Search: math (distance problem)

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math (distance problem)
The points A, B, C, D, and E are located on a straight line in order. The distance from A to E is 20cm. The distance from A to D is 15cm. The distance from B to E is 10cm. C is halfway between B and D. Find the distance from A to C.: * 2.5 cm 5 cm 10 cm 12.5 cm
Saturday, September 22, 2007 at 10:05am by anonymous

Physics
There are some mistakes in the problem. The average distance between the electron and the proton is not equal to 5.3 10^(-11) m. The distance a = 5.3 10^(-11) m is the Bohr radius which and at this distance is the most likely distance for the electron to be. The average ...
Sunday, January 13, 2008 at 10:26pm by Count Iblis

algebra
hi i was wondering if u can help me with this problem which says...stopping distance is breaking distance plus your reaction time. suppose you are told that the stoppin distance D is related to speed S by this equation: d(s)= 0.05s to the 2nd power+2.15s+1 and i need to slove ...
Sunday, July 20, 2008 at 6:55pm by nikki

math
Can someone please help me with this word problem!?! I know the answer which is 784 feet. But I have no clue how to solve it. Can someone please show how to solve this problem? The word problem is: The melt in Your Mouth Chocolate Factory is a rectangular building. The ...
Tuesday, September 4, 2012 at 9:18pm by aaron

Word Problem
They travel the same distance; distance ball= distance pete 50ft/s (t-2)=25ft/sec * t solve for t.
Monday, September 17, 2007 at 8:56pm by bobpursley

Math
Let x = speed of A and x + 80 = speed of B. Speed = distance/time. therefore Distance = speed * time Distance traveled by A + distance traveled by B = 3200 This should help you solve your problem. Thanks for asking.
Tuesday, October 16, 2007 at 8:47pm by PsyDAG

Math
I am confused with this problem could someone please explain? Taxicab Distances Problem. Imagine that the grid lines on a coordinate grid are streets and that the distance between two points must be measured by the number of "blocks" a taxicab would have to travel ...
Friday, September 18, 2009 at 5:04pm by B.B.

physics
well if you start 50 m Due South of the North Pole,it makes a very interesting problem. Think on that. Now anywhere else, result= 50N+ 45sin60 E + 45 cos60 N then combine the like directons, and the distance will be given by the distance formula distance= sqrt (xN^2 + yE^2) ...
Wednesday, February 29, 2012 at 5:09pm by bobpursley

Math
A geologist at point A measures the distance and angle of elevation to two columns of the Glen Rose formation in Texas. If the distance AS=796 ft and the distance AN=850 ft, compute the difference in the heights of the two columns to the nearest foot. What do I need to do to ...
Thursday, March 24, 2011 at 1:37am by Anonymous

math
A geologist at point A measures the distance and angle of elevation to two columns of the Glen Rose formation in Texas. If the distance AS=796 ft and the distance AN=850 ft, compute the difference in the heights of the two columns to the nearest foot. What do I need to do to ...
Wednesday, March 23, 2011 at 4:29am by Anonymous

math word problem
a scale on a map is 1.5 in. : 200 mi. the map distance from miami to chicago is 9 in. what is the actual distance between the cities?
Tuesday, April 17, 2012 at 8:04pm by marko

Physics
distance = rate x time. distance = 3 x 10^8 m/s x 0.6 x 10^-6 sec.The way I read the problem, this is the distance traveled from the transmitter to the reflector to the receiver.
Monday, March 31, 2008 at 6:11pm by DrBob222

Geometry
Okay, this is a problem that I've tried over ten times before getting a fresh problem and trying that one too. I've never gotten a correct answer and I can't figure out why it's not right. Here's the problem, "Find the distance between each pair of ...
Thursday, September 21, 2006 at 6:23pm by Aubry

Word Problem, math.
The distance between the cars decreases at a rate of 25 ft/s. Divide 300 feet by that distance-closing rate and you get the answer: 12 seconds
Sunday, September 5, 2010 at 3:57pm by drwls

