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July 24, 2014

Search: A tortoise can run with a speed of 0.12 m/s, and a hare can run 20 times as fast. In a race, they both start at the same time, but the hare stops to rest for 3.0 minutes. The tortoise wins by a shell (25 cm)

Number of results: 22,240

Physics
A tortoise can run at a speed of 20 cm/s and a hare can run exactly 20 times as fast. In a race, they both start at the same time but the hare stops to rest for 2.00 mins. The tortoise wins by 20.0 cm. How long does the race take? What is the length of the race?
September 22, 2011 by JP

physics
A tortoise can run with a speed of 0.12 m/s, and a hare can run 20 times as fast. In a race, they both start at the same time, but the hare stops to rest for 1.0 minutes. The tortoise wins by a shell (30 cm). (a) How long does the race take? (b) What is the length of the race?
January 29, 2012 by kris

Physics
A tortoise can run with a speed of 0.13 m/s, and a hare can run 20 times as fast. In a race, they both start at the same time, but the hare stops to rest for 4.0 minutes. The tortoise wins by a shell (35 cm). (a) How long does the race take? (b) What is the length of the race?
September 20, 2012 by Kelly

Physics
A tortoise can run with a speed of 14.0 cm/s, and a hare can run exactly 15 times as fast. In a race, they both start at the same time, but the hare stops to rest for 2.00 min. The tortoise wins by 20.0 cm. (a) How long does the race take? s (b) What is the length of the race?
February 7, 2013 by Nicola

college
A tortoise can run with a speed of 0.10m/s and a hare can run 20 times as fast. In a race, they start at the same time, but the hare stops to rest for 2.0min. The tortoise wins by a shell (20cm). How long does the race take? What is the length of the race?
February 2, 2010 by Whitney

Physics
A tortoise can run with a speed of 10.1 cm/s, and a hare can run 19.4 times as fast. In a race, they both start at the same time, but the hare stops to rest for 122 seconds. The tortoise wins by a shell (20.8 cm). How long does the race take? What is the length of the race?
February 2, 2012 by Stella

physics
A tortoise can run with a speed of 11.5 cm/s, and a hare can run 21.4 times as fast. In a race, they both start at the same time, but the hare stops to rest for 126 seconds. The tortoise wins by a shell (18.3 cm). How long does the race take? What is the length of the race?
August 25, 2012 by Simone

please someone answer this question
A tortoise can run with a speed of 16.0 cm/s, and a hare can run exactly 25 times as fast. In a race, they both start at the same time, but the hare stops to rest for 2.00 min. The tortoise wins by 20.0 cm. (a) How long does the race take? (b) What is the length of the race?
November 3, 2011 by joy

physic
Hi, could you help me please Question: A tortoise can run with a speed of 0.12 m/s and a hare can run 20 times as fast. in a race, they both start at the same time, but the hare stops to rest for 2.0 minutes. The tortoise wins by a shell (25cm). A.How long does the race takes...
September 24, 2009 by Chan

Math (Number Theory)
The tortoise and the rabbit were in a 42 kilometer marathon. The rabbit can run 5 times as fast as the tortoise. Less than halfway into the race, the rabbit dropped his lucky rabbit's foot, and so stopped to try and find it. After finding it, he started running to catch up ...
April 1, 2013 by Hale

Physics
A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 15.5 m long. The bowler hears the sound of the ball hitting the pins 2.50 s after the ball is released from his hands. What is the speed of the ball? The speed of sound is 340 m/s. How do i...
October 15, 2010 by Lynmarie

Physics
A tortoise can run with a velocity of 10 cm/s and hare can run 20 times as fast. In a race they start at the same time but the hare stops to rest for 2 minutes. The tortoise wins by 20 cm. What was the length of the race
September 15, 2009 by Misha

Physic
A speedy tortoise can run at 0.14m/s, and a hare can run 15 times as fast. In a race, they start at the same time, but the hare stops to rest for 2 min, so the tortoise wins by a shell(20cm). How long does the race take?
September 1, 2011 by Domonique

