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Search: While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body mass. If a 56 kg person develops a power of 75 W during a race, how fast is the person running? (Assume a running step is 1.5 m long

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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.)
Friday, June 4, 2010 at 12:12pm 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.
Friday, July 9, 2010 at 8:43am 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.)
Thursday, October 14, 2010 at 12:42am 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?
Saturday, October 12, 2013 at 10:00am by Anonymous

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?
Tuesday, November 29, 2011 at 10:00pm by Jane

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 ...
Sunday, March 31, 2013 at 6:02pm by Anonymous

Ratios Math
Please help The following table shows the number of calories burned per hour (cal/h) for a variety of activities, where the figures are based on a 150-pound person. Bicycling 6mi/h 240 Running 10mi/h 1280 Bicycling 12mi/h 410 Swimming 25yd/min 275 Cross-country skiing 700 ...
Saturday, March 1, 2008 at 12:35am by Sherri

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...
Wednesday, June 6, 2007 at 12:59pm by PHYChica

PE
While I'm running the mile I feel a real pain in my legs and always stop after running a couple of laps. How do I jog and not stop even if there is pain
Saturday, November 15, 2008 at 9:32pm by LIza

Physics
While you are sitting on a park bench with your friend, you grab his hat and start running in a straight line away from him. Over the first 49.7m, you accelerate at 1.00m/s^2 up to your maximum running speed. You then continue at you maximum running speed for 7.02s more before...
Saturday, September 29, 2012 at 12:50pm by joane

physics
When you are running and want to stop quickly, you must decelerate quickly. What is the origin of the force that causes you to stop? Estimate the maximum rate of deceleration of a person running at top speed to come to rest.
Friday, September 11, 2009 at 2:00am by perry

physics
If we are running on a threadmill with a speed such that I appear stationary and throw a ball, will the ball go further as compared to one who throws the ball while he is standing stationary. The concern is that though I appear stationary while I am running on a threadmill, I ...
Friday, February 18, 2011 at 12:43am by HK

MAth
help me please 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 ...
Wednesday, July 2, 2008 at 9:57pm by dawn

math questions
Please help me to resolve that sevent questions.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 ...
Sunday, April 1, 2007 at 5:13pm by carmen

Math Rates/proportions
I have two questions that are based on the following chart: Activity Cal/h Bicycling 6mi/h 240 Bicycling 12 mi/h 410 Cross country sking 700 Jogging 5 1/2 mi/h 740 Jumping rope 650 Running 10 mi/h 1,280 Swimming 25 yd/min 275 Swimming 50 yd/min 500 Tennis (singles) 400 Walking...
Friday, May 16, 2008 at 5:59pm by Mary Mac

math
Please help me to resolve that sevent questions.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 ...
Sunday, April 1, 2007 at 5:32pm by carmen

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 ...
Saturday, September 26, 2009 at 1:03am 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 ...
Saturday, September 26, 2009 at 2:03am by P

PHYSICS
a 50 kg person running to the east at 8.5 m/s jumps into a 100 kg initially at rest. A)find the velocity of the wagon and person together as they move away.B) If they coast 30 m before coming to a stop, find the average force of the friction that slows them down.
Wednesday, October 12, 2011 at 9:39pm by ED

Physics
A hitter hits a baseball into the air. The shortstop, who was initially 33.5 meters away, begins running directly away from home plate at 7 m/s at the moment that the ball was hit and catches the ball, while still running, at the same height from which it was hit, 3.2 seconds ...
Thursday, January 17, 2008 at 10:40am by courtney

social studies
a person who is running away is a
Wednesday, September 30, 2009 at 5:57pm by ali

Math
How do you weight probabilities to add up to 1? Example: Chance of rain .25 Chance of person wearing purple hat .1 Chance of person wearing red hat .05 Chance of person wearing black hat .2 Chance of person wearing yellow hat .1 Chance of person wearing white hat .3 So, You ...
Monday, June 17, 2013 at 8:43pm by Karen

physics
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.38 m/s. The car is a distance d away. The bear is 25.4 m behind the tourist and running at 5.88 m/s. The tourist reaches the car safely. What is the maximum possible value for ...
Thursday, December 11, 2008 at 11:03am by Please help!