Calculus 2
Solve the problem two ways. (a) Use a geometric series. (b) Find a shorter way to do the problem. Based on dog cycles, the time between dog turn arounds. If the distance between the runners is d, (2/3) d (1/3) d *-----------------------------|--------------* (a) The dog will ...
Thursday, March 6, 2008 at 9:40pm by Jim

Math (logic and problem solving)
height: 16;8;4;2;1 fourth bounce. Distance went 16+2*8+2*4+2*2+1 or another way: Distance=16+ 16(.5)+16*.5^2+ 16*.5^3+1 this looks like a geometric series, r=.5 So in a geometric series, an= A1*r^n n=0, 1, 2,.. to find our problem 1=16 (.5)^n 1/16= (1/2)^n take log base 1/2 of...
Sunday, October 30, 2011 at 10:30pm by bobpursley

Math>>>>if anyone could check my answer
this problem is difficutl for me i have an answer but im unsure so if someone could check my answer please. heres my problem: A light year is the distance that a light travels through a vacuum (space without matter) in one year. A light year is about 9.46 x 10^12km. The ...
Thursday, March 31, 2011 at 11:39pm by Angel

math-word problem- PLEASE CHECK MY ANSWER
distance apart at station =100mph*1/4hr relative velocity= distance/time time= 25mi/20mph=5/4 hr Add that to 5:35
Sunday, March 28, 2010 at 8:06pm by bobpursley

MAth word problem
One of the best ways to do these is by using a "chart" on the top: distance --- rate --- time one the side: the two cases, in this problem: by car , walking ....... dist........rate....time car ...48t ...... 48 ...... t walk 6(1.5-t) .. 6 ..... (1.5-t) So where does ...
Monday, July 5, 2010 at 9:26am by Reiny

math
The distance is the hypotenuse of a right triangle where one leg is the x distance and the other leg is the y distance. In this case, the y values are the same so the distance between the points is simply the x distance.
Wednesday, July 14, 2010 at 5:19pm by Quidditch

Math
Can someone explain to me the general procedure used to identify and set up a proportion problem? Repost with a specific problem, so we can use it as an example. I hope this helps a little. Thanks for asking. The following ratios: Map scale - distance between two points 75 ...
Tuesday, June 5, 2007 at 8:33pm by Jon

pysics
Simple. How long does it fly in the air? time= distance/combinedspeed= distance/20 You didn't say the distance, but put that in, and figure time. Now how far does the bug fly? distance=speedbug*timeflying you didn't put the speed of the bug in the problem either.
Sunday, October 31, 2010 at 4:27pm by bobpursley

Math 11
I need help on this math problem. The width of a certain painting is 5cm less than twice the length. The length of the diagonal distance across the painting is 107cm. Find the length and width. Round your answer to 2 decimal places. Substitute: diagonal distance: 107cm length...
Wednesday, January 11, 2012 at 10:06pm by Need Help

Physics
Can someone help me get started on this problem? A launcher fires a projectile with a velocity of 6.31m/s. Determine the horizontal distance of the projectile (in the air) at 5 degrees. Recalculate this distance at 10, 15, 20.... (5 degree increments) up to 90 degrees (at ...
Sunday, December 19, 2010 at 9:31am by George

Math
Now can you please tell me if I am right for the following problems: The speed of rain is about 1,100 feet per second. If you observe a flash of lighting and then hear the thunder 5 seconds later how far away from you did the lighting strike? Is this less or more than a mile...
Thursday, August 18, 2005 at 1:34pm by giggly child

physics
This is a sum of torque problem. T(left) = F(board)*Distance from left + F(person)*Distance left + F(right)*Distance from left = 0 T(right) = F(board)*dist from right + F(person)*dist from right + F(left)*distance from right. In reality, we are summing clockwise torques with ...
Tuesday, January 20, 2009 at 3:53pm by Matt

surveying math
I need help with this problem and I need to show my work. Can anyone help me? A vertical angle of -40 is recorded between A and B. The slope distance, after meteorological corrections, is 806.388 m. What is the horizontal distance between A and B?
Friday, October 15, 2010 at 11:05pm by Kasey

