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October 25, 2014

Homework Help: Health: Physical Fitness

Recent Homework Questions About Physical Fitness

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Science
What is the difference between the layers of the earth by physical properties and chemical composition
Thursday, October 17, 2013 at 5:22pm

Physical Science
5. What reactions occurs when a solution of hydrochloric acid, HCl, is mixed with a solution of calcium hydroxide, Ca(OH)2? (A) Cl + Ca(OH) --> HCa + Cl(OH)2 (B) HCl + Ca(OH)2 --> H(OH)2 + CaCl (C) 2HCl + Ca(OH)2 --> 2H2O + CaCl2 (D) 2HCl + Ca(OH)2 --> H2Ca + 2ClOH...
Wednesday, October 16, 2013 at 8:49pm

Accounting
The following unadjusted trial balance is prepared at fiscal year-end for Nelson Company. NELSON COMPANY Unadjusted Trial Balance January 31, 2013 Debit Credit Cash $ 26,150 Merchandise inventory 14,500 Store supplies 5,000 Prepaid insurance 2,100 Store equipment 42,800 ...
Wednesday, October 16, 2013 at 5:51pm

physical science
which graph represents what happens to the pressure in a tire as air is added to the tire?
Tuesday, October 15, 2013 at 8:01pm

Physical Science
An astronaut in a spacesuit has a mass of 100 kilograms. What is the weight of this astronaut on the surface of the Moon where the strength of gravity is approximately 1/6 that of Earth?
Tuesday, October 15, 2013 at 7:58pm

Physical Science
If the strength of gravity is 9.8 newtons per kilogram, that means: a. each newton of force equals 9.8 pounds. b. each pound of force equals 9.8 newtons. c. each newton of mass weighs 9.8 kilograms d. each kilogram of mass weighs 9.8 newtons
Tuesday, October 15, 2013 at 7:55pm

psychology
lesson 15 psychology question james has just lost his wife of 35 years to breast cancer. studies have shown that he will be at high risk for physical ailments, illness, and possibly death for the next :
Tuesday, October 15, 2013 at 5:24pm

Physical Science
24. What happens when a solution of nitric acid (HNO3) is added to a solution of potassium hydroxide (KOH)? What are the products? 25. Which of the following compounds can react with H2SO4 to form a salt: NaCl, Ca(OH)2, HF, AlCl3, H2O, Mg(OH)2? Name the salt(s) that would form...
Tuesday, October 15, 2013 at 1:36pm

physics
An amusement park ride consists of a large vertical cylinder that spins about its axis fast enough that a person inside is stuck to the wall and does not slide down when the floor drops away. The acceleration of gravity is 9.8 m/s2 .Given g = 9.8 m/s2, the coefficient μ...
Monday, October 14, 2013 at 12:26am

physical science
How would you know if a model is a good model?
Sunday, October 13, 2013 at 10:21pm

physical
Two mountain climbers are working their way up a glacier when one falls into a crevasse. The icy slope can be considered frictionless. Sue's weight is pulling Paul up the 45* slope. If Sue's mass is 66kg and if she falls 2m in 10s starting from rest, find the tension ...
Sunday, October 13, 2013 at 10:18pm

physical
A bicycle and its rider together has a mass of 95 kg. What power output of the rider is required to maintain a constant speed of 4.8 m/s (about 10.7 mph) up a 5.0% grade (a road that rises 5.0 m for every 100 m along the pavement)? Assume that frictional losses of energy are ...
Saturday, October 12, 2013 at 11:12pm

Physical Science
The Earth moves in a nearly perfect circle around the Sun. Assume the speed stays constant. Is the Earth accelerating or not?
Saturday, October 12, 2013 at 10:46pm

Physical Science
You are running a race and you speed up from 3 m/s to 5 m/s in 4 seconds. a. What is your change in speed? b. What is your acceleration?
Saturday, October 12, 2013 at 10:16pm

Physical Science
Suppose you are moving left (negative) with a velocity of -10 m/s? What happens to your speed if you have a negative acceleration? Do you speed up or slow down?
Saturday, October 12, 2013 at 10:14pm

Physical Science
C(s) + H2O(g) + Heat <--> CO(g) + H2(g) 17. How would you adjust the temperature to increase the amount of product? 18. Does the removal of hydrogen gas as it is produced shift the reaction to the left or the right? My last two questions on my homework that I just can&#...
Friday, October 11, 2013 at 11:10pm

