Sunday

February 1, 2015

February 1, 2015

Number of results: 87,501

**physics - runner**

While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body mass. If a 60 kg person develops a power of 78 W during a race, how fast is the person running? (Assume a running step is 1.5 m long.)
*June 4, 2010 by lau*

**Physics**

While running, a person dissipates about 0.6 J of mechanical energy per step per kilogram of body mass. If a 60-kg person runs with a power of 70 Watts during a race, how fast is the person running? Assume a running step is 1.5 m long.
*July 9, 2010 by Deanna*

**Physics 111**

While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body mass. If a 62 kg person develops a power of 67 W during a race, how fast is the person running? (Assume a running step is 1.5 m long.)
*October 14, 2010 by Blake *

**Physics**

While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body mass. If a 61-kg person develops a power of 75 W during a race, how fast is the person running?
*October 12, 2013 by Anonymous*

**Physics**

A person consumes 2500 kcal/day while expanding 3500 kcal/day. In a months' time, about how much weight would this person lose if the loss were essentially all from body fat? (Body fat has an energy content of about 4100 kcal per pound).
*November 19, 2012 by T*

**physics**

The figure below shows the speed of a person's body as he does a chin-up. Assume the motion is vertical and the mass of the person's body is 73.4 kg. Determine the force exerted by the chin-up bar on his body at the following times. t=0s, speed= 0cm per second; t= .5s, speed= ...
*October 10, 2010 by Amber*

**Physics- LOST!**

If the air temperature is the same as the temperature of your skin (about 30.0 C), your body cannot get rid of heat by transferring it to the air. In that case, it gets rid of the heat by evaporating water (sweat). During bicycling, a typical 70.0 kg person's body produces ...
*December 3, 2007 by Jamie*

**chemistry**

a resting person requires 14.5 L of O2 per hour to maintain metabolic activities. Such a person breathes in 0.50 L of air at approximately 20 degrees C with each breath. The inhaled air is 20.9%O2 while the exhaled air is 16.3% O2. (a) how many breaths per minute does a ...
*November 19, 2009 by Joe*

**physics**

which statement is true about weight 1) pull of earth on a body 2) mass of a body 3) scalar quantity 4) unit per kilogram
*November 25, 2011 by sahar*

**physics**

which statement is true about weight 1) pull of earth on a body 2) mass of a body 3) scalar quantity 4) unit per kilogram
*November 25, 2011 by sahar*

**physics**

The basal metabolic rate is the rate at which energy is produced in the body when a person is at rest. A 70.0 kg person of height 1.79 m would have a body surface area of approximately 1.90 m^2. What is the net amount of heat this person could radiate per second into a room at...
*December 6, 2009 by AE*

**physics, PLEASE ANSWER, I really need help!**

The basal metabolic rate is the rate at which energy is produced in the body when a person is at rest. A 70.0 kg person of height 1.79 m would have a body surface area of approximately 1.90 m^2. What is the net amount of heat this person could radiate per second into a room at...
*December 6, 2009 by AE*

**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 ...
*October 4, 2014 by dia*

**math**

cellular phone companies. 1. with this plan each person is charged $19.95 per month and $0.31 per minute 2. with this plan each person is charged $40.95 per month and $0.16 per min 3. with this plan each person is charged $80.95 per month with unlimited minutes....define the ...
*September 29, 2013 by louise*

**Chemistry**

There is a patient whose height is 5ft. 4 inches and weight is about 165 lbs. This person needs to have 0.8 mg of medication per kg body weight. How much of medication should this person have? First convert the pounds to kilograms. There are approximately 2.2 pounds per ...
*December 6, 2006 by Allie*

**Engineering Economics**

Sales of bottled water in the U.S totaled 16.3 gallons per person in 2004. Water costs .40 cents per bottle.A municipal company provides tap water for $2.10 per 1000 gallons. If the average person drinks two bottles of water per day or uses 5 gallons per day in getting that ...
*October 10, 2011 by Margie*

**Physic**

A person weighs 872 N in air and has a body fat percentage of 20.7%. a. What is the overall density of this person's body? b. What is the volume of this person's body? c. Find the apparent weight of this person when completely submerged in water.
*April 18, 2010 by Ann*

**physics**

A resting person requires 14.5 L of oxygen per hour to maintain metabolic activities. Such a person breathes in 0.480 L of air at approximately 25.0 degrees celsius with each breath. The inhaled air is 20.9% while the exhaled air is 16.3%. How many oxygen molecules does a ...
*December 3, 2009 by AE*