Physics
A 60.5-kg person, running horizontally with a velocity of +3.76 m/s, jumps onto a 10.4-kg sled that is initially at rest. (a) Ignoring the effects of friction during the collision, find the velocity of the sled and person as they move away. m/s (b) The sled and person coast 30...
Sunday, October 24, 2010 at 4:49pm by Xavier

Statistics
Many times, we are required to use statistical measures to try and construct a problem. We run a program for a 10 different inputs. The times are measures in 1-second intervals and none of them took 0 secs. a. Suppose the standard deviation of a set of times we run the program...
Sunday, June 30, 2013 at 2:51pm by Rubi

social studies
in slavery a person who is running away is a
Monday, April 7, 2008 at 4:46pm by quinten

math check please
would some please check this for me. An important fact to consider is that a person needs to burn off 3,500 calories to lose 1 pound. The following table shows the number of calories burned per hour (cal/h) for a variety of activities, where the figures are based on a 150-...
Monday, January 8, 2007 at 7:45am by tony

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 ...
Thursday, February 23, 2012 at 5:26pm by john

physics
A person jumps off a diving board 4.6 m above the water's surface into a deep pool. The person's downward motion stops 1.6 m below the surface of the water. Estimate the average deceleration (magnitude) of the person while under the water.
Monday, January 9, 2012 at 12:56pm by Anonymous

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 ...
Thursday, February 23, 2012 at 3:55pm by john

physics
Two runners approaching each other on a straight track have constant speeds as shown, while they are 100m apart. How long will it take for the runners to meet if they maintain their respective speeds? one runner is running 4.5m/s while the other is 3.5m/s
Thursday, October 28, 2010 at 3:39pm by Adam

physics
A 58.4-kg person, running horizontally with a velocity of +3.84 m/s, jumps onto a 10.7-kg sled that is initially at rest. (a) Ignoring the effects of friction during the collision, find the velocity of the sled and person as they move away. (Indicate the direction with the ...
Monday, October 22, 2012 at 7:38pm by Lindsay

physical Science
Two people who weigh the same climb a flight of stairs. The first person climbs the stairs in 30 s, while the second person climbs them in 40s. Which person does more work? Which uses more power?
Sunday, February 10, 2008 at 1:10pm by Rachel

physics
In a scene in an action movie a person is being chased across a roof top. To escape, the person runs off the edge of the building and falls to the roof of a nearby shorter building. The tall building is 50m high, the short building is 40m high and there is a 5m gap in-between ...
Thursday, April 7, 2011 at 1:15am by H.T

Physics
A person, standing on a vertical cliff a height h above a lake, wants to jump into the lake but notices a rock just at the surface level with its furthest edge a distance s from the bottom of the cliff. The person realizes that with a running start it will be possible to just ...
Sunday, September 22, 2013 at 10:13pm by ss01

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 ...
Thursday, November 19, 2009 at 3:39pm by Joe

physics
a 900 N running back moving at 2.0 m/s is stoppped in 0.70 seconds when hit by a lineback. What average foarce did the linebacker exert on the running back? How much did the running back's momentum change?
Thursday, February 3, 2011 at 5:19pm by Nabil

physics
A person going for a morning jog on the deck of a cruise ship is running toward the bow (front) of the ship at 2.2 while the ship is moving ahead at 6.8 . 1. What is the velocity of the jogger relative to the water? 2. Later, the jogger is moving toward the stern (rear) of the...
Sunday, January 30, 2011 at 8:59pm by Tess

ihstory
During the election of 1936, declaring their party a "millionaire's union," Franklin Roosevelt focused mainly on defeating the A. Union Party running William Lemke. B. Liberty League running Father Coughlin. C. Union Party running Gerald K. Smith. D. Liberty League running ...
Monday, March 25, 2013 at 2:32pm by sergey

history
During the election of 1936, declaring their party a "millionaire's union," Franklin Roosevelt focused mainly on defeating the A. Union Party running William Lemke. B. Liberty League running Father Coughlin. C. Union Party running Gerald K. Smith. D. Liberty League running ...
Monday, March 25, 2013 at 2:33pm by sergey