Physical Science
distance = 1/2*g*t^2 distance is what you want. 1/2 is obvious. g = 9.8 meters/secnd/second t = time = 9.6 seconds in the problem. Solve for d.
Sunday, January 29, 2012 at 8:03pm by DrBob222

Physics
It didn't let me finish writing this. For number 1, option D is 3.0 x 10-10 m. For that question I got B. 2. A student wishes to make a measurement of the road distance from his dormitory to the physics building of his university. she uses her car's trip odometer, ...
Friday, January 30, 2009 at 4:01pm by jm

physics
velocityastronaut= distance/(7.5min*60sec/min) now, conservation of momentum. 1200kg*.25m/s=94kg*distance/(7.5*60sec) solve for distance. YOu did not put units on numbers in your problem statement. In the Physical sciences, numerals are meaningless without units.
Sunday, October 31, 2010 at 5:28am by bobpursley

math
Be cautious about units on this problem. The problem gives the distance in feet. Gravitational acceleration in English units is about 32 ft/sec^2 .
Thursday, August 26, 2010 at 9:56pm by Quidditch

Need distance
Perhaps you copied and pasted a picture with the locations of m1 and m2 on it? Without distance between them, problem is impossible.
Saturday, April 4, 2009 at 1:59am by Damon

problem solving
look up the distance in light years to crab Nebula. timeoccuredinyearspast=distance/speedlight then subtract that time from 1054
Friday, October 17, 2008 at 5:08pm by bobpursley

Math
A boat in calm seas travels 19 km east and 32 km south. Find the distance and direction of the trip, relative to the south. What is the distance? What is the direction? I'm confused about how to solve this problem. Could someone show me the steps?
Wednesday, March 23, 2011 at 11:51pm by Lisa

Trig word problem
Draw a triangle and use the law of sines. The angle at B (between ranger and fire tower) is B = 180 - 23 - 123 = 34 degrees. You want the distance from A to B and that is related to angle C as follows: AB distance/sin C = AC distance/sin B AB distance = (sin C/sin B)*2.3 miles...
Sunday, February 24, 2008 at 9:42pm by drwls

Math Surveying
Need help working this problem. Thanks in advance! 1) A 50-m tape is used to measure between two points. The average weight of the tape per meter is 0.320 N. If the measured distance is 48.888 m, with the tape supported at the ends only and with a tension of 100 N, find the ...
Sunday, September 26, 2010 at 5:51pm by Mason

physics
For constant acceleration with 0 initial velocity, the distance is: distance = (1/2) (acceleration)(time^2) If D= the total distance to the ground: D = (1/2)g(TotalTime^2) (1/2)D=(1/2)g(MidpointTime^2) or (1/2)g(TotalTime^2)= 2[(1/2)g(MidpointTime^2)] (TotalTime^2) = 2(...
Tuesday, September 16, 2008 at 10:17pm by Anonymous

physics
This problem is missing information. If the pull force is constant: pulled 0.10 meters * 25.2 = 2.52 Joules .5 m u^2 = 2.52 Joules solve for u however if the bow behaves like a spring then average force = 1/2 * max force and we get 1.26 Joules You do not say which If you fire ...
Monday, December 6, 2010 at 9:42pm by Damon

Math 10th grade
What is a "Slope, Midpoint & Distance"? This is the problem: (7,3) and (-1,-4)
Thursday, March 19, 2009 at 6:53pm by Kenny

Physics
You are headed in the right direction. That is a distance formula when there is uniform acceleration which is gravity in this problem. The formula is: s2 = s1 + vt + (1/2)(a)t^2 where: s2 = final distance s1 = initial distance v = initial velocity a = acceleration t = total ...
Sunday, October 24, 2010 at 10:18pm by Quidditch

physics
how do you find the focal distance when a problem only gives you the object to screen distance of a projecter, and the object and image heights?
Thursday, March 6, 2008 at 7:46pm by Jmax

math
The points A, B, C, D, & E are located on a straight line, in order, in accordance with the following conditions: The distance from A to E is 20 cm The distance from A to D is 15 cm The distance from B to E is 10 cm C is halfway between B & D What is the distance from ...
Tuesday, December 18, 2012 at 4:57pm by bob

math
create a table showing time and distance from a word problem
Wednesday, August 18, 2010 at 6:01pm by sarah