Physics
A hare and a tortoise compete in a race over a course 1.20 km long. The tortoise crawls straight and steadily at its maximum speed of 0.540 m/s toward the finish line. The hare runs at its maximum speed of 9.00 m/s toward the goal for 0.800 km and then stops to taunt the ...
October 9, 2009 by Chloe

physics
A hare and a tortoise compete in a race over a course 4.90 km long. The tortoise crawls straight and steadily at its maximum speed of 0.440 m/s toward the finish line. The hare runs at its maximum speed of 14.00 m/s toward the goal for 0.800 km and then stops to tease the ...
September 9, 2012 by Kit

Physics
A speedy tortoise can run at .01 meters per second, and the hare can run 21 times as fast. I. A race they start at the same time, but the hare stops for 1.5 minutes so the tortoise wins by a shell(20cm). How long is the race? How long is the path?
January 13, 2011 by Rose

english double checking
5- If someone asked me what kind of tale this was I would say it is a folktale because it is passed on and told by a person. The tale also uses animals and teaches lessons. 8- In what ways are the stories "The Turtle and the Rabbit Run a Race" and "The Tortoise and the Hare" ...
November 24, 2011 by Anonymous

Physics
A speedy tortoise can run at 0.09 m/s, and a hare can run 20 times as fast. In a race, they start at the same time, but the hare stops to rest for 2.4 min, so the tortoise wins by a shell (20 cm). How long does the race take? Answer in units of s What is the length of the race...
September 19, 2012 by Joe

math
I have 1 question I just can't seem to solve:A rabbit and a tortoise started walking from the same place at the same time. The rabbit walked to the east for 3 hours at a speed of 20m/h and took a rest for 1 hour. Then it walked to the west for 2 hours at a speed of 15m/h. The ...
November 23, 2011 by Howler

physics
The three-toed sloth is the slowest moving land mammal. On the ground, the sloth moves at an average speed of 0.0330 m/s, considerably slower than the giant tortoise, which walks at 0.0800 m/s. After 10.2 minutes of walking, how much further would the tortoise have gone ...
January 15, 2012 by Jen

scienced
how does the race betweebn the tortoise and the the hare the differencde between average speed and instantaneous speed ?
September 11, 2011 by brianna

SCIENCE
IF A TORTOISE AND A HARE ARE RUNNING IN A RACE. AND IN MY GRAPH I HAVE DISTANCE IN THE VERTICAL SCALE AND TIME IN THE HORIZONTAL SCALE. THE TORTOISE IS RUNNING AT A CONSTANT RATE WITHOUT STOPPING. BUT THE HARE IS CONFIDENT AND HE STOPS HOPPING AND WAITS FOR THE TORTOISE TO ...
July 18, 2010 by Anonymous

Math
Steady Tortoise stated crawling from Woody Woods to Fresh Forest at 7:30 a.m. Sprightly Rabbit left Woody Woods for Fresh Forest at 8:00 a.m. and caught up with Steady Tortoise at 10:00 a.m. Rabbit reached Fresh Forest at 11:00 a.m. When will Tortoise reach the Forest? Give ...
December 12, 2008 by Shaba-laba-ding-dong

Genetics
In cats the allele B produces black, whereas b produces yellow. Neither gene is dominant, and in the heterozygous state the phenotype is a combination of yellow and black spots called tortoise-shell. The alleles B and b are “X-Linked”. If a tortoise-shell cat has three ...
April 5, 2011 by Whitney

12th grade
a tortoise and a hare are "running" in a race.you are asked to prepare graphs similar to those in your reading material to graph the process of each animal during the race.as in text,distance is the vertical scale of your graph and time is the horizontal scale.the tortoise ...
September 15, 2010 by Anonymous

science
A tortoise and a hare are running in a race. You are asked to prepare graphs similar to those in your reading material to graph the progress of each animal during the race.As in the text, distance is the vertical scale of your graph and time is the horizontal scale. The ...
January 7, 2010 by Babii Gurl

Physics
A tortoise and hare start from rest and have a race. As the race begins, both accelerate forward. The hare accelerates uniformly at a rate of 0.8 m/s2 for 4.4 seconds. It then continues at a constant speed for 13.5 seconds, before getting tired and slowing down with constant ...
August 27, 2012 by David

physics
A tortoise and hare start from rest and have a race. As the race begins, both accelerate forward. The hare accelerates uniformly at a rate of 1.2 m/s2 for 4.3 seconds. It then continues at a constant speed for 11.7 seconds, before getting tired and slowing down with constant ...
February 3, 2013 by gerry

