Thursday
December 18, 2014

Homework Help: Physical Education

Recent Physical Education Questions

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Physical Education
The search for identity usually occurs during a. early childhood b. middle adulthood c. late adulthood d. adolescence <------- My answer Please help me! My answer is D but I want to make sure.
Wednesday, December 17, 2014 at 4:25pm

History
What Physical Feature of the New World's Coastline greatly attracted European Colonits A.Offshore islands B.Fertile soil along high moutain cliffs C.Natural harbors along the Atlantic Coast D.Large lakes along the coastline D?
Tuesday, December 16, 2014 at 6:38pm

History
What physical feature especially attracted European colonists? A.Many offshore islands B.Fertile soil along high mountain cliffs C.Natural harbors along Atlantic Ocean D.Large lakes located along the coastline
Tuesday, December 16, 2014 at 6:15pm

P.E
1. One of your friends plays video games for at least six hours each day and gets upset when he has to eat dinner with his family. This is a sign of? a. An anxiety disorder. b. A phobia c. Bipolar disorder d. An impulse-control disorder 2. A phobia is an example of a(n) a. An...
Tuesday, December 16, 2014 at 5:00pm

chemistry
If your car gets 21.4 mpg, how many L of CO2, will you release into the atmosphere, if you drove the 1280miles from Towson University to Key West Florida for a much needed break after taking Chemistry 121? Assume 1.05atm and 17.0C. What would your carbon load be in lbs (lbs of...
Monday, December 15, 2014 at 2:33pm

chemistry
If your car gets 21.4 mpg, how many L of CO2, will you release into the atmosphere, if you drove the 1280miles from Towson University to key West Florida for a much needed break after taking Chemistry 121? Assume 1.05atm and 17.0C. What would your carbon load be in lbs (lbs of...
Monday, December 15, 2014 at 1:57pm

chemistry
If your car gets 21.4 mpg, how many L of CO2, will you release into the atmosphere, if you drove the 1280miles from Towson University to key West Florida for a much needed break after taking Chemistry 121? Assume 1.05atm and 17.0C. What would your carbon load be in lbs (lbs of...
Monday, December 15, 2014 at 1:54pm

Physical science
What is the formula of magnesium sulfate and ammonia? My work:MgSO4 + 2NH4OH --> (NH4)2SO4 + Mg(OH)2 Correct/Balance the equation below. MgSO4 + NH4OH → (NH4)2SO4 + Mg(OH)2
Monday, December 15, 2014 at 12:00am

Chemistry
Which of the following is an example of quantization? A. The amount of time spent in a classroom B. The number of students in a classroom C. Learning happening in a classroom D. The temperature range in a classroom I know I asked this question but I would this paragraph. Is it...
Sunday, December 14, 2014 at 11:54pm

physical
A ball of mass m=8.5, at one end of a string of length L=3.6, rotates in a vertical circle just fast enough to prevent the string from going slack at the top of the circle. Assuming mechanical energy is conserved, the speed of the ball at the bottom of the circle is:
Friday, December 12, 2014 at 4:51pm

physical
The potential energy of a 2.0-kg particle moving along the x axis is given by U(x) = 5.0 x^2. When the particle is at x = 1.0 m it is traveling in the positive x direction with a speed of 1.5 m/s. It next stops momentarily to turn around at x =
Friday, December 12, 2014 at 4:50pm

Science
Pure gold can be fashioned into elaborate masks and thin plates that can be incorporated into clothing.what physical trait of metal doea this demosnstrate
Friday, December 12, 2014 at 9:23am

Literature
I need some help with some literature questions based on this passage: From the winter of 1821, . . . I had what might truly be called an object in life; to be a reformer of the world. My conception of my own happiness was entirely identified with this object. The personal ...
Thursday, December 11, 2014 at 2:03pm

health
Which of the following statements is CORRECT regarding deciding whether an alcohol sale is legal? A. IF a person looks over 21, they likely are. B. Few minors have physical characteristics of an adult. C. if a person looks like a minor, they likely are a minor. D. signs of ...
Thursday, December 11, 2014 at 12:30am

Physical Science
Fill in the blanks using the correct term from the list below. Active Combustion free heating systems passive heat pump thermal energy stroke 1. A house with large windows on its south side and few windows on its other sides probably uses a(n) Blank solar heating system. 2....
Wednesday, December 10, 2014 at 5:33pm