Bisectors in a Triangle
Take a look at http://gogeometry.blogspot.com/2011/06/problem-626-triangle-distance-from.html For a solution to this kind of problem.
Tuesday, March 26, 2013 at 8:20am by Steve

math
Use the relationship that distance = rate x time and follow the instructions in the problem.
Wednesday, October 3, 2012 at 2:50pm by Reiny

Math
A picture must be hung on a wall were the distance from the floor to ceiling is 8 feet. The center of the picture mist be 5 1/4 feet from the floor. Determine the distance from the ceiling to the top of the picture frame How do I do this problem? Thanks!!
Sunday, January 20, 2013 at 12:14pm by Ld

Math
I need help on this math problem. The width of a certain painting is 5cm less than twice the length. The length of the diagonal distance across the painting is 107cm. Find the length and width. Round your answer to 2 decimal places. Can you check is my substitute is correct? ...
Thursday, January 12, 2012 at 8:45am by HelpPlease

math
That's quite a long story to state a simple problem Make a diagram of the side view of the situation. Let the distance from the "spot beacon" to Thomaville be a, let the distance to the other town be b the distance between the two towns is a+b In the Thomaville ...
Tuesday, February 5, 2013 at 7:39pm by Reiny

5th grade problem solving
5 = 3.2 + (library to PO distance)+ 1.5 = 4.7 + (library to PO distance) library to PO distance = 0.3 miles
Tuesday, January 6, 2009 at 4:10pm by drwls

Fourth grade science
Give the problem some thought. Which device is used to measure distance? That will be the answer. Only one of those devices measures distance. The others meaure temperature, force and direction.
Friday, December 7, 2012 at 1:43am by drwls

Physics
ok like one of the teachers previously stated to find the time. V = Vi + at 0 = 55 - 11t 55 = 11t 5 = t But for this problem i think you have to find two distance. A, to find the distance B, to find the distance i guess if the time is doubled, right?
Sunday, December 27, 2009 at 7:29pm by Priscilla

Math
Can someone please help with this problem? Find the distance between the given points: (-3, -7) and (-4, 15). Thanks so much.
Thursday, September 17, 2009 at 5:34pm by B.B.

Physics Urgent!!!!! I really need help with this
The issue I have is the distance apart. you wrote .152-.0254. The problem stated "about 9 inches away". Well, that is definitily vague, but I assume it is surface to surface distance, which means then distance from center to center is .2286 (9") plus .1524 (...
Monday, May 2, 2011 at 10:43am by bobpursley

math
what distance formula would you use to solve this problem? A boat starts at point A, moves 3 km due north, then 2km due east, then 1 km due south, and 4km due east to point B. Find the distance AB.
Friday, March 16, 2012 at 8:19pm by trey

math
speed is distance traveled over unit time: v = d/t rearranging, d = vt let v = speed going there (forth) since in the problem, you traveled the same distance, d,forth = d,back 3v = 5(16) 3v = 80 v = 80/3 or 26.67 k/h
Wednesday, November 10, 2010 at 8:47pm by jai

math
please help me to solve this problem A swimmer going downstream takes 1hour,20minutes to travel a certain distance. It takes the swimmer 4hours to make the return trip against the current. If the river flows at the rate of 1.5mph. Find the rate of the swimmer in still water ...
Saturday, July 31, 2010 at 4:46am by joy

math
the trick here is that the first bounce has a different pattern than the following bounces distance of 1st bounce = 15 ,...... just down distance of 2nd bounce = 2(15)(.6) , ..... up and down distance of 3rd bounce = 2(15)(.6^2) distance of 4th bounce = 2(15(.6^3) ... distance...
Monday, January 24, 2011 at 4:11pm by Reiny

math
The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 34 cm when the weight is 3 kg, what is the distance when the weight is 9 kg? 22. Find the variation constant and an equation of variation where y ...
Sunday, May 15, 2011 at 10:36pm by algebra