history
During the election of 1936, declaring their party a "millionaire's union," Franklin Roosevelt focused mainly on defeating the A. Union Party running Gerald K. Smith. B. Liberty League running Father Coughlin. C. Union Party running William Lemke. D. Liberty League running ...
Tuesday, July 9, 2013 at 9:20pm by tesha

stats
write a brief paragraph addressing the question. Which is more likely, that a person is killed by lightning, or that a person is killed by lightning while playing golf in a thunderstorm? I believe it would be while playing golf due to holding the metal golf club, acting as a ...
Wednesday, October 14, 2009 at 3:49pm by CM

Social Studies
During the election of 1936, declaring their party a "millionaire's union," Franklin Roosevelt focused mainly on defeating the A. Liberty League running Alfred M. Landon. B. Union Party running William Lemke. C. Liberty League running Father Coughlin. D. Union Party running ...
Friday, June 1, 2012 at 3:44pm by Abby

Social Studies
During the election of 1936, declaring their party a "millionaire's union," Franklin Roosevelt focused mainly on defeating the A. Liberty League running Alfred M. Landon. B. Union Party running William Lemke. C. Liberty League running Father Coughlin. D. Union Party running ...
Friday, June 1, 2012 at 6:26pm by Abby

Social Studies
During the election of 1936, declaring their party a "millionaire's union," Franklin Roosevelt focused mainly on defeating the A. Union Party running William Lemke. B. Liberty League running Alfred M. Landon. C. Liberty League running Father Coughlin. D. Union Party running ...
Wednesday, August 15, 2012 at 5:03pm by Sara

physics
A ball is thrown upward from the top of a 40.0 m tall building. The ball's initial speed is 12.0 m/s. At the same instant, a person is running on the ground at a distance of 31.0 m from the building. What must be the average speed of the person if he is to catch the ball at ...
Thursday, September 17, 2009 at 8:26pm by sandhu

Physics
A ball is thrown upward from the top of a 50.0 m tall building. The ball's initial speed is 12.0 m/s. At the same instant, a person is running on the ground at a distance of 44.0 m from the building. What must be the average speed of the person if he is to catch the ball at ...
Sunday, February 5, 2012 at 12:36pm by Kelly

physic
A ball is thrown upward from the top of a 24.4 m tall building. The ball's initial speed is 12 m/s. At the same instant, a person is running on the ground at a distance of 31.4 m from the building. What must be the average speed of the person if he is to catch the ball at the ...
Wednesday, August 29, 2012 at 9:54pm by Anonymous

Physics
A ball is thrown upward from the top of a 24.6 m tall building. The ball's initial speed is 12 m/s. At the same instant, a person is running on the ground at a distance of 31.2 m from the building. What must be the average speed of the person if he is to catch the ball at the ...
Sunday, September 23, 2012 at 3:07pm by Jenn

Math
1.If a person jogs at a rate of 5 1/2mi/h for 3 1/2 h in a week, how many calories do they burn? 2. If a person runs in place for 15 minutes, how many calories will be burned? 3. If a person cross-country skis for35minutes, how many calories will be burned? 4. How many hours ...
Saturday, November 7, 2009 at 5:00pm by Anonymous

physics
A ball is thrown upward from the top of a 24.4-m-tall building. The ball's initial speed is 12 m/s. At the same instant, a person is running on the ground at a distance of 30.2 m from the building. What must be the average speed of the person if he is to catch the ball at the ...
Tuesday, August 30, 2011 at 8:27pm by mae

physics
A person of mass m jumps off the ground. Suppose the person pushes off the ground with a constant force of magnitude F for T seconds. What was the magnitude of the displacement of the center of mass of the person while they were in contact with the ground? Express your answer ...
Thursday, October 24, 2013 at 6:42am by Anonymous

physics
A longjumper running at 12 m/s and jumps at 20 degrees. No wind or resistance but gravity is normal -9.81 m/s2. How far will person jump?
Wednesday, October 13, 2010 at 11:02am by Jim

science
a person standing on a road has to hold his umbrella at 60 degree vertical to keep the rain away he throws the umbrella and starts running at 20 m/s he finds that rain drops are falling in him vertically. find the speed of the rain drops with respect to 1.the road 2.the moving...
Sunday, July 1, 2012 at 5:17am by jo145578