Introductory to Physical Science
A student drops a stopper into 50.0mL of water and the level rises to to 56.1mL. If she submerges the same stopper into a cylinder of thick syrup, what will happen to the syrup? a.) it will rise 6.1mL b.) it will rise less than 6.1mL c.) it will rise greater than 6.1mL d.) it...
Tuesday, December 9, 2014 at 9:48pm

Physical Science
What is the temperature of oxygen that boils at negative 183 Celsius?
Tuesday, December 9, 2014 at 3:13am

Geography
I have an essay that says.. "It has been said that Eastern Europe is a political region more than a physical region. Would you agree or disagree with this statement? You must provide a solid argument for your position." since it asks me for my opinion how do I write ...
Monday, December 8, 2014 at 2:46pm

physical
Baseball of 0.15 kg is thrown upward at an initial velocity of 35 m/s. tow second later a 20 g bullet is fired at 250 m/s into the rising baseball . how high will the combined bullet and baseball rise.
Saturday, December 6, 2014 at 1:35pm

Psychology
Sexual dimorphism's are a) observable physical differences within single gender (e.g. tall men vs short men.) b) observable physical differences between the genders (e.g differences in mens and women's brains) c) assumed differences in the capacities of the genders (e....
Thursday, December 4, 2014 at 5:33pm

7th grade science
some animals, but not humans have an organ called a gizzard located near the top of their digestive tract. this organ is small and can contain small rocks. it also has thick muscular walls. based on this physical description which of the following is most likely to be the ...
Thursday, December 4, 2014 at 10:42am

physical chemistry
A solution is prepared by adding 1g of sugar mannitol (MW 182.2g/g-mole) in 100g of water at 20◦C. (a) Assuming that mannitol and water form an ideal solution, what is the equilibrium vapor pressure of solution? The vapor pressure of pure water is 17.54mmHg at 20◦C
Wednesday, December 3, 2014 at 8:32pm

ENGLISH
Love is a surgeon. Love can cut into your flesh like a scalpel Love can operate upon your heart Love can circumcise you Perhaps you don't believe it But i know. Love operates Upon your skin, your hair, your gait For Love there is no remedy Except the surgeon's scalpel...
Wednesday, December 3, 2014 at 4:42am

Corrections
Prisoners who petition that their civil rights have been violated most frequently cite all of the following concerns except a. due process. b. inadequate medical treatment. c. physical security. d. ineffective assistance of counsel. im confused between B and D
Monday, December 1, 2014 at 10:12am

Differential equations in Calculus...plsssss help?
Suppose that represents the temperature of a cup of coffee set out in a room, where T is expressed in degrees Fahrenheit and t in minutes. A physical principle known as Newton’s Law of Cooling tells us that dT/dt = -1/15T+5 15T + 5. a) Supposes that T(0) = 105. What does ...
Sunday, November 30, 2014 at 11:42pm

Physical Science
Complete and balance the equation for the following single-replacement reactions. (Use the lowest possible coefficients. Omit states-of-matter from your answer.) Ni + Cu(NO3)2(aq)-->
Sunday, November 30, 2014 at 10:12pm

Calculus with Diffrential Equations: Pleease help?
Suppose that represents the temperature of a cup of coffee set out in a room, where T is expressed in degrees Fahrenheit and t in minutes. A physical principle known as Newton’s Law of Cooling tells us that dT/dt = -1/15T+5 15T + 5. a) Supposes that T(0) = 105. What does ...
Sunday, November 30, 2014 at 8:45pm

Calculus
Suppose that represents the temperature of a cup of coffee set out in a room, where T is expressed in degrees Fahrenheit and t in minutes. A physical principle known as Newton’s Law of Cooling tells us that dT/dt = -1/15T+5 15T + 5. a) Supposes that T(0) = 105. What does ...
Sunday, November 30, 2014 at 8:30pm

Physical Education
What traditions have grown around baseball?
Sunday, November 30, 2014 at 2:38am

Chemistry
please help! I don't understand any of this. Using the Solubility Rules, write the balanced molecular, total ionic, and net ionic equations (including physical states) for the following: Hints: There is no such thing as an Na3+. Na is in group 1A, so you know it can only ...
Wednesday, November 26, 2014 at 3:19pm

