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December 18, 2014

Homework Help: Health: Physical Fitness

Recent Homework Questions About Physical Fitness

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Physical Science
A hockey puck moving at 28 m/s is caught by an 80.00 kg man who was at rest. The man and the puck move together after the collision. The pucks mass is 0.16 kg. What is the final velocity?
Monday, October 27, 2014 at 10:08am

Theories and issues in working with school-age chi
Lawrence Kohlberg created the preconventional, conventional, and postconventional levels in _______ development. A. physical B. social C. cognitive D. moral D.
Sunday, October 26, 2014 at 10:14pm

Theories and issues in working with school-age chi
Being able to balance one's checkbook is an example of a _______ skill. A. psychological B. physical fitness C. domestic D. social B.
Sunday, October 26, 2014 at 12:24pm

Physical Chemistry
Please help, about real gas deviation from ideal behavior. when we plot graph against P and PV, at 17¡ãC,: for H2, there's straight ascending line. for N2, line a little curved at low P then become ascending straight like H2. for CO2, line curved, very ...
Sunday, October 26, 2014 at 10:23am

Physical Education help
The body's reaction to information is to send these to the brain. A. Neurons B. Impulses C. Dendrites D. Synapse Is the answer B? Thank you
Saturday, October 25, 2014 at 10:48pm

Physical Education help
When diving into water, it is important to look before diving to avoid (blank) that could damage your nervous system. A. Deep water B. Underwater hazards C. Living creatures D. Water toys Is the answer B? Thanks
Saturday, October 25, 2014 at 10:39pm

Physical Education help
The part of the brain that controls movement and balance is the A. Cerbrum B. Cerebellum C. Brain stem D. Frontal lobe Is the answer B? Thanks
Saturday, October 25, 2014 at 10:29pm

Physical Science
Consider lead, in what state will it be at each of the following temperatures? a) 4000 degrees Celsius, b) 40 degrees Celsius, c) 400 degrees Celsius, d) 327 degrees Celsius.
Friday, October 24, 2014 at 4:05pm

statistics
The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 46 and a standard deviation of 9. Using the empirical rule (as presented...
Thursday, October 23, 2014 at 11:20pm

Physical Science
Beginning at rest, you accelerate at a rate of 2.5 m/s^2 for 12 seconds. What is your final velocity?
Wednesday, October 22, 2014 at 8:28pm

Physical Science
why is the kinetic energy of the lumber higher on the truck during the delivery than when it drops from the carpenter's shoulder?
Wednesday, October 22, 2014 at 5:17pm

Physical Science
Explain the role friction plays in the conservation of energy.
Wednesday, October 22, 2014 at 5:04pm

HEALTH AND P.E ONE QUESTION HELP!!!!!!!!!!
which of the following is not a cause of mental or emotional illness A.) Physical factors B.) heriditiy C.) Values D.) early experiences
Wednesday, October 22, 2014 at 4:42pm

health
What can architects do to help promote physical activity initiatives?
Wednesday, October 22, 2014 at 3:08pm

physical science
calculate the force output by the larger piston of a hydraulic lift when a force of 700 newtons is excerted on the smaller piston and the areas of the two pistons are 20cm and 950cm squared.
Tuesday, October 21, 2014 at 10:34pm

Persuasive Essay (Please, help me!)
Please, help me! I'm struggling to write my persuasive essay that must be completed by tonight. I don't know know whether that which I have written makes sense. I don't know what else to write, either! My essay is about why high school students should be exempt ...
Tuesday, October 21, 2014 at 10:24pm

planning & implementing for the environment
Which of these factors is most likely to determine the total number of children you can take into your facility? A. Children's needs B.Physical space available C.program philosophy D.staff members skills B.
Monday, October 20, 2014 at 6:02pm

Physical Science
A long distance swimmer, who is very cold, m=100 kg., 1000 kilocalories are supplied to warm them up. The specific heat for a human is 0.83. A) What will be the temperature change? B) If the original temperature is 85 degrees, find the final temperature.
Monday, October 20, 2014 at 5:01pm