English
Writeacher, I urgently need you to check these sentences. Thank you. 1) You forgot to mention the fact that Robinson keeps himself busy by writing (keeping) a diary using the paper, pen and ink he finds on the wrecked ship. 2) He realizes his gunpowder is running out. 3) The ...
Sunday, March 18, 2012 at 7:39am by Matthew

college physics
A certain person's eye measures 24.0 mm from the pupil to retina. (a) If we treat the eye's lens as a thin lens, what is its focal length when the person focuses on a pencil 44.3 cm from the eye? (b) While the person focuses on the pencil, what is the image distance for a wall...
Monday, September 19, 2011 at 9:05pm by crystal

physics 20
Two people, a and b, are pulling on a tree with ropes while person c is cutting the tree down. Person a applies a force of 80.0N (45.0degrees) on one rope. Person b applies a force of 90.0N (345degrees) on the other rope. Calculate the net force on the tree.
Saturday, March 16, 2013 at 8:02pm by Rose

physics
Suppose a 69 kg person stands at the edge of a 7.8 m diameter merry-go-round turntable that is mounted on frictionless bearings and has a moment of inertia of 1600 kg*m^2. The turntable is at rest initially, but when the person begins running at a speed of 3.7 m/s (with ...
Friday, March 26, 2010 at 1:31pm by Anonymous

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 ...
Sunday, April 6, 2014 at 11:22pm by Brendan

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 ...
Thursday, December 3, 2009 at 1:07pm by AE

physics
JUMPING OFF THE GROUND (10 points possible) A person of mass m jumps off the ground. Suppose the person pushes off the ground with a constant force of magnitude F for T seconds. What was the magnitude of the displacement of the center of mass of the person while they were in ...
Friday, October 25, 2013 at 3:13am by Anonymous

physics (elena)
JUMPING OFF THE GROUND (10 points possible) A person of mass m jumps off the ground. Suppose the person pushes off the ground with a constant force of magnitude F for T seconds. What was the magnitude of the displacement of the center of mass of the person while they were in ...
Thursday, October 24, 2013 at 4:19pm by Anonymous

Basic Math
If a person weighing 150 lbs. jogs at a rate of 5 1/2 mi/h burns 740 Cal/h how many calories do they burn running 3 1/2 h in a week?
Friday, December 5, 2008 at 7:47am by A.W.

physics
A person throws a 2.5 lb stone into the air with an initial upward speed of 15 ft/s. Make a free-body diagram for this stone (a) after it is free of the person’s hand and is traveling upward, (b) at its highest point, (c) when it is traveling down ward, and (d) while it is ...
Wednesday, February 1, 2012 at 1:24pm by joe

English
1. Take exercise on a regular basis, and you will be a happy person. 2. Earn a lot of money, and you will be a happy person. 3. Drive in the country, and you will be a happy person. 4. Play the violin, and you will be a happy person. 5. Play soccer with your friends, and you ...
Friday, April 18, 2014 at 1:54am by rfvv

English
What is the suitable expressions for the follwoing? For example,there are 5 times for running. Imagine the running time is 1 hour. They have 5 running times. For example, 11:00 am, 1:00 pm, 3:00pm, 5:00 pm and 7:00 pm. 1. Let's go to see the movie at the first running time. 2...
Monday, September 15, 2008 at 3:09am by John

Math
What is the MET level of a person that is running on a level treadmill at 6 mph?
Sunday, October 6, 2013 at 11:49am by Natasha

Fund. of Electronics
What is the peak to peak Voltage across a 10 kilo ohm resistor that dissipates 50 mW?
Friday, July 22, 2011 at 7:22pm by Brendon