**algebra**

A store mixes kenyan coffee worht $12 per kilogram and turkish coffee worth $16 per kilogram the mixture is to sell for $14 per kilogram how much of each should be used to make a 348-kilogram mixture?
*March 18, 2013 by ana*

**math**

A store mixes Brazilian coffee worth $11 per Kilogram, Turkish coffee worth $13 per kilogram. The mixture is to sell for $12 per kilogram. Can you help me find how much of each should be used to make a 564- Kilogram of both mixtures please and thank you.
*December 8, 2011 by Mandy*

**physics please help**

How many grams of carbohydrate does a person of mass 75 kg need to metabolize to climb five flights of stairs (15 m height increase)? Each gram of carbohydrate provides 17.6 kJ of energy. Assume 10.0% efficiency—that is, 10.0% of the available chemical energy in the ...
*June 11, 2012 by Nasir*

**maths**

The ‘body mass index’ is used to find the body weight that is appropriate for a person’s height. It is calculated using the formula. I = W (I = W divided by H squared) H 2 Where I is the body mass, W is the person’s weight in kg, and H is the person’s height in metres. If the ...
*May 12, 2007 by katie*

**Phsyics Plz Help**

How many grams of carbohydrate does a person of mass 75 kg need to metabolize to climb five flights of stairs (15 m height increase)? Each gram of carbohydrate provides 17.6 kJ of energy. Assume 10.0% efficiency—that is, 10.0% of the available chemical energy in the ...
*June 11, 2012 by Nasir*

**Algebra**

The formula to compute a person's body mass index is B=703*w/h2 B represents the body mass index, w is the person's weight in pounds and h represents the person's height in inches. I need to: a. solve the formula for w. b. What is the weight to the nearest pound of a person ...
*October 14, 2009 by Tyler*

**Algebra**

Two varieties of herbal tea, one cost $4.00 per kilogram other cost $5.00 per kilogram. How many kilograms of each type are needed to make 20kg of a blend worth $4.60 per kilogram?
*May 24, 2010 by TinaG*

**Algebra**

Two kinds of nuts, one cost $5.00 per kilogram another cost $5.40 per kilogram. How many kilograms of each type of nut should be mixed in order to have 40 kg of a mixture worth $5.25 per kilogram?
*May 24, 2010 by TinaG*

**12th grade calculus**

your operate a tour service that offers the following rate: $200 per person if 50 people (the minimum number to book the tour) go on the tour for each additional person, up to a maximum of 80 people total, the rate per person is reduced by $2 it cost $6000 (a fixed cost) plus...
*November 18, 2008 by dt*

**math**

A store mixes Kenyan Coffee worth $11 per Kilogram and venezuelan coffee worth $14 per Kilogram. The mixture is to sell for $12 per kilogram. Find out how much of each should be used to make a 396-Kilogram Mixture
*September 27, 2011 by Catherine*

**Math**

A store mixes Brazilian coffee worth $10 per kilogram and Turkish coffee worth $12 per kilogram. The mixture is to sell for $11 per kilogram. Find out how much of each should be used to make a 216 kilogram mixture.
*October 6, 2012 by Curt*

**Physics**

A person's body is producing energy internally due to metabolic processes. If the body loses more energy than metabolic processes are generating, its temperature will drop. If the drop is severe, it can be life-threatening. Suppose a person is unclothed and energy is being ...
*December 7, 2012 by Confused*

**math**

average cost for traning is $200 per hour per person 60 person is employs and scheduled for 25hours per year. how much would it cost
*October 13, 2014 by milton*

**AP Physics - Linear Momentum**

During a Chicago storm, winds can whip horizontally at speeds of 100 km/h. If the air strikes a person at the rate of 40 kg/s per square meter and is brought to rest, estimate the force of the wind on a person. Assume the person is 1.50m high and 0.50m wide. Compare to the ...
*October 16, 2009 by Henry*

**statistics**

Burning fuels in power plants or motor vehicles emit carbon dioxide, which contributes to global warming. Table 1.3 displays CO2 emissions per person from countries with populations of at least 20 mil. Why do you think we choose to measure emissions per person rather than CO2 ...
*January 10, 2010 by Kelly*

**science**

A sedentary person requires about 6 million J of energy per day. This rate of energy consumption is equivalent to about how many W?
*February 17, 2008 by janeen*