Physical Science
A piece of aluminum, mass 40 kg. C= 0.2 kilocalories/kg.(degrees), change in temperature =20degrees, find Q, in kilocalories.
Monday, October 20, 2014 at 4:51pm

Physical Science
The sand on the beach heats up faster each day than the water does. You know this because when you walk on the beach in the early morning, your feet are cool. By noon, the beach is so hot, you cannot walk on it in bare feet . The ocean, however stays cool. Which one has the ...
Monday, October 20, 2014 at 4:48pm

physical
A 1.67-kg block (M1) and a 5.07-kg block (M2) are connected by a massless string. Applied forces, F1 = 11.3 N and F2 = 4.85 N, act on the blocks, as shown in the figure. a) What is the acceleration of the blocks?
Monday, October 20, 2014 at 11:09am

physical chem
calculate work when 1mol of H2O is heated from 0-100 degrees C at fixed pressure of 1atm.
Sunday, October 19, 2014 at 3:53am

Persuasive Essay
Will someone help me organize my persuasive essay? I've decided to write about the FITNESSGRAM and why high shcool students who have taken the required courses of physical education should be exempt from it.
Saturday, October 18, 2014 at 8:23pm

planning & implementing for the environment
Which of these factors is most likely to determine the total number of children you can take into your facility? A.Children's needs B. physical space available C. Program philosophy D. Staff members skills My answer is B
Thursday, October 16, 2014 at 10:36pm

Chemist - Grade 9 - Urgent.
Predict the physical properties and relative reactivity of Ba and Sr Cs and Br ( elements from periodic table )
Thursday, October 16, 2014 at 9:57pm

Grade 9 chemsitry
Predict the physical properties and relative reactivity of Ba and Sr Cs and Br ( elements from periodic table )
Thursday, October 16, 2014 at 8:09pm

statistics
show me Police academy acceptance exams to qualify for a police academy, applicants are given a test of physical fitness. the scores are norally distributed with a mean of 64 and standard deviation of 9. if only the top 20% of the applicants are selected find the cutoff score?
Wednesday, October 15, 2014 at 11:34pm

Chemistry
Predict the physical properties and relative reactivity of Rb, Cs, and Fr (From the periodic table)
Tuesday, October 14, 2014 at 6:13pm

Physical Science- Math skills
Rachel is asked to calculate the density of a liquid. She correctly measures the mass of the liquid to be 14 grams, but she incorrectly measures the volume of the liquid to be 10 mL. The actual volume of the liquid is 9 mL. If Rachel uses the following equation to calculate ...
Tuesday, October 14, 2014 at 2:18pm

Physical Science
A box has a mass of 90 kg If the box is accelerating upward at 1.0m/s2, what is the tension of the cable?
Tuesday, October 14, 2014 at 1:38pm

Differential Equations
Consider the system shown below of two masses of mass m, coupled together between two fixed walls via springs with varying spring constants. Let x(t) and y(t) be the horizontal displacements of the two masses as a function of time. (a)Write down a system of differential ...
Monday, October 13, 2014 at 5:55pm

Statistics
As part of studying the relationship between mental and physical health, you obtain the following heart rates: 73 72 67 74 78 84 79 71 76 76 79 81 75 80 78 76 78 In terms of differences in heart rates, interpret these data using the following: (a) the range, (b) the variance...
Sunday, October 12, 2014 at 6:55pm

physical
A body of weight 150N is supported by a thin cord attached to a point in the ceiling. Another cord is attachedto the weight and pulled horizontally until the supporting cords makes an angle of 30 degree with the vertical. Draw the diagram of the arrangement and calculate the ...
Sunday, October 12, 2014 at 7:25am

Algebra
Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade High School 9th Grade ...
Thursday, October 9, 2014 at 8:35pm

Science: Plate Techtonics (giving out medals)
Hey there! I need help with some answers 1. Why do earthquakes occur along the San Andreas fault line? 2. Which of the following causes Earth's plates to move continuously? 3. Which of the following physical features are not caused by plate tectonics? PLEASE HELP! giving ...
Thursday, October 9, 2014 at 4:57pm

statistics
The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 42 and a standard deviation of 10. Using the empirical rule (as ...
Wednesday, October 8, 2014 at 4:52pm