Algebra 2
a tortoise crawling at a rate of 0.1 mph, the hare wants to rest 30 more minutes before chasing the turtle at 5 mph. how many feet must the hare run to catch the turtle?
September 14, 2012 by Anonymous

physics
A hare is resting behind a rock, when he suddenly sees a tortoise cruising by at a constant 4.0m/s. The hare, literally at rest initially, decides he must catch up with the tortoise, to save face. So, he accelerates uniformly to 6.0m/s in 4.0 seconds. Once he reaches 6.0m/s, ...
September 17, 2010 by Kyle

12th grade
a tortoise and a hare are running in a race you are asked to prepare graps similar to those in your reading material to graph the progress of each animal during the race. as in the text, distance is the vertical scale of your graph and time is the horizontal scale. the ...
February 24, 2010 by pam turner

5th grade
haretown and tortoiseville are 27miles apart. Hare travesl teh distance from haretown to tortoiseville at the rate of 7mph. Tortoise travels the distance from tortoiseville to haretown at the rate of 2mph. If both set out at the same time, how many miles will hare have ...
September 16, 2010 by tryston

math
A giant tortoise can live 175 years in captivity. The gastrotrich, which is a small aquatic animal, has a life span of only 3 days (72 hours). If a gastrotrich died after 36 hours, a giant tortoise that lived 87.5 years would live proportionally the same because they both ...
April 1, 2012 by Michelle

science
what is the diference between turtle and tortoise. They look the same and why they are called differently. Hi I was unable to post some web addresses, but if you search under google "differences between turtles and tortoise" it will bring up some addresses with information ...
February 28, 2007 by Basil

physical science
How far can a person run in 15 minutes if they run at an average speed of 16km/hr?
January 24, 2008 by Ashleigh

Math
Is the time it takes to run a 100-meter race a function of the speed you run?
February 10, 2011 by Please help

algebra
tortious and hare race traveling at the same speed the tortoise finishes first. The toroise travels in a steady strate line begins at zero goes 32 miles in 50 minutes how would I write this in an equation
January 7, 2013 by Nathan

science
you run 100m in 25's. if you later run the same distance in less time , does your average speed increase or decrease? explain.
April 14, 2013 by karen

Physics
A quarterback throws a football toward a receiver with an initial speed of 21 m/s at an angle of 30° above the horizontal. At that instant, the receiver is 12 m from the quarterback. In what direction and with what constant speed should the receiver run in order to catch the ...
June 1, 2008 by Elisa

physics
Compute your average velocity in the following two cases: (a) You walk 73.6 m at a speed of 1.79 m/s and then run 73.6 m at a speed of 4.31 m/s along a straight track. (b) You walk for 1.00 min at a speed of 1.79 m/s and then run for 1.30 min at 4.31 m/s along a straight track.
September 9, 2012 by Corey

physics
a sled slides down a frictionless hill. if the sled starts from rest at the top, its speed is 7.5 m/s. a.) on a second run , the sled starts with a speed of 1.5 m/s at the top.. will it end with less than 9 m/s, 9 m/s, or more than 9 m/s b.) find the speed of the sled at the ...
December 2, 2009 by tanya

Algebra 2
The Goodyear Tire Company is testing a new tire. The tires are placed on a machine that can simulate the tires riding on a road. The machine is first set to 60 mph and the tires run at the speed for 7.2 hours. The machine is then set to a second speed and run at this speed for...
September 17, 2007 by Cathy

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

Physics
starting from your house, run 2oom east at an average speed of 4m/s, then turn around and run 280m west at an average spped of 7m/s to a post. 1) calculate Average velocity from house to post 2)average speed
July 26, 2012 by carak

PHYSICS
A student is running at her top speed of 4.6 m/s to catch a bus, which is stopped at the bus stop. When the student is still a distance 38.9 m from the bus, it starts to pull away, moving with a constant acceleration of 0.177 m/s^2. A) For how much time does the student have ...
July 13, 2011 by Luan

physics
A certain elevator cab has a total run of 204 m and a maximum speed is 321 m/min, and it accelerates from rest and then back to rest at 1.21 m/s2. (a) How far does the cab move while accelerating to full speed from rest? (b) How long does it take to make the nonstop 204 m run...
October 16, 2012 by LIN