Physical Science
Two people who weigh the same climb a flight of stairs. The first person climbs thestairs in 30s, while the second person climbs them in 40s. Which does more work? Which uses more power?
Wednesday, November 19, 2008 at 8:28pm by Shevon

college physics
Suppose a 69 kg person stands at the edge of a 7.8 m diameter merry-go-round turntable that is mounted on frictionless bearings and has a moment of inertia of 1600 kg*m^2. The turntable is at rest initially, but when the person begins running at a speed of 3.7 m/s (with ...
Monday, March 29, 2010 at 9:50am by Anonymous

chemistry
A person uses 1800 {\rm kcal} to run for 2.4 {\rm h}. Convert the energy for running to the following energy units: how many calories
Monday, February 7, 2011 at 12:22am by Anonymous

physics
if a train is travelling with a speed equal to light and a girl is running inside it in the way the train is running.an observer see the girl from outside running.what is the speed of the girl AND WHY??
Monday, June 25, 2012 at 11:31pm by mukul bawa

Physics-College
You have a 50V battery in a circuit with a single resistor R. If the resistor dissipates 200 J of energy in 5 seconds, what is its resistance?
Thursday, February 4, 2010 at 5:02pm by Katie

physics
Explain why the occupants in a running car observe objects on the roadside as though they are running backwards.
Thursday, January 27, 2011 at 3:30am by Kate

physics
While taking a rest on a tree branch, a daring cowboy sees a wild horse running towards the tree he was on. he wants to land on the horses back when it passes under the tree. if the horse is running at a constant velocity of about 2 m/s and the vertical distance between the ...
Sunday, September 22, 2013 at 5:38pm by JT

math
Leila, Larry, and Cindy are running for 12th grade class offices. They will be named to the positions of president, vice-president, and secretary according to the number of votes each receives. The person with the most votes will be president, the person with the second-...
Thursday, May 9, 2013 at 3:01pm by Anonymous

Physics
A 59.5 kg person, running horizontally with a velocity of +3.90 m/s, jumps onto a 12.2 kg sled that is initially at rest. (a) Ignoring the effects of friction during the collision, find the velocity of the sled and person as they move away. (b) The sled and person coast 30.0 m...
Wednesday, February 28, 2007 at 10:06pm by Mary

Physical science
Which is not an example of acceleration? a) A person jogging at 3m/s along a winding path b) A car stopped at stop sign c) A cheetah running 27m/s east d) A plane taking off
Monday, October 29, 2012 at 8:46pm by Maria

physics
An unwary football player collides with a padded goalpost while running at a velocity of 5.50 m/s and comes to a full stop after compressing the padding and his body 0.450 m. (a) How long does the collision last? What is his deceleration?
Saturday, June 29, 2013 at 5:46pm by ajess

Physics
Alpengeist, in Williamsburg, Virginia, promises the world’s largest inverted (upside-down) loop, with a diameter of 106 feet (32.3 m). (i) What is the minimum safe speed while inverted? (ii) If the actual speed is 52.0 mph while inverted(23.25 m/s), then what is the contact ...
Saturday, March 2, 2013 at 12:57pm by Meder

English
Tell what person, what type, and how you know. Mr. Morton knew the students were running out of time, but he felt that he needed to give an example of the activity, so he did. One of his students raised his hand. "Yes?" Mr. Morton asked. "I know I'm going to have problems with...
Monday, April 7, 2014 at 10:20am by Anonymous

physics
Suppose that the coefficient of friction between your feet and the floor, while wearing socks, is 0.250. Knowing this, you decide to get a running start and then slide across the floor.
Thursday, October 13, 2011 at 4:47pm by Luke

English
1. While he was based on the sketches, Degas painted in his studio. 2. While he was walking on the street, he met a friend of his. 3. While he was driving, he sometimes smoked. 4. While he was chatting, he drank coffee from time to time. (What about the sentences using 'while...
Tuesday, August 31, 2010 at 10:59pm by rfvv

physics
Need help with this short physics question there is a race betwen person A and person B. They both start at the same time, but B initial position is 10m left of peron A. person A travels 100 meters right in 20 seonds, Person Btravels 112.5 meters right in 15 seconds. what is ...
Sunday, February 7, 2010 at 8:46pm by jake

math
Let AB be a diameter of a circular track. Tom starts from point A running clockwise on the track. At the same time Jerry starts from Point B running counterclockwise on the track. Each person runs at a constant speed. They first meet after Tom has run 200 feet. They next meet ...
Monday, April 26, 2010 at 3:47pm by al