Chemistry
1. Write a balanced molecular equation for the reaction of solid AgNO3 with aqueous NaCl. Be sure to include the correct number of coefficients and the state of the species (aq, s, l or g). 2. Write the total ionic equation for this reaction, including all physical states. 3. ...
Wednesday, November 26, 2014 at 3:17pm

Health And Physical Ed
true or false the main process for digestion takes place in the stomach true false*** regular excersise stimulates_____which keeps the skeletal muscles moving to assist in digestion and excretion. peristalis ures digestion*** villi the main process of excretion takes place in ...
Sunday, November 23, 2014 at 6:20pm

Health And Physical Ed
1. during the exchange of air in your lungs, oxygen is being taken into your bloodstream while this substance is being released microorganisms carbon dioxide*** plasma mucus 2. the gas exchange of oxygen to the bloodstream takes place in what part of respiratory system? ...
Sunday, November 23, 2014 at 5:06pm

physical chemistry
Please prepare 0.5L of 1.2M HCl in 50% (v/v) aqueous methanol. The details of HCl are as follows: Hydrochloric acid: Purity : 36%-38% Density : 1.18g/mL Physical state : liquid Molecular weight : 36.42 g/mol Describe the procedures and apparatus you need to use for the ...
Saturday, November 22, 2014 at 8:50pm

Living a Healthy Life
Some child psychologists have concluded that _______ is the strongest predictor of both scholastic and career achievement. A. respect for authority B. inherited intelligence C. emotional well-being D. physical illness C.
Friday, November 21, 2014 at 10:05pm

Living a Healthy Life
A child who has to struggle to climb into a chair is confronting a(n) _______ hazard. A. environmental B. biological C. physical D. ergonomic C.
Friday, November 21, 2014 at 9:04pm

Foundation of a Healthy Lifestyle
One reason early childhood education centers have become increasingly important providers of health education is that A. younger, healthier teachers and classroom aides have emerged. B. schools are more sanitary than 70 percent of home environments. C. working parents are ...
Thursday, November 20, 2014 at 9:11pm

Foundation of a Healthy Lifestyle
A strategy for health promotion among infants, toddlers, and young children focuses on educational programs, physical fitness, activities, and A. tobacco, alcohol, and drug use. B. family planning. C. nutrition. D. mental health and mental disorders. C.
Thursday, November 20, 2014 at 6:35pm

Foundation of a Healthy Lifestyle
Neuron development and elaboration, which occurs between birth and age 10, is prompted by A. intake of foods rich in vitamins and minerals. B. physical movement on the part of the child. C. aural prompts from the family, school, and environment. D. exposures to different ...
Thursday, November 20, 2014 at 5:48pm

Foundation of a Healthy Lifestyle
which of the following are the three major types of knowledge identified by Piaget? A. Linguistic, physiological, and arithmetical B. Physical, logicalmathematical, and social C. Micro, meso, and exo D. Subjective, objective, and hyperconscious B.
Thursday, November 20, 2014 at 5:26pm

Foundation of a Healthy Lifestyle
What are the three main factors in a readiness model? A. Maturation, learning, and motivation B. Psychological, social, and physical C. Age, intelligence, and agility D. Height, weight, and age A.
Thursday, November 20, 2014 at 5:18pm

English HELP!
The Americans with Disabilities Act claims that "The continuing existence of unfair and unnecessary discrimination and prejudice denies people with disabilities the opportunity to compete on an equal basis." Why do the authors include Part 4 in this section? How is ...
Wednesday, November 19, 2014 at 1:24pm

child developement
compare 3 children 4 years, 18 months, 10 years to physical or cognitive growth
Wednesday, November 19, 2014 at 12:55pm

physical science
A 3Kg bar of aluminum has to be heated form 25 degreesC to 75 degreesC . how many calories are needed to achieve this temperature increase?
Tuesday, November 18, 2014 at 7:26pm

Physical Education
Your body can get antibodies from? A. Immunizations. B. Being exposed to the virus or antibody and having your immune system make it. C. None of the above D. All of the above D? I don't know though becuase All of the above is under none of the above. Im really confused.
Tuesday, November 18, 2014 at 4:33pm

physical
What is the value of the normal force if the coefficient of kinetic friction is 0.22 and the kinetic frictional force is 40 newtons?
Monday, November 17, 2014 at 3:58pm