PHYSICS
AN OSTRICH CAN RUN AT SPEEDS OF UP YO 72 KM/H. HOW LONG WILL IT TAKE AN OSTRICH TO RUN 1.5KM AT HIS TOP SPEED?
September 5, 2007 by Susie

Physics
It takes you 13.5 minutes to run 8 full laps around a 400m track. Find your average speed and average velocity for the run, both in m/s.
December 3, 2012 by Skylar

physics
An ostrich can run at speeds of up to 72 km/h. How long will it take an ostrich to run 1.5 km at this top speed?
September 7, 2009 by aaron

PHYSICS
Starting from a pillar, you run a distance 200 m east (the + x-direction) at an average speed of 5.0 m/s, and then run a distance 280 m west at an average speed of 4.0 m/s to a post. Q: Calculate your average velocity from pillar to post.
August 31, 2010 by Ami

Math
Jill and Matt run on a 400-meter-long oval track. They each run 10 laps daily and both run in the same lane. One day, they begin at the same point, but ran in opposite directions. Jill ran at a constant speed that was 2 meters per second faster than Matt's constant speed. Jill...
October 22, 2008 by Natalie

calculus
A man launches his boat from point A on a bank of a straight river, 3 km wide, and wants to reach point B, 2 km downstream on the opposite bank, as quickly as possible. He could row his boat directly across the river to point C and then run to B, or he could row directly to B...
December 4, 2009 by Avilene

Math
Two cars run at constant speeds around a one-mile racetrack. The faster car passes the slower car every two minutes if the cars run in the same direction. If they run in opposite directions, they meet every 15 seconds. Find the speed of the faster car in miles per hour.
May 7, 2013 by Bob

science
Thank you. I don't know if this one is right- At the speed of 2.5m/s, how many seconnds will it take the kayak to run a 4,500 m course? what is the speed of the kayak in kilometers per hour? speed= 4,500km/2.5h*60min/1 h =270,000/2.5=108,000km/h Thank you Ms. Sue :-)
March 9, 2011 by Annie

Physics
An experimental rocket car starting from rest reaches a speed of 530 km/h after a straight 370 m run on a level salt flat. Assuming that acceleration is constant, answer the following questios. - what was the time of the run?(s) - What is the magnitude of the acceleration? (m/...
September 9, 2012 by Anonymous

physics!!!!!!!!!!
If you ever watch track and field at the Olympics, you'll notice that the starting points of the runners are not even if the race is run on a curve and the runners have to run in lanes. This is to offset the fact that the distances along each lane are unequal on a curve. To ...
February 13, 2013 by please help me out!!!!

physics..............
If you ever watch track and field at the Olympics, you'll notice that the starting points of the runners are not even if the race is run on a curve and the runners have to run in lanes. This is to offset the fact that the distances along each lane are unequal on a curve. To ...
February 14, 2013 by please help me out!!!!

AP Physics
An experimental rocket car starting from rest reaches a speed of 600 km/h after a straight 370 m run on a level salt flat. Assuming that acceleration is constant, answer the following questions. a)What was the time of the run? (in seconds) b)What is the magnitude of ...
September 22, 2010 by Ayana

Physics
In a 100 m race, Maggie and Judy cross the finish line in a dead heat, both taking 10.6 s. Accelerating uniformly, Maggie took 2.20 s and Judy 2.90 s to attain maximum speed, which they maintained for the rest of the race. A) What was Maggie's acceleration? B) What was Judys ...
February 2, 2012 by Emily

marine science
How long has the Galapagos Tortoise been in existence?
July 25, 2009 by Jack

physics
In 1954, Roger Bannister became the first human to run a mile in less than 4 minutes. Suppose that a runner on a straight track covers a distance of 1.00 mi in exactly 4.00 min. 1. What is his average speed in mi/h? 2. What is his average speed in ft/s? 3. What is his average ...
January 20, 2011 by andrea

physics
A runner, beginning at rest, completed a 50 m run with a final speed of 6 m/s. Assuming constant acceleration. a) What was the average speed of the runner? b) What was the runner's time? c) What was the acceleration? a) half the final speed b) distance/(average speed) c) (...
October 2, 2006 by maria

physics
in 1954 roger bannister became the first human to run a mile in less than 4 minutes. suppose that a runner on a straight track covers a distance of 1.00 mi in exactly 4.00 min. What is the average speed in mi/h What is his average speed in ft/s what is his average speed in m/s...
September 16, 2013 by deb