Math riddle, I need help!!
Person A has one amount of money in his pocket, Person B has one amount of money in his pocket. If person A gives X amount to person B, person B will end up with 3 times more money than person A. However if person B gives the same amount X to person A, Person A will end up ...
Sunday, October 26, 2008 at 4:15pm by john

math-probability
betsy goes running 2 days out of 7 and james goes running 5 days out of 7. What is the probability that one of them is running on any given day.
Tuesday, December 13, 2011 at 5:40pm by David

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 ...
Saturday, December 14, 2013 at 11:16pm by Tsunayoshi

science(chem)
Consider the following errors that could be made when running the TLC. Indicate what should be done to correct the error. a) A 2 component mixture containing 1-octene and 1,4- dimethylbenzene gave only 1 spot with and Rf value of 0.95. The solvent used was acetone b) A 2 ...
Monday, October 8, 2007 at 11:51pm by ~christina~

math
two joggers start at the same time from opposite ends of a 10-km course. One jogger is running at 6 km/h and the other is running at 10 km/h. How long after they begin will they meet?
Saturday, September 19, 2009 at 2:33pm by taylor

Georgia Studies
Wow! It's been a while since I've been on this. My question is: Why is a juvi act such as running away from home, as serious as they make it? Like they might detain the juvenile for 24 hours. Why is that? Thanks-MC
Friday, December 5, 2008 at 12:28pm by mysterychicken

science
sorry i put my question in the wrong place. ok my question is can you tell me if i did this correctly. my experiment was about how can you tell if the person is lying by his body language. will my independent variable be when i interview a person on a dim light while i ...
Sunday, May 10, 2009 at 1:42pm by nik

science
sorry i put my question in the wrong place. ok my question is can you tell me if i did this correctly. my experiment was about how can you tell if the person is lying by his body language. will my independent variable be when i interview a person on a dim light while i ...
Sunday, May 10, 2009 at 1:43pm by nik

Biology
Why do we perform aerobic respiration when we're resting and both aerobic and anaerobic respiration while we're running?
Wednesday, October 27, 2010 at 6:55pm by Emily

C++
1. while(c <= 5) { product *= c; c++; 2. while ( z > 0 ) sum = sum + z; 3. x = 1; while (x <=10 ); x++; } 4. The following code should print the values 1 to 10 n = 1; while ( n < 10 ) cout < n++ < endl; 5. While (x <=100) total = total + x; x++;
Wednesday, October 20, 2010 at 6:41pm by Anonymous

math
a running back rushed for 129 yards through 3 quarters.in the 4th quarter the running back lost 5 yards per rush. the runing back rushed 5 times in the 4th quarter. 3) imagine that instead of losing yardage on each rush in the 4th quarter, the running back gained 4 yards on 2 ...
Saturday, November 27, 2010 at 5:36pm by kayla

physics
A tailback initially running at a velocity of 6.7 m/s becomes very tired and slows down at a uniform rate of 0.68 m/s2. How fast will he be running after going an additional 6.1 meters?
Thursday, December 17, 2009 at 1:18pm by ash

physics
A tailback initially running at a velocity of 6.6 m/s becomes very tired and slows down at a uniform rate of 0.55 m/s2. How fast will he be running after going an additional 6.2 meters?
Thursday, December 17, 2009 at 1:28pm by ash

electrical
6.A resistor R1 dissipates power P when connected to a certain generator with voltage V. If a resistance R2 is put in series with R1 the power dissipation by R1 A) Decreases B) Increases C) Remains the same D) Any of the above depending upon the value of R1 and R2
Thursday, March 1, 2012 at 3:31am by Anonymous

physics
A string of 26 identical Christmas tree lights are connected in series to a 120 V source. The string dissipates 63 W. What is the equivalent resistance of the light string? Answer in units of Ω.
Thursday, March 3, 2011 at 8:58pm by Anonymous

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