Science 8A Check Answers
Will someone please check my answers as I need lots of help in science. 1. Which of the following is an example of matter? A. leaves B. shadow C. light from the sun* D. sound 2. Which of the following is an example of a chemical property of matter? A. ability to melt B. ...
Monday, November 17, 2014 at 11:54am

physical education
A 1kg ball is tossed straight up with a kinetic energy of 196J. How high does it go.
Sunday, November 16, 2014 at 4:54pm

statistics
A Coach found the correlation between physical fitness and athletic ability to be r=.65. the mean and standard deviation of the physical fitness test was 330, 50. the mean and standard deviation of the athletic ability test was 9, 2. If you have a physical fitness score of 350...
Sunday, November 16, 2014 at 1:46pm

Physical science
A car accelerates at 1.6m-sec along a straight road for 10s then moves at a constant speed for 20s calculate the distance for the first 10s
Saturday, November 15, 2014 at 8:12am

Physical science
A car accelerates at 1.6m.sec along a straight road for 10s then moves at a constant speed for 20s calculate the distance travelled at constant speed
Saturday, November 15, 2014 at 8:09am

Physical science
A car accelerates at 1.6m.sec along a straight road for 10s then moves at a constant speed for 20s calculate speed after the first 10s
Saturday, November 15, 2014 at 8:06am

Physical science
A-b is 50m and b-c is 120 determine the displacement from a-c
Saturday, November 15, 2014 at 7:59am

Physical science
A-b is 50m and b-c is 120 calculate how long it will take to ride fro A to C as he rides at 5m per sec?
Saturday, November 15, 2014 at 7:36am

Physical science
A-b is 50m and b-c is 120 calculate the total distance
Saturday, November 15, 2014 at 7:33am

physical
help the positions of two particles A and B are P1 (3,4) in meters and P2 ( -3, -4 ) meters respectively. Meters the position A with respect to B is:
Friday, November 14, 2014 at 10:07pm

Science Help!
Johhny left a glass of milk on his bedside table for a week, and it spoiled. At the end of the week, the glass contained a yellow liquid with white chunks, and there was a terrible odor. What can be concluded? A. The milk has undergone a physical change. B. The mass of the ...
Friday, November 14, 2014 at 7:34pm

Health And Physical Ed
The best thing to put on severe sunburn to help relieve the pain is>
Friday, November 14, 2014 at 12:29pm

Physical science
consider a flat square coil with 10 turns. The coil is 1m wide on each side and has a magnetic field of 1,0T passing through it. The plane of the coil is perpendicular to the magnetic field: the field points out of the page. Use faraday's law to calculate the induced emf, ...
Thursday, November 13, 2014 at 4:53pm

Biochem
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 10th ...
Thursday, November 13, 2014 at 8:07am

Early Childhood
When a teacher does NOT allow a girl to participate in a physical education class because she is dressed in a skirt, the teacher is contributing to: a. cultural difference b. gender inequity c. differential treatment d. sexism Think it may be (b) because of the unequal ...
Tuesday, November 11, 2014 at 2:18pm

Physical Science
The sun's energy melts part of a glacier of ice at 0 degrees Celsius. The sun supplies 880 kilocalories to a big glacier of ice at 0 degrees Celsius. How many kilograms of ice will melt into liquid water at 0 degrees Celsius?
Tuesday, November 11, 2014 at 8:47am

Psychology
1. Which of the following is NOT an empirical question? A. Are women more talkative than men? B. Is dieting an effective weight loss strategy? C. Should we prohibit cell phone use while driving? D. Does cognitive psychotherapy help depressed people? 2. The tendency to notice ...
Tuesday, November 11, 2014 at 4:00am

Physical Science
You supply 400 kilocalories of heat energy to a block of ice, with a mass of 14 kg. What will be the outcome?
Monday, November 10, 2014 at 7:56am