Oligopoly
Does the shut down run rule apply to oligopolies in the same way as it does to perfectly competitive companies for both the short run and the long run?
February 27, 2010 by Kiersyn

Marine science
How has the Galapagos Tortoise changed or adapted over time?
July 26, 2009 by Jack

Math
Adam can run a lap on a certain circular track in 50 seconds. Grampy Sampy can run a lap on this track in 90 seconds. They start at the same location at the same time and move in the same direction. If they each run at a constant speed, how many seconds will it take before ...
May 8, 2013 by Nate Williams

physics
Adam can run a lap on a certain circular track in 50 seconds. Grampy Sampy can run a lap on this track in 90 seconds. They start at the same location at the same time and move in the same direction. If they each run at a constant speed, how many seconds will it take before ...
May 13, 2013 by kathy wong

physics
An experimental rocket car starting from rest reaches a speed of 560 km/h after a straight 450 m run on a level salt flat. Assuming that acceleration is constant, answer the following questios. (a) What was the time of the run? Your answer is incorrect. s (b) What is the ...
September 30, 2011 by charly

physics
A sprinter can accelerate with constant acceleration for 2.10s before reaching top speed. He can run the 100-meter dash in 10 s. What is his speed as he crosses the finish line?
September 13, 2013 by Kala

english
in the poem the tortoise in eternity,what does the poet refer to writing patterned horn?
October 6, 2011 by jan

Physics
starting from ypur house, run 2oom east at an average speed of 4m/s, then turn around and run 280m west at an average spped of 7m/s to a post. 1) calculate Average velocity from house to post
July 24, 2012 by carak

algebra
The boys were 1/ 4 of the way across the bridge when they heard the sound of a train whistle. The train coming from behind them was moving at a speed of 45 mph. The boys immediately thought that they could turn around and run towards the near end of the bridge, and get to the ...
March 11, 2008 by Dante

physics
The longest distance in a track and field event is the 10 km run. The record holder for the women's 10 km run is Wang Junxia of China. Assuming that Wang Junxia ran a distance of 10.00 km with an average speed of 5.644 m/s, what was her time? (Hint: Need to convert to the same...
January 20, 2012 by Juanita

math
Runnign at a consant speed, Andrea covers 15 miles in 2 and half hours. At this speed, how many minutes will it take her to run 2 miles?
April 15, 2009 by Anonymous

math
when tessa and fatima run a 100 metre race,tessa wins by 10m.then they repeat the race,this time with tessa starting 11m behind the starting line.if both girls run at the same speed as efore,what would be the expected result?
July 21, 2013 by sarah

Economics
A long-run supply curve is flatter than a short-run supply curve because A. firms can enter and exit a market more easily in the long run than in the short run. B. long-run supply curves are sometimes downward sloping. C. competitive firms have more control over demand in the ...
November 29, 2011 by Bob

Physics- HELP
How to find average speed with a given initial speed, theta, and delta x? I know average speed= total distance/total time, but I am given an initial speed, an angle and delta x. Mark throws a ball to Daniel with an initial speed of 20 m/s at an angle of 45 degrees. If they are...
December 1, 2010 by Amm

math
Running at a constant speed, Andrea covers 15 miles in 2.5 hrs. At this speed, how many minutes will it take her to run 2 miles? I know that I need to use conversion but i don't know how to convert it.
May 27, 2008 by derek

physics
A man is 3/8th of the way across a railroad bridge when he hears a train coming. He knows that this passenger train cruises along at 60 MPH in this area. It turns out that he can run to either end of the bridge and jump off just ahead of the train. Assuming he runs a a ...
April 29, 2013 by Pam

Physics
A sprinter can accelerate with constant acceleration for 2.70 s before reaching top speed. He can run the 100-meter dash in 10 s. What is his speed as he crosses the finish line? Please show me all the steps to solving this problem. Thanks
October 5, 2011 by Beth

science
At the speed of 2.5 m/s, how many seconds will it take the kayak to run a 4,500 m course? What is the speed of the kayak inn kilometer per hour? I want to work it on my own, just need help with formula please thanks
March 9, 2011 by Annie

Physics
A sprinter starts from rest in a 100-meter race, accelerates to his full running speed of 10.3 m/s in 1.15 seconds (assume constant acceleration) and continues at that speed for the rest of the race. (a) How far did he run before attaining his full speed? (b) What was his ...
September 16, 2010 by Phil