Physical Science
To solve this problem we shall use the formula that relates distance, speed and time. speed = distance/time Or, speed*time = distance Now, speed = 75miles/hour = 75miles/(60*60)second = 75miles/3600second = 0.020833mile/second So, the distance travelled is = (.020833mile/...
Tuesday, February 1, 2011 at 5:21pm by Ford

Math (word problem)
Speed = distance/time or S = d/t 1.5(1240) = 5800/t Solve for t. I hope this helps.
Sunday, November 29, 2009 at 9:05pm by PsyDAG

Physics
Wave equation: frequency*wavelength=speed of light Distance equation: Distance=velocity*time where distance it distance there+return distance.
Wednesday, May 12, 2010 at 12:36pm by bobpursley

physics
A carefully designed experiment can measure the gravitational force between masses of 9 kg. Given that the density of iron is 7860 kg/m3, what is the gravitational force between two 9.00-kg iron spheres that are touching? I can determine the correct answer if the problem had ...
Sunday, October 30, 2011 at 9:11pm by mymi

physics please help??
I know how to do this problem, but I am having a difficult time figuring out the distance . I thought that from wire 1 to P2 the distance is 45 cm, and the distance from wire 2 to the p2 the distance is 35 cm. However, I believe I am wrong, can someone please explain o me ...
Saturday, October 27, 2012 at 3:46pm by henry

Math,Geometry
What are the equations of the lines through (-5,-3) and passing at distance 2sqrt5 from (5,7) Please I really need your help. I do not know how to do this problem.
Monday, January 7, 2013 at 4:57pm by Lance

math word problem
Does 13.5 miles make sense to you as the distance between Chicago and Miami????
Tuesday, April 17, 2012 at 8:04pm by Ms. Sue

Math
I am stumped on this problem can someone please explain? Find the distance between the given points (-3, -7) and (-4, 15). Thanks so much.
Friday, September 18, 2009 at 7:45pm by B.B.

Math
Well, you could plot the points on a graph and measure the distance bewteen them. Or, you could use the formula (distance)^2 = (x2 - x1)^2 + (y2 - y1)^2 = 2^2 + 3^2 = 13 The distance between A and D is sqrt13 = 3.6056
Sunday, October 10, 2010 at 11:58pm by drwls

math,help
Also, can someone set this problem up into equations so i can solve.thanks A plane took 1 hour longer to travel 560 miles on the first portion of a flight than it took to fly 480 miles on the second portion. If the speed was the same for each portion, what was the flying time ...
Friday, April 20, 2007 at 2:19pm by jasmine20

Math
The distance that light travels in 1 year (a light year) is 5.88 x 10^12 miles. If a star is 2.4 x 10^8 light years away, what is the distance to that star in miles? How would you even begin the problem?
Saturday, October 3, 2009 at 9:10pm by Anonymous

geometry
a) The handrail must increase in elevation by 2 for each horizontal distance of 3. The slope is therefore 2/3. b) The other endpoint will be at (L, 3 + (2/3) L) where L is the horizontal distance covered by the flight of stairs. You omitted a dimension needed to solve the ...
Thursday, November 27, 2008 at 4:17pm by drwls

Math 11
I need help on this math problem. The width of a certain painting is 5cm less than twice the length. The length of the diagonal distance across the painting is 107cm. Find the length and width. Round your answer to 2 decimal places. How should I set up for this problem? I was ...
Thursday, January 12, 2012 at 12:01am by Need Help

math
what is 231.05 - 1000 ? You have to decide if a negative distance has a meaning within the context of your question or problem.
Monday, January 5, 2009 at 11:15pm by Reiny

physics
projectile motion with constant horizontal speed ? A stone falls off a cliff with horizontal velocity v m/s. it falls a distance of 5cm vertically and 200m horizontally in t seconds. when it has fallen a vertical distance of 20cm, what is its horizontal distance from the cliff...
Monday, April 16, 2012 at 5:25am by raj

Physics
I called U the horizonal speed, and V the vertical speed. The point is that this is two problems. 1. a constant speed horizontal problem where distance = horizontal rate * time 2. a vertical problem where distance is initial vertical speed times time plus (1/2) a t^2 The two ...
Wednesday, February 6, 2008 at 7:16pm by Damon