Health
13. How does regular exercise help to reduce the effects of mental stress? A. People who regularly exercise are happy people and are fun to be around. B. Regular exercise gives you better mental discipline, so you're better able to ignore stress. C. Regular exercise gets ...
Tuesday, October 7, 2014 at 8:31pm

Chemistry
A pure white solid material that looks like table salt releases gas when heated under certain conditions. There is no change in the appearance of the solid, but the reactivity of the material changes. Did a chemical or physical change occur? How do you know? Was the original ...
Tuesday, October 7, 2014 at 6:22pm

Physical geography
On the windward side of the mountain,should the relative humidity of the parcel change as it rises from 2000 m to 4000m?
Monday, October 6, 2014 at 11:41pm

physical science
using the cinetic theory explain what caused gas pressure
Monday, October 6, 2014 at 8:55pm

Physical Education
It is important to choose simple carbohydrates for breakfast to get you started for your day. True False True?
Monday, October 6, 2014 at 8:07pm

P.e
The physical need to eat food is called A. hunger B. appetite C. Psycological desire. D. nutritional value A?
Monday, October 6, 2014 at 8:05pm

Physical Education
The body's main energy source should come from what essential nutrient? A. Protien B. Fat C. Carbohydrate D. Minerals D?
Monday, October 6, 2014 at 7:16pm

physical science
A piston applies a pressure of 5,000 N/m2 if the piston has a surface area of 0.1 m2 , how much for can the piston apply?
Monday, October 6, 2014 at 1:58pm

physical science
A 2-kg ball of putty moving to the right has a head-on inelastic collision with a 1-kg putty ball moving to the left. If the combined blob doesn’t move just after the collision, what can we conclude about the relative speeds of the balls before they collided?
Monday, October 6, 2014 at 2:03am

SOC 101
Checking my Answers: 1. The Sociological insight can provide which of the following: (Points : 1) Knowledge of group behavior Insight into individual behavior Increased understanding of differences *All of these choices Question 2. 2. Which is the best type of literature for ...
Sunday, October 5, 2014 at 8:12pm

Geography
Should geographers regard culture and social customs as generalizations about a group of people, or should they say it comes from people's interaction with the physical environment?
Sunday, October 5, 2014 at 7:15pm

Intro to Physical Science
Lucy the elephant jumps straight up from ground level with a speed of 6 meters/second. With what speed will she have just before she reaches the ground on her way back down? With no friction and then with friction.
Saturday, October 4, 2014 at 11:46am

physics
A 74.0kg person is put on an exercise program by a physical therapist, the goal being to burn up 550 food calories in each daily session. Recall that human muscles are about 21.0% in converting the energy they use up into mechanical energy. The exercise program consists of a ...
Saturday, October 4, 2014 at 5:06am

Intro to Physical Science
A diver (mass 100kg.)drops from a height of 12 meters and reaches the pool below at ground level. 3550 joules of heat energy are generated due to friction. With what speed will the diver hit the water?
Thursday, October 2, 2014 at 9:57am

History
Which best describes why the Neolithic Revolution was such an important turning point in history? A- people began to control their physical environment for the first time B- religion emerged as people planted and harvested crops C- metal tools allowed strong rulers to conquer ...
Monday, September 29, 2014 at 4:26pm

World History Answer Check
1. What event started the French Revolution? A: The fall of the Bastille started the French Revolution. 2. How did Napoleon assume power in France and become emperor? A: As a popular general, Napoleon assumed power in France by taking part in the coup d'état of 1799...
Monday, September 29, 2014 at 3:37pm

World History Answe Check
How does Jacques-Louis David portray Napoleon in the painting Napoleon Crossing the Alps? Why do you think Napoleon wanted artists to produce portraits like this one? A: David portrays Napoleon as being calm and mounted on a fiery steed. I think Napoleon wanted artists to ...
Monday, September 29, 2014 at 2:21pm

physical
A robot probe drops a camera off the rim of a 230 m high eliff on Mars where the free fall acceleration is 3.7 m/s^2. Find the velocity with which it hits the ground.
Sunday, September 28, 2014 at 1:11pm