**maths**

The ‘body mass index’ is used to find the body weight that is appropriate for a person’s height. It is calculated using the formula. I = W/H^2 Where I is the body mass, W is the person’s weight in kg, and H is the person’s height in metres. Use the formula to find the body ...
*May 9, 2007 by katie*

**physics**

A person's body is producing energy internally due to metabolic processes. If the body loses more energy than metabolic processes are generating, its temperature will drop. If the drop is severe, it can be life-threatening. Suppose a person is unclothed and energy is being ...
*April 18, 2012 by anonymous *

**Physics**

Sweating is one of the main mechanisms with which the body dissipates heat. Sweat evaporates with a latent heat of 2430 kJ/kg at body temperature, and the body can produce as much as 1.3 kg of sweat per hour. If sweating were the only heat dissipation mechanism, what would be ...
*December 2, 2011 by Allie*

**Math**

A candy store currently sells almonds for $8.50 per kilogram and peanuts for $4.50 per kilogram. It wants to create 20 kilograms of mixed nuts that will equivalently sell for $5.30 per kilogram. How many kilograms of almonds should they use?
*May 6, 2013 by Bob*

**math**

A candy store currently sells almonds for $8.50 per kilogram and peanuts for $4.50 per kilogram. It wants to create 20 kilograms of mixed nuts that will equivalently sell for $5.30 per kilogram. How many kilograms of almonds should they use?
*May 6, 2013 by Narendra *

**AP Physics**

Hi im new so maybe one of you can help me understand this question, can't find it anywhere in the book. A person weighs 723N in air and has a body-fat percentage of 29.3% . What is the overall density of this person's body? What is the volume of this person's body? Find the ...
*December 3, 2009 by Danny*

**Physics**

Hi im new so maybe one of you can help me understand this question, can't find it anywhere in the book. A person weighs 723N in air and has a body-fat percentage of 29.3% . What is the overall density of this person's body? What is the volume of this person's body? Find the ...
*December 3, 2009 by Danny*

**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. Is this true or false/
*September 14, 2012 by Marie*

**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.
*September 22, 2013 by Anonymous*

**chemistry**

A 43 kg person drinks 490 g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 16% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake? [Hint: The work done in ascending is given by ...
*September 26, 2008 by jamie*

**chemistry**

A 51 kg person drinks 330. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 18% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake? [Hint: The work done in ascending is given by ...
*September 18, 2011 by Ellie*

**chemistry**

A 51 kg person drinks 270. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 15% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake? [Hint: The work done in ascending is given by ...
*September 19, 2011 by Anonymous*

**science**

A 49 kg person drinks 270. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 16% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake? [Hint: The work done in ascending is given by...
*September 14, 2012 by Alyssa*

**Calculus**

A travel agency currently has 80plp signed up a tour. The price of a ticket is $5000 per person. The agency has chatered a plane seating 150 plp at a cost of $250000. Additional costs to the agency are incidental fees of $300 per person. For each $30 that the price is loverwd...
*June 19, 2010 by Adeola*

**college algebra**

store mixes a Brazilian coffee worth worth $10 per kilogram and a turkish coffee worth $13 per kilogram. The mixture is to sell for $12 per kilogram. Find out how much of each should be used to make a 420-kilogram mixture. my calculations all came out super wrong
*August 22, 2014 by college*

**Physics 11**

Two people start running from rest. The first person has a mass of 59 kg and is wearing dress shoes with a coefficient of static friction of 0.52. The other person is wearing running shoes with a coefficient of static friction of 0.66. Explain why we do not really need the ...
*March 31, 2013 by Anonymous*

**OOP(netbeans)**

Write a program that accepts a person’s weight and displays the number of calories the person needs in one day. A person needs 19 calories per pound of body weight, so the formula expressed in Java is Calories = bodyweight * 19;
*March 9, 2013 by kchik*

**Algebra**

It is estimated that each cigarette a person smokes shortens that person's life by the amount of time she or he took to smoke it plus ten minutes. Write an algebraic rule that determines the number of minutes (t) a person's life is shortened by smoking c cigarettes per day for...
*August 25, 2010 by Kendra*

**Algebra Help**

It is estimated that each cigarette a person smokes shortens that person's life by the amount of time she or he took to smoke it plus ten minutes. Write an algebraic rule that determines the number of minutes (t) a person's life is shortened by smoking c cigarettes per day ...
*August 25, 2010 by Kendra*

