizing dart. The ranger aims directly at the monkey, not realizing that the dart will follow a parabolic path and thus will fall below the monkey. The monkey, however, sees the dart leave the ...
Saturday, April 27, 2013 at 3:26pm

life orientation
Provise five or more ways in which you critically discuss how lack of physical fitness and proper nutrition impacts on a teenager?
Saturday, April 27, 2013 at 12:55pm

English
To avoid speaking in monotone, a strategy to use can include: A. changing pitch and tone of voice. B. voice inflection. C. varying rate and pace of speaking. D. All of the above i'm confused betwen A & D 2. Which nonverbal consideration creates immediate impressions among ...
Friday, April 26, 2013 at 1:02pm

physics for physical science
(a)what is the magnitude of the gravitational force of the earth on a surveillance satellite of mass 1040kg that is in a grazing circular orbit 100 km above the surface of the earth. (b)find the magnitude of the acceleration of the satellite in such a grazing orbit. (c)...
Friday, April 26, 2013 at 11:27am

physics for physical science
a bullet of mass 0.015kg strikes ballistic pendulum of mass 2.0kg .the center of mass of the pendulum rises a vertical distance of 0.12m.assuming that the bullet remains embedded in the pendulum, calculate the bullet's initial speed.
Friday, April 26, 2013 at 10:56am

physical science
plan,design and condact an investigation to find out whether the amount of heat produced will depend on an increase on the concentration of HCl when HCl reacts with an excess Zn.
Thursday, April 25, 2013 at 5:08pm

7th Grade Language- Arts Ms.Sue~!
3. Where should you insert a colon in this sentence? Interview the following people Dave, Barb, Jose, and Mary Ann. (1 point) after following after people after Jose nowhere 4. Which sentence does not include an abbreviation? (1 point) The movie starts at 12:45 p.m. Dr. Ross ...
Wednesday, April 24, 2013 at 7:49pm

Physical science
A ball is thrown up at 8m.s from the roof which is 60m high.it strikes the balcony below after 4s.the ball then bounces off the balcony and strikes the ground.ignore the effects of friction.calculate magnitude of the velocity at which the ball strike the balcony?
Wednesday, April 24, 2013 at 4:08pm

7th Grade Health Ms. Sue
1. The body's functions are slowed when alcohol reaches where? (1 point) The stomach The heart The liver The brain 2. Which statement is NOT true? (1 point) Regular use of alcohol can lead to addiction. Alcoholism can be cured. Someone cannot cause someone else to drink. ...
Wednesday, April 24, 2013 at 2:09pm

Science/DUE TODAY
please help!!! quick!!! How is a polar bear adapted to living in a desert? (behavioural and physical)!!! write something that is a good answer and that i can understand.
Tuesday, April 23, 2013 at 2:28am

Health
What physical changes do individuals encounter at the first stage of stress (alarm)?
Monday, April 22, 2013 at 7:22pm

Physical Science
When will an object float on a fluid's surface? My answer: An object will float on a fluid's surface if only the object is less dense than the fluid?
Sunday, April 21, 2013 at 7:10pm

Physical science
To investigate whether the amount of heat produced will depend on an increase on the concentration of HCL when HCL reacts with an excess Zn
Saturday, April 20, 2013 at 8:38am

Please help me
Suppose a customer brings a gold bracelet to a jeweler and asks for it to be changed into a gold ring. Which of the following is true? (1 point) The physical property of color will be changed. The bracelet will go through a chemical change. The composition of the bracelet will...
Friday, April 19, 2013 at 6:49pm

SIcene
Three examples of physical change are ____. (1 point) boiling water, a nail rusting, and a melting candle a pond freezing, breaking glass, and a burning candle melting ice, mowing the lawn, and carving a statue applying lipstick, making lemonade, and baking bread
Friday, April 19, 2013 at 6:48pm

physical
During July 1995 the comet Shemaker-Levy 9 smashed into Jupiter in a spectacular fashion. The comet actually consisted of 21 distinct pieces, teh largest of which had a mass of about 4x1012 kg and a speed of 6x104 m/s. Jupiter, the largest planet in the solar system , has a ...
Thursday, April 18, 2013 at 11:38pm

physical education
why are all the pe teachers the ones that need to be the one in physical education so they could lose weight because they are the ones that are always fat and out of shape
Thursday, April 18, 2013 at 1:09pm