Physics
Tyler runs the length of a soccer field (100m). A. How much time is required for him to run the full length at speed v? B. If he runs at 6.0 m/s how long does it take tyler to run the length of the field?
September 11, 2011 by AZ

english
Hi, I only need help in the questions. "The Turtle and the Rabbit Run a Race," #38 Swapping Stories Bel Abbey, Elton, Louisiana I'm going to tell you about the story about the Rabbit and the Turtle running a race. They were going to run a race one time. And Rabbit run so fast ...
November 24, 2011 by Anonymous

Microeconomics help please (urgent)
True or False? Explain your reasoning. a. The short-run average total cost can never be less than the long-run average total cost. b. The short-run average variable cost can never be less than the long-run average total cost. c. In the long run, choosing a higher level of ...
October 22, 2008 by David

algebra
A jogger ran 6 miles, decreased her speed by 1 mile per hour and than ran another 7 miles. If total jogging time was 2 1/42, find speed for each part of her run.
December 15, 2011 by ty

Physics
You run a race with your friend. At first you each have the same kinetic energy, but then you find that she is beating you. When you increase your speed by 21.0%, you are running at the same speed she is. If your mass is 77.0 kg, what is her mass?
February 10, 2013 by Jake

English
In the poem "The Tortoise in Eternity" by Elinor Wylie in line 1 the phrase "patterned horn" refers to? A. Grass B. Metal C. Engraving D. Shell E. Plastic
July 27, 2010 by Victoria

math
how can i make a model to solve this problem? Javia ran 8 laps around a track to run a total of 1 mile on Monday. How many laps will she need to run on Tuesday to run 3/8 of a mile?
January 9, 2014 by Diana

Business Algebra
After running various advertisements, you have received the statistics from each advertising outlet. A total of 800 ads were run. The following lists the breakdown of each: 380 ads were run over the radio. 240 ads were run in the newspaper. 300 ads appeared on the Internet. ...
June 10, 2009 by Redbone

english
Hi, I was wondering if I answered the questions bellow correctly(after the story)and I really need help in fixing my grammar :| thank you :) "The Turtle and the Rabbit Run a Race," #38 Swapping Stories Bel Abbey, Elton, Louisiana I'm going to tell you about the story about the...
November 23, 2011 by zahra

Physics
Although it can't sustain its top speed for more than 8.65 sec, the cheetah can run a distance of 274 m during that time. If a cheetah with a mass of 50.0 kg is moving north at its top speed. what is its momentum?
November 4, 2009 by abbigail

Math
Javia ran 8 laps around a track to run a total of 1 mile on Monday. How many laps will she need to run on Tuesday to run 3/8 of a mile?
February 26, 2013 by Kim

statistics
A study of 36 marathon runners showed that they could run at an average rate of 7.8 miles per hour. The sample standard deviation is 0.6. Find a point estimate of the population mean. Find the 90% confidence interval forthe mean of all runners. Based on the results, what ...
April 24, 2013 by Anonymous

microeconomics
The short-run cost curve for each firm's long run equilibrium output is C=y^2-20y+400. Calculate the short-run average and marginal cost curves. At what output level does short-run average cost reach a minimum? I already know the MC and the SRA is TC/Q. I got the minimum as 10...
April 5, 2010 by Jill

Macroeconomics
(Monetary Policy and Aggregate Supply) Assume that the economy is initially in long-run equilibrium. Using an AD–AS diagram, illustrate and explain the short-run and long-run impacts of an increase in the money supply.
June 15, 2013 by Mike

Calculus optimization problem
A rectangular dog run is to contain 864 ft ^2. a. If the dog's owner must pay for fencing, what should be the dimensions of the run to minimize cost? b. Suppose a neighbor has agreed to let the owner use an already constructed fence for one side of the run. What should the ...
October 30, 2011 by Sam

Biology
Today many different species of tortoise may be found in he Galapagos islands. Using your knowledge of evolution, explain how these many specues arose from one common ancestor?
June 18, 2014 by Maya

physics
a hare can run 100m in 5 seconds what is its speed
January 17, 2011 by tom turner

Physics
If you run 100 m at 5 m/s and 300 m at 1 m/s, what is your average speed?
June 21, 2012 by anonymous

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