Physical Science
Which of the following is a single replacement? a. KOH + HCl --> KCl + H2O b. 2Na + 2H2O --> H2 + 2NaOH c. 2C2H6 + 7O2 --> 4CO2 + 6H2O d. H2O + CO2 --> H2CO3 Any help would be appreciated, thank you in advance!
Friday, October 11, 2013 at 7:11pm

pure maths, life science, physical science, geogra
what can you study with those subjects
Thursday, October 10, 2013 at 1:21am

Physical science
A rock is dropped from a height of 60 m and is in free fall. What is the velocity of the rock as it reaches the ground 3.5 seconds later?
Tuesday, October 8, 2013 at 9:47am

Science
1) Which of the following is true about mixtures?(1point) Mixtures consist of two or more sub stances chemical combined. Mixtures cannot be separated by physical means. Mixtures consist of only one kind of atom. Mixtures have two or more substances mixed together, but are not ...
Monday, October 7, 2013 at 12:22pm

poetry (Pioneer by Dorothy Livesay)
I have to answer the questions according to this poem, I have answered them but just want someone to look over them to see if they are right. The last one I had trouble with and need help on that one too. The answer that I think it is I have put arrows on them. Help would be ...
Monday, October 7, 2013 at 11:54am

8th Grade Science on "Mixtures"
1) Which of the following is true about mixtures?(1point) Mixtures consist of two or more sub stances chemical combined. Mixtures cannot be separated by physical means. Mixtures consist of only one kind of atom. Mixtures have two or more substances mixed together, but are not ...
Monday, October 7, 2013 at 11:43am

physical science
A 12-kg iron ball is dropped onto a pavement from a height of 90m. Suppose half of the heat generated goes into warming the ball. What is the temperature increase of the ball in degree C
Sunday, October 6, 2013 at 9:21pm

physical science
when an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 3000 j. by how much does the potential energy of an 22.0 kg child increase when the child climbs a normal staircase to the second floor?
Saturday, October 5, 2013 at 4:26am

physical sciebce
when an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 3000 j. by how much does the potential energy of an 22.0 kg child increase when the child climbs a normal staircase to the second floor?
Saturday, October 5, 2013 at 4:09am

Statistics
1.The average number of acts of physical violence in a random sample of 150 TV movies was 4.5 acts with a standard deviation of 0.75. At the 95% confidence interval level, what is your estimation of the mean range of all movies shown in the television? Explain the result in ...
Friday, October 4, 2013 at 12:31pm

psychology
During periods of physical development, the __________ of a sensation is critical if perception is to function normally. A. experience B. interpretation C. expectation D. mass function
Thursday, October 3, 2013 at 11:49am

Science
1) Which of the following is an example of matter?(1point) Leaves*** Shadows Light from the sun Sound 2) Which of the following is an example of a chemical property of matter? Ability to melt Ability to freeze Ability to react*** Ability to break 3) The physical property that ...
Wednesday, October 2, 2013 at 10:37pm

science
heating a mixture of iron and sulfur is it chemical or physical
Wednesday, October 2, 2013 at 9:54pm

physical science
a 300 kg astronaut and equipment move with a velocity of 2.oom/s toward an orbiting spacecraft. How long must the astronaut fire a 100N rocket backpack to stop the motion relative to the spacecraft?
Wednesday, October 2, 2013 at 11:23am

physical education
draw a pole vault field
Wednesday, October 2, 2013 at 12:28am

8th Grade Physical Science
Calculate the density of a sample of gas with a mass of 30 g and volume of 7500 cm3.
Tuesday, October 1, 2013 at 11:59pm

physical science
if 96g so2 is added to 2 moles of oxygen at stp, what is the mass of so3 that is formed
Monday, September 30, 2013 at 11:25pm

physical science
calculate the mass and volume of oxygen released when 29;4g potassium chlorate decomposes to form potassium chloride and oxygen
Monday, September 30, 2013 at 11:21pm

physical science
calculate the number of moles of H2SO4 wich were added to the NaOH solution
Monday, September 30, 2013 at 10:30am

english
Summarize the main points of this reading.Possible points to reflect upon for your reflection paper and for workshop discussion are: 1)Ray has been diagnosed with Tourette’s Disorder, a neurological disorder which also appears in the DSM-5. How would you distinguish a ...
Monday, September 30, 2013 at 10:20am

Physical Conceptual Science
Trucks often have signs on the back that say, “If you can’t see my mirrors, I can’t see you.” Explain the physics.
Sunday, September 29, 2013 at 1:08am