Physical Science
When will an object float on a fluid's surface?
Wednesday, April 17, 2013 at 8:08pm

Physical Science
Why does pressure change with elevation and depth?
Wednesday, April 17, 2013 at 8:05pm

HEALTH
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 rigorous the steps need to be each day to reach your goal B. First calculate how many steps are needed weekly and then match it ...
Wednesday, April 17, 2013 at 3:54pm

Physical Science
Why does pressure change with elevation and depth?
Wednesday, April 17, 2013 at 3:33pm

Science
1. Density is the relationship between ____. (1 point) mass and volume cubic centimeters and pounds weight and volume grams and mass 2. Which of the following is NOT a possible sign of a chemical change? (1 point) a change in state a change in color the release of a gas the ...
Tuesday, April 16, 2013 at 12:50pm

child development
Johnny is a 5-year-old kindergarten student starting school for the first time. What changes do you expect to see Johnny go through in the course of his first year of school? Be specific in your response, addressing changes in his physical, emotional, and cognitive domains. ...
Tuesday, April 16, 2013 at 10:37am

BIO
3. Fish have a two chambered heart called a single loop. discuss the benefits and drawbacks of this system. 4. Amphibians have a three chambered heart. Discuss the importance of the extra chamber in terms of the obvious physical differences that amphibians like frogs have from...
Sunday, April 14, 2013 at 10:26pm

Biology
Amphibians have a three chambered heart. Discuss the importance of the extra chamber in terms of the obvious physical differences that amphibians like frogs have from fish.
Sunday, April 14, 2013 at 4:13pm

Life orientation
Ways in which the lack of physical fitness and proper nutrition impacts ön teens
Sunday, April 14, 2013 at 12:26pm

Life orientation
What are the 5 factors contributing to the lack of physical fitness and proper nutrition in the adolescents
Sunday, April 14, 2013 at 12:20pm

English
1. All three poems use sensory details in order to (1 point) celebrate team play. remind athletes of their role in inspiring society. show the beauty of mental concentration and physical prowess. 2. The word antagonize, often used in sports, means "to provoke hostility.&...
Saturday, April 13, 2013 at 4:43pm

Alan
Mark below all of the statments that correctly describe the physical properties of glass. Glasses do not have slip systems. Glasses consist of both covalent and ionic bonding. Glasses are brittle at room temperature. Glasses are amorphous and have no long range symmetry. The ...
Saturday, April 13, 2013 at 3:56pm

physical chemistry
1000 ml of oxygen at ntp passed through siemens ozoniser when the resulting volume was 888 ml at ntp .quantity of ozonised oxygen is passed through excess of potassium iodide solution calculate weight of iodine liberated?
Saturday, April 13, 2013 at 7:13am

chemistry
Please mark below all of the statments that correctly describe the physical properties of glass. Glasses do not have slip systems. Glasses consist of both covalent and ionic bonding. Glasses are brittle at room temperature. Glasses are amorphous and have no long range symmetry...
Saturday, April 13, 2013 at 5:48am

SCIENCE ASAP please
1. Density is the relationship between ____. (1 point) mass and volume cubic centimeters and pounds weight and volume grams and mass 2. Which of the following is NOT a possible sign of a chemical change? (1 point) a change in state a change in color the release of a gas the ...
Friday, April 12, 2013 at 9:07pm

chemistry
Please mark below all of the statments that correctly describe the physical properties of glass. Glasses do not have slip systems.Glasses consist of both covalent and ionic bonding.Glasses are brittle at room temperature.Glasses are amorphous and have no long range symmetry....
Friday, April 12, 2013 at 7:32pm

child daycare
1. A _______-centered program is most helpful to the children served. A. family B. child C. school D. parent 2. The vision and goals of an afterschool program should be translated into a A. preprietorship. B. parent letter. C. newsletter. D. mission statement. 3. Which of the ...
Friday, April 12, 2013 at 2:18pm

physical geography
given the temperature of 27 degrees celsius on a climograph was is the averge monthly prepicipation 24.4 cm
Friday, April 12, 2013 at 12:25pm

physical science
How much energy is stored in a 9V battery rated at 10 A hour?
Friday, April 12, 2013 at 12:47am