**Chem**

if a person inhales 0.1 mol air per breath, and the pressure is 92kpa and body temp is 37 degrees celcius what is the maximum volume of air this person can inhale
*November 26, 2014 by Anonymous*

**Physics**

Biomedical measurements show that the arms and hands together typically make up 13.0% of a person's mass, while the legs and feet together account for 37.0% . For a rough (but reasonable) calculation, we can model the arms and legs as thin uniform bars pivoting about the ...
*February 23, 2012 by john*

**Physics**

A person is standing outdoors in the shade where the temperature is 22 °C. (a) What is the radiant energy absorbed per second by his head when it is covered with hair? The surface area of the hair (assumed to be flat) is 180 cm2 and its emissivity is 0.84. (b) What would be ...
*April 30, 2013 by Tim*

**Physics help please!!!**

Biomedical measurements show that the arms and hands together typically make up 13.0% of a person's mass, while the legs and feet together account for 37.0% . For a rough (but reasonable) calculation, we can model the arms and legs as thin uniform bars pivoting about the ...
*February 23, 2012 by john*

**physics**

Running at 2.0 m/s a 45.0 kg person collides with a 90.0 kg person who is traveling at 7.0 m/s in the other direction. Upon collision, the 90 kg person continues to travel forward at 1.0 m/s. How fast is the 45 kg person knocked backwards?
*November 29, 2011 by Jane*

**Physics**

A 60.0 kg runner expends 355 W of power while running a marathon. Assuming that 8.00% of the energy is delivered to the muscle tissue and that the excess energy is primarily removed from the body by sweating, determine the volume of bodily fluid (assume it is water) lost per ...
*May 1, 2010 by Kelsey*

**algebra 2**

A drama club is planning a bus trip to new york city to see a broadway play. the cost per person for the bus renatl varies inversely as the number of people going on the trip. It will cost $30 per person if 44 people go on the trip. How much will it cost per person if 20 ...
*May 19, 2014 by Amy*

**chemistry**

The typical person needs a 2000 calorie diet to sustain “normal” activity. Nowadays, a lot of the energy in American diet comes from fats and sugars. Assume that “fats” provide 9.0 calories per gram and sugars (treat as glucose) provide 4.5 calories per gram. If your “typical...
*September 13, 2014 by Ashley*

**Math**

A theatre company allows a group of 10 people to buy theatre tickets at a price of $28 per person. For each person in excess of 10, the price is decreased by $2 per person for everyone down to a minimum of $10 per person. What number of people will produce the maximum revenue ...
*October 17, 2014 by Mathgirl730*

**PHYSÝCS**

Suppose a person metabolizes 2150 kcal/day. a) With a core body temperature of 37.1°C and an ambient temperature of 21.3°C, what is the maximum (Carnot) efficiency with which the person can perform work? b) If the person could work with that efficiency, at what rate, in watts...
*January 6, 2012 by melisa*

**physics**

Suppose a person metabolizes 2250 kcal/day. a) With a core body temperature of 36.9°C and an ambient temperature of 21.5°C, what is the maximum (Carnot) efficiency with which the person can perform work? b) If the person could work with that efficiency, at what rate, in watts...
*December 18, 2012 by helena*

**physics**

A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.596 rev/s. A 59.4 kg person running tangential to the rim of the merry-go-round at 3.68 m/s jumps onto its rim and holds on. Before jumping on the merry-go-round, the person...
*June 6, 2007 by PHYChica*

**Physics**

A children merry go round in the consist of 300 kg solid horizontal disk of radius 8.5 m. It rotates at a speed of .25 revolution per second while a person of mass 150 km takes a ride at the edge of the disk. How fast will the disk be rotating if the person walks 4m along the ...
*December 14, 2013 by Tsunayoshi*

**reading/english**

Carbohydrates are various combinations of sugar units, or saccharides, and are the major energy source for the body. Each gram of carbohydrate contains four calories. The average person requires approximately 2,000 calories per day. Since about 60 % of our calories come from ...
*September 30, 2009 by jerson*

**physics**

A person of mass 60 kg is standing on a raft of mass 40kg in a lake. The distance of a person from bank is 30m. If a person starts running towards bank with velocity 10m/s then his distance from bank after 1s will be ?? And explain with diagram and proper steps
*September 16, 2014 by saira*

**math**

it is estimated that in an average lifetime a person watches about 105,000 hours of TV. at this rate, about how many hours per day does a person watch TV?
*June 6, 2012 by Celest*