Law
1. The law enforcement defense extends only to those people tasked with and legally authorized to enforce laws. This includes which of the following? A. City, state, and federal law enforcement B. All security guards C. Citizens on patrol with the legal right to carry a weapon...
Friday, September 27, 2013 at 3:42pm

english
Read “Witty Ticcy Ray” by Oliver Summarize the main points of this reading.Possible points to reflect upon for your reflection paper and for workshop discussion are: 1)Ray has been diagnosed with Tourette’s Disorder, a neurological disorder which also appears in...
Thursday, September 26, 2013 at 1:03pm

physical science
A person has a mass of 50.0 kg. what is the pressure they exert on the blades of their ice skates if each skate blade is 15.0 cm long and 5.00 mm wide?
Thursday, September 26, 2013 at 12:14pm

physical science
A man loads 1,000 sacks of flour into a truck in 30.0 minuets.Each sack has a mass of 20.0 kg and the man must lift each sack 1.00 m from a cart up onto the truck bed. How much power did the man develop ?
Wednesday, September 25, 2013 at 7:32pm

Customer Service
1. Which of the following is strategies my best ensure a positive relationship with supervisor? A. Answering any criticism concerning your job performance with a strongly worded defense B. Gathering answers to any questions you may have regarding your duties by the following ...
Wednesday, September 25, 2013 at 12:56pm

Physical Science
A 20,000 kg railroad car is traveling at 3 m/s when it collides and couples with a second, identical car at rest. What is the resulting speed of the combined cars?
Tuesday, September 24, 2013 at 1:45pm

Economics
A person is willing to pay $50 per visit for physical therapy, but she pays $35 per visit. This person receives a consumer surplus of $85 per visit.
Sunday, September 22, 2013 at 7:21pm

physical
Water flow along horizanta pipe at cross sectional area 48cm which has a constriction at cross sectional area 12cm at one place if the speed at the water at the constriction point is 4m/s calculate the speep at the wide section
Sunday, September 22, 2013 at 5:53pm

Physical Chemistry
Integrate the expression β = 1/V (δV / δT) at constant pressure, assuming that β is independent of temperature. By doing so, obtain an expression for V as a function of T and β at constant P.
Sunday, September 22, 2013 at 11:41am

social studies
What are the unique physical characteristics of the Atlantic Coastal plain Region?
Thursday, September 19, 2013 at 8:14pm

Geography
Which statements describe the geographic theme of regions? Select all that apply. Different types of regions have little or no effect upon each other. Climate regions are defined by their average temperature and their political system. Physical regions can be formed by ...
Thursday, September 19, 2013 at 3:43pm

Physical Science
Judy (mass 45.0 kg), standing on slippery ice, catches her leaping dog, Atti (mass 12kg), moving horizontally at 4.0 m/s. Use the conservation of momentum to find the speed of Judy and her dog after the catch.
Thursday, September 19, 2013 at 1:54pm

Introduction to Occupational Thearpy
1. What type of facility treats most of conditions and may offer outpatient occupational therapy services? A. federal institutions B. rehabilitation hospitals C. acute care hospital D. work hardening centers (My Answer is B) 2. Which of the following professions considers the ...
Thursday, September 19, 2013 at 10:21am

Math
There are 50% more girls than boys in Mr. Lee's physical classes. If 40% of the girls and 20% of the boys got an A on the last test, what percent of all the students got an A on the test?
Wednesday, September 18, 2013 at 9:34am

physical science
a sample gas occupies 1.00 x 10 to the 6th at 575 mm Hg. if the pressure is changed to 950 mm Hg, what will its volume be if the temperature remains the same?
Tuesday, September 17, 2013 at 6:31pm

Physical Science
a rocket moves through outer space at 11,000 m/s. At this rate, how much time would be required to travel the distance from Earth to the Moon, which is 381,000 km?
Sunday, September 15, 2013 at 11:52am

Physical Education
What are the components of fitness? Are aerobic and anaerobic fitness, types?
Sunday, September 15, 2013 at 10:46am

physical
in a water tank is filled wiyh 1026 lter of water,we want to mixed sodium nirtride by 17% of the water,how much we used sodiume nitride in kilogram in to the water?
Saturday, September 14, 2013 at 8:36am

physical mod
What mass (in grams) of steam at 100°C must be mixed with 462 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 40.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, and the latent ...
Friday, September 13, 2013 at 2:43am

Physical Science
2. Including a full-wave rectifier in an AC circuit will yield a(n) _______ current. A. continuous alternating B. continuous direct C. intermittent direct D. intermittent alternating
Thursday, September 12, 2013 at 1:07pm

Physical Science
2. Including a full-wave rectifier in an AC circuit will yield a(n) _______ current. A. continuous alternating B. continuous direct C. intermittent direct D. intermittent alternating
Thursday, September 12, 2013 at 1:01pm