Physical Science
How does gravity help keep satellites in orbit?
Thursday, April 11, 2013 at 9:03pm

Chemistry
1. Which of the following compounds is an unsaturated hydrocarbon? methane *propyne nonane methyl 2. The general name for hydrocarbons with at least one triple covalent bond is ____. alkenes alkyls alkanes *alkynes 3. What is the name of the smallest alkyne? butyne *ethyne ...
Thursday, April 11, 2013 at 2:04pm

physical science
What is the density of a suitcase that has a mass of 25 g and a volume of 13 cm3? Formula: Density = Mass/Volume
Thursday, April 11, 2013 at 1:19pm

Chemistry: Please check answers
1. Which of the following compounds is an unsaturated hydrocarbon? methane *propyne nonane methyl 2. The general name for hydrocarbons with at least one triple covalent bond is ____. alkenes alkyls alkanes *alkynes 3. What is the name of the smallest alkyne? butyne *ethyne ...
Thursday, April 11, 2013 at 1:16pm

physics
Your written homework will be graded entirely on the clarity and completeness of your derivation. No credit will be awarded for a final answer without a derivation. As usual, simplify your final answers as much as possible. A giant Pez dispenser of mass m rests on a ladder of ...
Thursday, April 11, 2013 at 12:01pm

Chemisry
Please mark below all of the statments that correctly describe the physical properties of glass: 1.Glasses do not have slip systems. 2.Glasses consist of both covalent and ionic bonding. 3.Glasses are brittle at room temperature. 4.Glasses are amorphous and have no long range ...
Wednesday, April 10, 2013 at 10:02am

chemistry
Please mark below all of the statments that correctly describe the physical properties of glass. a)Glasses do not have slip systems. b)Glasses consist of both covalent and ionic bonding. c)Glasses are brittle at room temperature. d)Glasses are amorphous and have no long range ...
Wednesday, April 10, 2013 at 8:37am

Child day care management
1. At what age does exercise begin to result in strength in boys and girls? A. Between ages one and two B. Between ages three and four C. Between ages five and six D. Between ages six and seven 2. Athlete’s foot is an infection caused by A. dirt. C. allergic reaction. B...
Wednesday, April 10, 2013 at 8:36am

LIVING A HEALTHY LIFE
1. At what age does exercise begin to result in strength in boys and girls? A. Between ages one and two B. Between ages three and four C. Between ages five and six D. Between ages six and seven 2. Athlete’s foot is an infection caused by A. dirt. C. allergic reaction. B. ...
Wednesday, April 10, 2013 at 3:47am

Science ASAP please
1. Which of the following is an example of density? (1 point) ice floating on top of a river convection currents that cause wind oil spill cleanup all of the above 2. What type of property is density? (1 point) chemical property size-independent physical property all of the ...
Tuesday, April 9, 2013 at 8:05pm

Social Studies
1.What is a savanna? A savanna is a tropical or subtropical woodland ecosystem 2.What would you expect to find if you visited a savanna in Africa? Animals,grass,trees,plants 3.Why do you think so many animals live on a savanna? There's more grass and water and a place to ...
Tuesday, April 9, 2013 at 5:43pm

Physical geography
what is the fractional scale of oregon? and how do you figure it out. Thanks
Tuesday, April 9, 2013 at 2:57pm

Physical science
According to the law of the conservatives of mass, if the products o a reaction have a mass of 64.0 g, then the total mass of the reactants:
Monday, April 8, 2013 at 8:43pm

physical science
The orbital velocity of an earth satellite in an orbit 400 mi above the earth?
Monday, April 8, 2013 at 4:59pm

physical science chemistry
calculate the mass of sodium nitrate needed to make 550 ml of solution of concentration 0;2 mol.dmc to the power of minus 3
Monday, April 8, 2013 at 4:29pm

World Geography
1.The physical feature of Western Europe where most major cities are found is called A. the plains. B. the glacier.<<<<<<< C. the tundra. D. the taiga 2.The Magna Carta was the first step toward England’s ______________. A. large cities B. war with ...
Monday, April 8, 2013 at 11:52am

physical
STATE 4 facts and fallacies abt the effect of sports participation on women reproduction
Monday, April 8, 2013 at 5:51am

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