**math**

The price per person of renting a boat varies inversely with the number of people renting the boat. It costs $20 per person if 27 people rent the boat. How much will it cost per person if 95 people rent the boat?
*May 11, 2011 by Anonymous*

**Algebra**

A store mixes Kenyan coffee worth $11 per kilogram and Turkish coffee worth $13 per kilogram. The mixture is to sell for $12 per kilogram. Find how much of each should be used to make a 348-kilogram mixture. How many kilograms of the Kenyan coffee should be in the mixture?
*March 5, 2013 by Chuck*

**physics**

A person is standing on and facing the front of a stationary skateboard while holding a construction brick. The mass of the person is 87.0 kg, the mass of the skateboard is 4.10 kg, and the mass of the brick is 2.50 kg. If the person throws the brick forward (in the direction ...
*January 15, 2015 by Daniel*

**finite math **

Candy costing 1.25 per kilogram was mixed with candy costing 1.65 per kilogram to produce 10 kilograms of a candy mixture worth 1.40 per kilogram. find how may kilograms of each was used.
*September 28, 2010 by remina *

**Chemistry**

From this equation, how many glocose does the human body consume ineach minute? If gram per mole is 180.16. The human body needs at least 0.0103 mole O2. Equation C6 H12 O6 + 6O2-->6CO2 +6HO2 How many glucose what? grams? moles? tons? Mext, the human body needs at least 0....
*March 25, 2007 by Jerremy*

**PHYSICS**

Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average power per kilogram generated by Lance Armstrong (m = 75.0 kg) is 6.50 W per kilogram of his body mass. (a) How much work does he do during a 117-km race in which his average ...
*February 24, 2011 by Tiffany*

**physics**

Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average power per kilogram generated by Lance Armstrong (m = 75.0 kg) is 6.50 W per kilogram of his body mass. (a) How much work does he do during a 123-km race in which his average ...
*February 28, 2011 by heather*

**physics**

a person 0f mass m = 60 kg walks along the radius from the periphery to the center of a circular platform of moment of inertia= 200kgm square and radius r = 3m. the disk is a rotating frictionless with angular velocity= 0.3 rad\s.find the angular velocity of the system when ...
*May 1, 2012 by John*

**Biophysics**

Assume a liter of milk has an activity of 2400 pCi due to 40K. If a person drinks 2 glasses (0.460 l) per day, estimate the total dose (rem) received in a year. As a crude model, assume the milk stays in the stomach 13.5hr and is then released. Assume also that 15.0 percent of...
*April 22, 2008 by Sandhya*

**Physics**

11) Assume a liter of milk has an activity of 2400 pCi due to 40K. If a person drinks 2 glasses (0.460 l) per day, estimate the total dose (rem) received in a year. As a crude model, assume the milk stays in the stomach 13.5hr and is then released. Assume also that 15.0 ...
*April 24, 2008 by Sandhya*

**Physics**

In a ferris wheel, one person is at the top and another at the bttom. The ferris wheel rotates such that the magnitude of the tangetial velocity of each person is equal |v|top=|v|bottom. Determine for the person at the bottom, the force the seat exerts on the person. Use a ...
*October 26, 2009 by rasuka_geo*

**physics**

S.O.S!!! In terms of saving energy, bicycling and walking are far more efficient means of transportation than is travel by automobile. For example, when riding at 15.0 mi/h, a cyclist uses food energy at a rate of about 400 kcal/h above what he would use if he were merely ...
*September 27, 2010 by Frankie *

**Calculus**

(Chemistry: Wind Chill) At 0℃ the heat loss H (in kilocalories per square meter per hour) from a person’s body can be modeled by H = 33(10√v - v + 10.45) where v is the wind speed (in meters per second). Find dH/dv and interpret its meaning. I am pretty confident ...
*March 19, 2009 by Mabeuf*

**Spanish**

What is this asking? ¿Cómo eres? choices would be: This question asks about about a person's health about what a person is like how a person is feeling today what a person is wearing I think it is about a person's health or how a person is feeling today? Thank you
*December 21, 2010 by Jeremy*

**math**

Please explain in detail on how to solve: In 2000, the U.S. government owed about $4.63 trillion to its creditors. The population of the US was282.4 million people. How much did the government owe per person in 2000? Round to the nearest dollar. In 2005, the debt had grown to ...
*January 5, 2012 by Jane*

**Biomechanics**

A person with a body mass of 65 kg was running over level ground with a strong tailwind, while wearing a 10 kg weighted vest. The tailwind applied a force of 125 N to the runner’s body in the horizontal direction. Early in the stance phase, the runner generated a vertical ...
*April 6, 2014 by Brendan *