Physical Science
a student is given a 10 gram sample of gold that has a density of 19.32g/cm3. The student is then given a 5 gram sample of an unknown substance and told the density of the unknown substance is 19.32g/cm3. What is the unknown substance
Tuesday, September 10, 2013 at 6:19pm

physical
a tortoise walks north at 0.4 mg for 14 meters, then north at 0.2mg for 30 meters ,then south at 0.3 m/s for 60 meters.what is his average speed?
Sunday, September 8, 2013 at 8:36pm

history
Describe the physical surroundings of Catal Huyuk. Check my answer The roofs were made of woven reeds and mud and were connected to one another like a honeycomb . Each dwelling contained an open hearth an oven in the wall and clearly defined sleeping area.
Saturday, September 7, 2013 at 8:08am

Ancient History
Describe the physical surroundings of Catal Huyuk
Saturday, September 7, 2013 at 7:34am

health 5 grade
i need help in health subject for my son 5 grade Question 1- connect suppose you have a cold. this affects your physical health. does if affect your mental,emotional,family, and social health, too? explain why or why not. Question 2- practice healthful behaviors Make a list of...
Friday, September 6, 2013 at 8:21pm

physical science
what is the density of iron if 5.0 cm at the third has a mass o 39.5 grams
Thursday, September 5, 2013 at 3:56pm

Diff Eq
Consider a body moving along a straight line, in the presence of an external force providing constant acceleration a. In the absence of other forces, the velocity v of the body would increase without bound if a 6= 0. But in reality, there will always be a decelerating force, ...
Thursday, September 5, 2013 at 12:54pm

Geography
Near which type of physical geographic feature were the first farming villages built?
Thursday, September 5, 2013 at 10:24am

la need help
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, September 5, 2013 at 10:24am

Physical Science
which waves have wavelengths longer than those of visible light? Give an example of how each kind of wave is used.
Thursday, September 5, 2013 at 9:07am

physical pharmacy
Hoy does KH2PO4 induce controlled flocculation..?
Thursday, September 5, 2013 at 4:13am

Please help Physical pharmacy
How does KH2PO4 induce controlled flocculation?
Wednesday, September 4, 2013 at 11:31pm

Geography
What is the difference between natural and artificial boundaries? My answer: A natural boundary is based on physical features of land, such as rivers, lakes, or chains of mountains, whereas an artificial boundary is a fixed line generally following latitude or longitude lines.
Wednesday, September 4, 2013 at 7:29pm

Geography
What physical features make up the natural boundaries between the United States and Canada?
Wednesday, September 4, 2013 at 6:46pm

Physical Science
The Magnetic field lines of a bar magnet begin near the magnet's _____________. I believe this question is asking where the lines begin (ie leave) the bar magnet...which would be the north pole.
Wednesday, September 4, 2013 at 6:12pm

Physical Science
The primary colors of pigments A. are cyan, yellow, and magenta. B. are the same as the secondary colors of light. C. combine in equal amounts to produce black. D. all of the above I think it's D.
Wednesday, September 4, 2013 at 2:41pm

Please help Physical pharmacy
How does KH2PO4 induce controlled flocullation?
Tuesday, September 3, 2013 at 9:59pm

Physical Science
Energy from the sun reaches Earth mostly by A. conduction. B. convection. C. radiation. D. thermal expansion. I think it's A.
Tuesday, September 3, 2013 at 4:07pm

Physical Science
If no friction acts on a diver during a dive, then which of the following statements is true? A. The total mechanical energy of the system increases. B. Potential energy can be converted into kinetic energy but not vice versa. C. (KE+ PE)beginning = (KE + PE)end D. all of the ...
Tuesday, September 3, 2013 at 3:28pm

Physical Science
When opposite poles of two magnets are brought together, the poles A. attract each other. B. repel each other. C. cancel each other. D. cause a net force of zero. I think it's B.
Tuesday, September 3, 2013 at 2:53pm

physical pharmacy please help
How are colloidal dispersions different from other types of dispersed systems?
Tuesday, September 3, 2013 at 5:59am

physical science
a soccer ball is kicked 25 meter,It's maximum hight is 6 meter,Wha is its initial velocity and the time of flight
Friday, August 30, 2013 at 3:53am

social studies
I am a student conducting a survey for homework. 1. How many miles per day do you commute for work or school? (both ways as well as any additional on-the-job traveling all combined) 2. What is the furthest place from you to which you have vacationed in the past year? (city and...
Wednesday, August 28, 2013 at 6:05pm