Physical Science
The sun's energy melts part of a glacier of ice at 0 degrees Celsius. The sun supplies 880 kilocalories to a big glacier of ice at 0 degrees Celsius. How many kilograms of ice will melt into liquid water at 0 degrees Celsius?
Monday, November 10, 2014 at 7:54am

creative writing
1. Poetry that is short in length and focuses on feelings and thoughts of the speaker or narrator is called:(Points : 3) narrative lyric a ballad a haiku 2. What is the rhyme scheme of most limericks?(Points : 3) AABBA ABBBA ABCABC AAAAB 3. Which is true about most narrative ...
Sunday, November 9, 2014 at 8:04pm

physical science
Sophia exerts a steady 40-N horizontal force on a 8-kg box resting on a lab bench. The box slides against a horizontal friction force of 24 N. Show that the box accelerates at 2 m/s2.
Sunday, November 9, 2014 at 11:17am

physical science
John is using a pulley to lift the sail on his sailboat. The sail weighs 150 N, and he must lift it 4.0 m. A. How much work must be done on the sail? B. If the pulley is 50% efficient, how much work must John do on the rope to lift the sail?
Thursday, November 6, 2014 at 9:34pm

physical science
A river does 6,500 j of work on a water wheel every second. The wheel efficiency is 12%. A. How much work in joules can the axle of the wheel do? B. What is the power output of the wheel in 1 s?
Thursday, November 6, 2014 at 9:30pm

physical science
A roller coaster car rapidly picks up speed as it rolls down a slope. As it starts down the slope, its speed is 4.25 m/s. But 3.2 s later, at the bottom of the slope it's speed is 22.75 m/s what is its average acceleration
Thursday, November 6, 2014 at 9:26pm

physical science
Calculate the kinetic or potential energy in joules for each of the following situations: A. A 2.5 kg book is held 2.0 m above the ground. B. A 15 g snowball is moving through the air at 3.5 m/s. C. A 35 kg child is sitting at the top of a slide that is 3.5 m above the ground...
Thursday, November 6, 2014 at 9:24pm

physical science
What is the kinetic energy of a 0.02 kg bullet that is traveling 300 m/s? Express your answer in joules.
Thursday, November 6, 2014 at 9:18pm

Science HELP
Sodium is a metal and chlorine is a poisonous gas. Neither is safe to eat. However, when sodium and chlorine combine, it produces edible table salt. What can be concluded? A. Table salt has similar physical properties of both reactants. B. Table salt is a metalloid with ...
Thursday, November 6, 2014 at 8:32pm

Health and Physical Education 8 - It's urgent!
Please check my answers because I need to do good at this. 1. When consuming fats the healthiest choice is foods high in? A. saturated fats B. unsaturated fats * C. trans fat D. cholesterol 2. The body's main energy source should come from what essential nutrient? A. ...
Thursday, November 6, 2014 at 3:54pm

reading
The family was poor. It was "poor but proud." The confused boy grew up thinking one should be proud of being poor. One of the in-laws slipped around occasionally and made liquor. He had plenty of cash, did not read books, and was tolerated but not admired. A cousin ...
Thursday, November 6, 2014 at 10:49am

Physical Education 8A
Will someone please check my answers? I starred my answers. 1. A person who does not recognize the signs of mental illness may not know he needs help. A. True* B. False 2. Which of the following is not a sign of psychotherapy? A. insight B. cognitive* C. medications D. group 3...
Tuesday, November 4, 2014 at 3:26pm

stats
A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 460 seconds and a standard deviation of 50 seconds. Between what times ...
Tuesday, November 4, 2014 at 2:45pm

physical eduaction
Which of the following does NOT describe the concept of Growth? (Points : 1) a. measured quantitatively b. physical change c.influenced by children’s abilities d. increase in bone size
Monday, November 3, 2014 at 1:35pm

physical science check asap
1. Tommy performed an experiment to test the solubility of sodium chloride in water. After he completed his experiment, he discovered that he had a few unused grams of NaCl leftover in a beaker. What should he do with the excess NaCl? A. Pour the excess back into the original ...
Monday, November 3, 2014 at 12:20pm

physical science
1. Tommy performed an experiment to test the solubility of sodium chloride in water. After he completed his experiment, he discovered that he had a few unused grams of NaCl leftover in a beaker. What should he do with the excess NaCl? A. Pour the excess back into the original...
Monday, November 3, 2014 at 11:50am

essay edit
Can someone look over this? I've been working on wordiness, sentence structure, and repetition. Tangled and its Hidden Critique of Rapunzel Peeking at the mere surface of the film Tangled (2010) directed by Nathan Greno and Brian Howard, most would presume that it is ...
Sunday, November 2, 2014 at 1:01pm

essay excerpt edit
can someone edit this? To contrast, in the film Tangled (2010) the mother of Rapunzel, who is exhibited as a Queen, also falls ill, although it is due to legitimate medical ailments, as opposed to a sense of helplessness. She is then limited to a bedridden state while pregnant...
Sunday, November 2, 2014 at 8:15am

physical eduaction
what can potentially have the most impact on physical education outcomes other than class size? a .type of equipment used b. amount of equipment available c. attitude of the classroom teacher d. lack of funding for equipment
Saturday, November 1, 2014 at 2:40pm

physical science
A gold bar has a mass of 250 grams and is heated from 25 degrees Celsius to 55 degrees Celsius. How much heat did the gold bar absorb? The specific heat of gold is 0.13J/g*degrees C.
Saturday, November 1, 2014 at 2:35pm