**IPC (different one)**

Select all that apply. A 0.200-kilogram ball sits on a shelf 2.00 meters from the floor and then falls to a point 1.00 meter from the floor. Ignoring any affects due to friction, at this position _____. 1) its mechanical energy is 3.92 J 2) its potential energy is 3.92 J 3) ...
*January 3, 2011 by Prue*

**physics **

Q.1.Find the total mechanical energy in one time period? my sir says that it is (1/2)mw^2A^2 but according to me it should be 1/4mw^2A^2.How? Q.2.The total mechnical energy of a spring mass system in SHM is E = (1/2)mw^2A^2.Suppose the oscillating particle is replaced by ...
*December 25, 2009 by anonymous*

**maths**

The ‘body mass index’ is used to find the body weight that is appropriate for a person’s height. It is calculated using the formula. I = W/H^2 (I = W divided by H squared) Where I is the body mass, W is the person’s weight in kg, and H is the person’s height in metres. Use the...
*May 10, 2007 by sarah*

**physics**

A person is standing on and facing the front of a stationary skateboard while holding a construction brick. The mass of the person is 89.0 kg, the mass of the skateboard is 4.10 kg, and the mass of the brick is 2.50 kg. If the person throws the brick forward (in the direction ...
*January 15, 2015 by Anonymous*

**Biology(HELP ME!!!)**

An average person blinks their eyes about 20 times per minute. Estimate the number of times a person will blink in 1 year.
*May 23, 2011 by Ashley*

**physics!**

while running a marathon, alex is producing about 900 calories per hour. 1 calorie is 4184 j. if the specific heat of the human body is 3500 j/kg x c, how many degrees celsius would alexs temperature increase if he did not sweat and ran the marathon in 3 h and 10 min? he has a...
*May 22, 2012 by alex*

**science**

The market value in current dollars of all goods and services produced within a country for final use during a year is the a. gross national product. b. gross world product. c. per capital GNP. d. per capita GDP. e. gross domestic product. Developed countries a. are highly ...
*September 3, 2013 by Esa*

**math **

Many people are interested in losing weight through exercise. An important fact to consider is that a person needs to burn off 3,500 calories more than he or she takes in to lose 1 pound, according to the American Dietetic Association. The following table shows the number of ...
*September 26, 2009 by p*

**MATH**

Many people are interested in losing weight through exercise. An important fact to consider is that a person needs to burn off 3,500 calories more than he or she takes in to lose 1 pound, according to the American Dietetic Association. The following table shows the number of ...
*September 26, 2009 by P*

**Algebra**

A grocer mixes together some cashews costing 8$ per kilogram with some nuts costing 10$ per kilogram. The grocer sold 12 kg of the mixture for 8.50$ per kilogram. How many kilograms of cashews were in the mixture? I have to find 2 equations then find the answer most likely ...
*November 16, 2009 by Rebekah*

**physics**

a body of mass 5kg falls vertically against a resistance of x Newtons.The body passes through two points A and B, 2.5 METERS APART with A above B, WHEN TRAVELING WITH SPEED 2 METERS PER SECOND AND 6 METERS PER SECOND RESPECTIVELY. BY ENERGY CONSIDERATION , FIND THE VALUE OF X.
*May 5, 2014 by ken*

**Physics**

A person of mass 55 kg stands at the center of a rotating merry-go-round platform of radius 3.4 m and moment of inertia 670 kg·m2. The platform rotates without friction with angular velocity 1.0 rad/s. The person walks radially to the edge of the platform. (a) Calculate the ...
*January 23, 2011 by Sierra*

**Math**

My daughter's homework and I cant figure it out for the life of me. In America the average person spends about 9.5 billion minutes on the phone a business day. In 1997 the estimated population of Americans the ages of 19-64 is about 163,000,000. About how many minutes does the...
*September 27, 2006 by SherylA*

**College Algebra 2**

The number of kilograms of water in the human body varies dirctly as the mass of the body. An 84-kg person contains 64-kg of water. How many kg of water is in a 63-kg person?
*September 25, 2011 by Francine*

**Math - Algebra (Dry Mix)**

A candy store sells almonds for $18 per kilogram and peanuts for $8 per kilogram. If it sells 20 kilograms of mixed nuts for $10 per kilogram, how many kilograms of almonds are in the mixed nuts?
*September 22, 2013 by Raz*

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