Introduction to Physical Science
If two protons and two neutrons are removed from the nucleus of an oxygen-16 atom, a nucleus of which element remains? It was simple to say that oxygen-16 remains but is there a formula for this. Thank you
Wednesday, August 28, 2013 at 12:17pm

physical pharmacy please help
Explain the importance of solubility to dissolution.
Wednesday, August 28, 2013 at 12:05pm

Physical Science
Which of the following does NOT show the law of conservation of mass? A. 24 g of Mg burn in 32 g O2 to produce 56 g of MgO. B. 24 mL of Mg burn in 32 mL O2 to produce 56 mL of MgO. C. 2 atoms of Mg react with 1 molecule of O2 to produce 2 units of MgO. D. 1 atom of Mg reacts ...
Tuesday, August 27, 2013 at 1:08pm

Physical Science
Which of the following statements about ice melting is true? A. Energy flows from the ice to its surroundings. B. Water molecules move from their fixed position. C. Water molecules lose energy. D. The temperature of the ice increases as it melts. I think it's C.
Tuesday, August 27, 2013 at 7:49am

Physical Science
Which of the following is a heterogeneous mixture? A. water in a swimming pool B. sugar water C. a jar of mixed nuts D. stainless steel I think it's B.
Tuesday, August 27, 2013 at 7:39am

Psychology
1.Which of the following is an example of something that remains stable across the lifespan? A. Gender (I chose this) B. Physical size C. Language D. all over above 2. Which of the following is true of the life-span perspective? A. It is primarily concerned with ...
Saturday, August 24, 2013 at 9:16pm

Early childhood
I need to see an written example of a summary report on a child for preschool that covers the seven domain. 1.Personal and social development 2. Language and Literacy 3. Mathematical Thinking. 4. Scientific Thinking. 5. Social Studies. 6. the Arts. 7.Physical development, ...
Saturday, August 24, 2013 at 8:52am

English
What is the physical journey like in the novel "Murder on the Orient Express" and how does it add to the meaning?
Friday, August 23, 2013 at 5:08pm

Introduction to Physical Science
How do you calculate the wavelength of the radio waves that are produced is 561 m, when electrons on a radio broadcasting tower are forced to oscillate up and down an antenna 535,000 times each second.
Thursday, August 22, 2013 at 8:39pm

Introduction to Physical Science
A rule of thumb for estimating the distance in kilometers between an observer and a lightning stroke is to divide the number of seconds in the interval between the flash and the sound by 3. Discuss whether or not this rule is correct. I say it is correct because the speed of ...
Thursday, August 22, 2013 at 4:02pm

Health
Physical signs of stress typically include ________. A. Stomach growling B. Tense muscles C. Tickling sensation D. All of the above I think it's D.
Thursday, August 22, 2013 at 10:29am

Chemistry
A student breaks a thermometer and spills most of the mercury (Hg) onto the floor of a laboratory that measures 15.2 m long, 6.6 m wide, and 2.4 m high. (a) Calculate the mass of mercury vapor (in grams) in the room at 20°C. The vapor pressure of mercury at 20°C is 1.7...
Monday, August 19, 2013 at 9:50pm

Introduction to Physical Science
Hello, I always thought that sound was to loud when it hurts our ears or when sound vibration can make extremely loud noises. I am stuck on the following question: How loud is too loud? When is a sound too loud? What can be done about sounds/noises that are too loud for you?
Monday, August 19, 2013 at 12:23pm

P.E.
What is the key determinant in establishing the status of a physical education program within a school?
Sunday, August 18, 2013 at 10:33pm

health Environment
Contrast the typical profiles of higher and lower molecular weight chemicals as to their physical-chemical properties and their behavior in the environment?
Saturday, August 17, 2013 at 5:57pm

physical science
The prefix kilo- means what?
Thursday, August 15, 2013 at 9:06pm

physical
choose one quality which is important to your chosen activity technical physical personal special
Thursday, August 15, 2013 at 6:51pm

Biology
Which of the following statements about the compound HCl is true? *The physical and chemical properties of HCl are different from those of H2 and Cl2. *Only the physical properties of HCl are different from those of H2 and Cl2. *Only the chemical properties of HCl are ...
Thursday, August 15, 2013 at 5:07pm

Statistics
Use the following table to answer questions 7 and 8: This table displays results from a prospective cohort study evaluating meat intake and mortality. The table displays hazard ratios for mortality by quintile of red meat intake. Table 2. Multivariate Analysis for Red, White, ...
Thursday, August 15, 2013 at 11:58am

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