Chemistry
What is the total ionic equation of this: 3CaCl2(aq) + 2K3PO4(aq) → Ca3(PO4)2(s) + 6KCl(aq) Shw all physical states of the reactants and products
Friday, September 26, 2014 at 11:17pm

Chemistry
Bones are mostly calcium phosphate. Calcium chloride reacts with potassium phosphate to form calcium phosphate and potassium chloride. Indicate the physical states or reactants and products a) Write the balanced equation of the information above b) Determine the total ionic ...
Friday, September 26, 2014 at 10:18pm

Chemistry
Anyone know how to go about the problem? I don't know how to do it. Assume a professor has a daily special request for her coffee. She likes to have the 250.0 mL of coffee frozen at -15.0°C overnight and then wants it heated to 95°C when she gets there in the ...
Thursday, September 25, 2014 at 4:26pm

Calculus I
Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2 - 40T + 200, -1<=T<=20 where T is the temperature of the food in degrees Celsius. Suppose that the temperature of the food when it is left out on a picnic table is given by T(t)= 4t + 10, 0<...
Wednesday, September 24, 2014 at 1:44am

Child care
6. Local, state, and provincial governments may have specific regulations that apply to the physical space in a day care center. A typical requirement in these regulations is a minimum of _______ square feet of usable play space for each child. A. 35 (B). 18 C. 10 D. 24
Tuesday, September 23, 2014 at 7:02pm

calculus
Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2 - 40T + 200, -1<=T<=20 where T is the temperature of the food in degrees Celsius. Suppose that the temperature of the food when it is left out on a picnic table is given by T(t)= 4t + 10, 0<...
Tuesday, September 23, 2014 at 5:48pm

calculus
Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2 - 40T + 200, -1<=T<=20 where T is the temperature of the food in degrees Celsius. Suppose that the temperature of the food when it is left out on a picnic table is given by T(t)= 4t + 10, 0<...
Tuesday, September 23, 2014 at 5:48pm

Physical Science
Superfly, mass of only 1 gram, but capable of flying 840 million km/hr. meets a locomotive with a mass of 20,000 kg, traveling 40 km/hr. Who has the greater momentum? I know I need to convert mass to kg and covert momentum in Kg-Km/hr. I just don't know how. Please help.
Monday, September 22, 2014 at 8:03pm

Physical Science
Johnson ran the 100 meter dash in 9.79 seconds. Calculate Johnson's average speed, in meters/second.
Monday, September 22, 2014 at 7:56pm

PHYSICS
Use dimensional analysis to determine the pressure, P, in the pipe to within a dimen- sionless multiplicative constant of order 1.(Hint: P may depend on another physical variable besides A and R.) Using your result from part (a), reexpress your answer in a form that involves v...
Sunday, September 21, 2014 at 7:56pm

Health--Check my answers
1. The best way to describe fitness is: being slim and low in body fat being big, strong, and “buffed” being flexible and having a sense of overall well-being *** all of the above 2. The best way to describe wellness is: making positive choices *** folding under peer...
Sunday, September 21, 2014 at 12:13pm

P.E
If you're concerned about factors associated with mental illness, ypu don't need to worry about A. Herditary B. Virus infections C. Physical factors D. Early experiences. Is the answer B?
Friday, September 19, 2014 at 6:04pm

physical science
Two 3.4 kg physical science textbooks on a bookshelf are 0.25 m apart. What is the magnitude of the gravitational attraction between the books?
Friday, September 19, 2014 at 9:56am

physics
Two 2.5 kg physical science textbooks on a bookshelf are 0.25 m apart. What is the magnitude of the gravitational attraction between the books?
Friday, September 19, 2014 at 12:06am

Physical Science
A heat pump releases 103.0 kcal as it removes 54.0 kcal at the evaporator coils. How much work does this heat pump ideally accomplish? The answer should be in KJ
Thursday, September 18, 2014 at 10:13pm