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 37 and a standard deviation of 3. Using the empirical rule (as presented...
Friday, October 31, 2014 at 12:22pm

Physical sciences
The meaning of the term SPECIFIC HEAT CAPACITY for a substance
Friday, October 31, 2014 at 12:17am

Health
What is physical stress? A. A physical reaction to the heart to various triggers B. A physical reaction of the body to various triggers C. A physical reaction of the soul to various triggers D. A physical reaction of the mind to various triggers B
Thursday, October 30, 2014 at 5:52pm

The practice of working with school age children
Which of the following sets standards for physical environments to be accessible and appropriate for children with special needs? A. SACERS B. SRTS C. ADA D. WIA C.
Wednesday, October 29, 2014 at 7:42pm

The practice of working with school age children
When planning outdoor games, a caregiver should develop a wide selection of choices because A. the children have already played the most popular games at school. B. some games go out of date and can't be used. C. a caregiver should be in good physical condition before ...
Wednesday, October 29, 2014 at 7:19pm

Physical science
Think Critically. The mechanical advantage of a machine is less than one. Compare the distances over which the input and output forces are applied.
Wednesday, October 29, 2014 at 5:21pm

ms. sue
Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements about the solar system&#...
Wednesday, October 29, 2014 at 4:30pm

science
Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements about the solar system&#...
Wednesday, October 29, 2014 at 4:19pm

Calculus HELP PLEASE!
Need help on this problem please! Been stuck for half hour trying to figure it out but I can't get through a. A and B look to be similar but I don't know how to do them! Please help! ----------------------------------- The resistance of blood flow, R, in a blood vessel...
Tuesday, October 28, 2014 at 10:46pm

Calculus 1
The resistance of blood flow, R, in a blood vessel is dependent on the length of the blood vessel, the radius of the blood vessel, and the viscosity of the blood. This relationship is given by R = 8Lη/πr^4 where r is the radius, L is the length, and the positive ...
Tuesday, October 28, 2014 at 5:05pm

The practice of working with school age children
Which of the following are the major determinants of physical growth and development? A. Food, TV, and technology B. Heredity, parents, and school C. Intelligence, cleanliness, and aggression D. Nutrition, emotional well-being, and culture D.
Tuesday, October 28, 2014 at 4:29pm

Calculus 1
The resistance of blood flow, R, in a blood vessel is dependent on the length of the blood vessel, the radius of the blood vessel, and the viscosity of the blood. This relationship is given by R = 8Lη/πr^4 where r is the radius, L is the length, and the positive ...
Tuesday, October 28, 2014 at 4:18pm

Physical Science
A 5.00 kg block of ice at –25 oC is converted to steam at 125 oC. How much energy (in kilojoules) is expended in this process? The following data are provided: a. Specific heat of ice = 2.092 J/g oC b. Latent heat of fusion = 334.72 J/g c. Specific heat of water = 4.184 J...
Monday, October 27, 2014 at 4:44pm

Physical Science
Lead is a soft, dense metal with a specific heat of 0.117 J/goC, a melting point of 328.0 oC, and a heat of fusion of 23012 J/g. How much heat (in kilojoules) must be provided to melt a 350.0 kg sample of lead that is initially at 20 oC?
Monday, October 27, 2014 at 4:37pm

Physical Science
Jill walks 1 mile everyday for exercise, leaving her front porch at 9:00 A.M. and returning to her front porch at 9:25 A.M. What is the total displacement of Jill's walk?
Monday, October 27, 2014 at 3:50pm

ga history
1. which economic activities are most dependent on georgia's climate? a lumber and mining b imports and exports c agriculture and tourism d transportation and telecommunications 2. the boundary between the piedmont and the coastal plain is known as the a foothills b fall ...
Monday, October 27, 2014 at 12:33pm

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