Physical Science
A 12 kilogram tire is to be pulled by three ropes. One force, F1, has a magnitude of 50N. Orient the other two forces so that the magnitude of the resulting acceleration of the tire is least. And find that magnitude if: F2=30N, F3= 20N.
Thursday, September 18, 2014 at 3:24pm

physical science
The present record for the 100 meter dash is 9.58 seconds. back in 1988, Johnson ran the 100 meter dash in the world record time of 9.79 seconds. He was later to lose both his record and his gold medal to runner up Lewis because of steroid use. Calculate Johnson's average ...
Thursday, September 18, 2014 at 12:08am

physical science
Superfly, mass of only 1 gram, but capable of flying at the incredible speed of 840 million km/hr, meets a locomotive with a mass of 20,000 kg, traveling at 40km/hr. Who has the greater momentum?
Thursday, September 18, 2014 at 12:07am

Physical Science
at a speed of 30 mi/hr, the car crashes head on into a brick wall. despite the fact that the car crunched to a total stop, one of NEWTON'S laws predicts that you will continue to fly forward at 30 mi/hr until you collide with the windshield or dash. WHICH LAW?
Thursday, September 18, 2014 at 12:05am

Physical Science
Superfly, mass of only 1 gram, but capable of flying at the incredible speed of 840 million km/hr, meets a locomotive with a mass of 20,000 kg, traveling at 40km/hr. Who has the greater momentum?
Wednesday, September 17, 2014 at 8:49pm

Physical Science
The present record for the 100 meter dash is 9.58 seconds. back in 1988, Johnson ran the 100 meter dash in the world record time of 9.79 seconds. He was later to lose both his record and his gold medal to runner up Lewis because of steroid use. Calculate Johnson's average ...
Wednesday, September 17, 2014 at 8:45pm

physical science
one gallon= 3.785 liters. If you were charged $1.10 per liter at the pump for Regular, how much would you be paying per gallon? Assuming American price levels, do we stop at this station or drive on?
Wednesday, September 17, 2014 at 8:29pm

Physical Science
You are driving. You have enough gas in your tank to go 50 miles. The next town is 72 kilometers away. Can you make it? Show work.
Wednesday, September 17, 2014 at 8:26pm

Science
Classify each as a physical characteristic or chemical property. -wood burns -clay is brown -steel wool rusts -a paper clip is 3cm long
Wednesday, September 17, 2014 at 8:20pm

curriculum
Which of the following is not a good strategy for a teacher to use in making transitions fun? A. Help children come down the hall quietly by pretending to "sneak" past the director's office, varying what they pretend on different days. For example, they can sneak...
Wednesday, September 17, 2014 at 8:15pm

ss-maps *repost* (sorry!)
What is the difference between a road map and a bird's-eye view map? A. A road map shows fewer road names than a bird's eye view map. B. A road map looks more photo-realistic than a bird's-eye view map. C. A road map shows more physical features such as trees ad ...
Wednesday, September 17, 2014 at 7:23pm

physical science
the distance from one place to another is 80 miles. How far is it in kilometers?
Wednesday, September 17, 2014 at 4:02pm

Physical Science
Ok, I just want to make sure I am doing this right. It says mass= 3800grams. Silvers density is 10 grams/cm^3. How much will volume of water with silver displace in cm^3? So would it be 3800g/10g= 380 grams? or is that wrong?
Wednesday, September 17, 2014 at 4:00pm

types of maps
What is the difference between a road map and a bird's-eye view map? A. A road map shows fewer road names than a bird's eye view map. B. A road map looks more photo-realistic than a bird's-eye view map. C. A road map shows more physical features such as trees ad ...
Wednesday, September 17, 2014 at 3:46pm

Physical Science
Suppose an all good crown has mass m=3800 grams. Gold has a density of 19 grams/ cm^3. What is the volume of water displaced by a gold crown (in cm^3)? Please help :)
Wednesday, September 17, 2014 at 3:18pm

Physical Science
A 73.0 g silver spoon at 19.2 c is place in a cup of coffee at 91.2 c. How much heat does the spoon absorb from the coffee to reach a temperature of 85.6 c?
Wednesday, September 17, 2014 at 10:15am

Physical Science
A 1600.0 kg car with a speed of 75.0 km/h brakes to a stop. How many cal of heat are generated by the brakes as a result?
Wednesday, September 17, 2014 at 10:12am

Physical Science
please help me understand this question If measurements of a gas are 50L and 300 kilopascals and then the gas is measured a second time and found to be 75L, describe what had to happen to the pressure (if temperature remained constant). Include which law supports this ...
Tuesday, September 16, 2014 at 11:04pm

Physical Science
Why does a glass filled with a cold beverage seem to sweat? a. saturation always results in sweat on wet object. b. the cold glass adjacent air to saturation, which is followed by condensation of water vapor. c. when cold, water molecules can move through tiny pores in the ...
Monday, September 15, 2014 at 9:32pm

Physical Science
A heat engine exhauts 122.0 kal after taking 499.0 how much mechanical work was done by the engine?
Monday, September 15, 2014 at 8:50pm

Grade 9 Science
In each situation s below , it seems that a new substance may have been produced. Explain why each situation represents a physical change. a) A tailor makes a new suit out of a piece of fabric. b) A chef makes a salad out of lettuce, tomatoes and cucumbers. I really need ...
Sunday, September 14, 2014 at 6:32pm

math
In order to pass a physical education class at a university, a student must run 1.0 mi in 12.5 min. After running for 10.0 min (assume constant speed), she still has 510 yd to go. What constant acceleration does she need over the final 510 yd in order to make it?
Sunday, September 14, 2014 at 5:45pm

English
I need help identifying the thesis in this essay. please help! "Why i want a Wife" -Judy Brady 1- I belong to that classification of people known as wives. I am A Wife. And, not altogether incidentally, I am a mother. 2- Not too long ago a male friend of mine ...
Sunday, September 14, 2014 at 11:32am

english
what is the thesis of this essay called "i want a wife" -judy brady 1- I belong to that classification of people known as wives. I am A Wife. And, not altogether incidentally, I am a mother. 2- Not too long ago a male friend of mine appeared on the scene fresh from a...
Sunday, September 14, 2014 at 12:17am

Physical science
A 3.0-kg cat runs to the left at 10m/s and a 12-kg dog runs to the right at 4.0m/s what is the total kinetic energy?
Saturday, September 13, 2014 at 10:12pm

Physical Science
For questions #14 – 17, write an equation for the reaction of magnesium oxide with sodium chloride to produce magnesium chloride and sodium oxide. 14. Show the formulas of the reactants. 15. Show the formulas of the products. 16. Write the balanced the equation for this ...
Saturday, September 13, 2014 at 3:33pm

Physical Science
Please Help me with this question and example in full details please. Scientists tested the effect of a fertilizer on the growth of plants. They had 2 sets of plants, Group A which gets fertilizer, water and sun and Group B which gets only water and sun (but in equal amounts ...
Saturday, September 13, 2014 at 3:08pm

The Curiculum
Which of the following is not a good strategy for a teacher to use in making transitions fun? A. Help children come down the hall quietly by pretending to "sneak" past the director's office, varying what they pretend on different days. For example, they can sneak...
Saturday, September 13, 2014 at 7:55am

The Curriculum
What is the best strategy to use when a teacher is providing for learning of physical knowledge as a part of science? A. Give detailed information by telling children about physical knowledge. B. Have someone demonstrate an experiment and debrief. C. Set up the materials and ...
Friday, September 12, 2014 at 9:57pm

Physical Science
Modern oil tankers weigh over a half-million tons and have lengths of up to one-fourth mile. Such massive ships require a distance of 4.8 km (about 3.0 mi) and a time of 22 min to come to a stop from a top speed of 26 km/h. (a) What is the magnitude of such a ship's ...
Friday, September 12, 2014 at 3:37pm

Physical Education
Mental or emotional problems may cause physical problems. True False Is the answer True??
Friday, September 12, 2014 at 2:12pm

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