Basic college Math
Please include the entire question. You still have not said what the problem is, only what the distance and rates are.
Sunday, December 2, 2012 at 7:12pm by Brienne

math
distance fallen = 16t^2, where distance is in feet, and t is in seconds, starting from rest. so is your time the first 5.2 seconds ?? so distance = 16(5.2)^2 = .....
Sunday, September 6, 2009 at 1:30am by Reiny

math
a man walked for some distance at 8km/h, and for an equal distance at 5km/h. the total time he took was 3 1/4 hours. find the distance he walked
Tuesday, November 8, 2011 at 10:50am by Anonymous

Maths
The points A , B , C, D and E are located on a straight line in that order. The distance from A to E is 20cm. Te distance from A to D is 15cm. The distance from B to E is 10com. C is halfway between B and D. What is the distance from B to C?
Monday, June 20, 2011 at 2:16am by Annabella Richards

distance formula
distance^2= (x1-x2)^2 + (y1-y2)^2 distance^2=(5-4)^2+(5-4)^2=1+1 distance= sqrt 2
Tuesday, October 18, 2011 at 6:11pm by bobpursley

math
that is the answer i have but it is not correct. i guess i am suppose to reduce it and square the answer. I have tried another problem. Find the distance between the pair of points (-6.2,4.6)(-4.5,0.6) i have the distance as 141.50 and their answer is 4.35. how did they get ...
Tuesday, June 23, 2009 at 6:06pm by Veronica

math - word problem. help asap?
in a certain math class, each student has a text book, every 2 students share a book of tables, every 3 students share a problem book, and every 4 students share a mathematics dictionary. If the total number of books is 75.. how many students are in a class? how many students ...
Sunday, December 3, 2006 at 1:15am by Agnes

math
going along with the above problem how would you determine two formulae that calculates the distance from a point on the ellipse to each of the foci. please help
Wednesday, May 6, 2009 at 11:46pm by mike

Physical Science
I need some help. I have tried working this problem and can't get it. A scale model of the solar system is being constructed where 40cm of the model represents 0.5 AU of actual distance. What is the model dimension, in meters, for the distance of Jupiter from the sun?
Sunday, April 8, 2012 at 2:22am by mel

Math Help Please
I got this problem today in school, and I don't know how to go about soving it. Can someone show me. Thanks. Here it is. The distance s(t) between an object and its starting point is given by the antiderivative of velocity function v(t). Find the distance between the ...
Wednesday, May 14, 2008 at 9:26pm by Johnathan

physics
How fast WAS it rolling on the table before it fell off. I don't think the height of the table (1.5m) or distance from table (.8m) are relavent to the problem. Is this a trick problem???
Tuesday, January 20, 2009 at 10:38pm by Bob

Alg I
Three towns A, B, and C lie on a straight road in that order.The distance from B to C is 6 miles more than twice the distance from A to B.The distance from A to C is 2 miles more than four times the distance from A to B.What is the distance from A to B?
Tuesday, December 7, 2010 at 4:47pm by Jensen

math
The distance from B to D is approximately (x+10) feet, and the distance from A to C is approcimately (2x-5.3) feet. what is the approximate distance from A to C?
Thursday, November 4, 2010 at 11:06pm by alex

Math word problem
I have this word problem that I can't figure out. The problem is: A 15 lb weight is positioned 10 in. form a fulcrum. At what distance from the fulcrum must a 12 lb weigt be positioned to keep the scale balanced? The substitute that I had today said that the 12 lb. weight ...
Wednesday, August 27, 2008 at 8:46pm by Tiffany

Math
Hi, I don't remember how to solve this. Please help me remember. "I live 3 miles north and 1 mile west of the mall. Ellen lives 2 miles south and 5 miles east of the mall. What is the shortest distance between our houses?" Thanks in advance, Haley Think about it...
Wednesday, February 28, 2007 at 5:39pm by Haley

Physics
a. h=sqrt(1/2 g t^2_ solve for t. b. distance=time*160m/s that is horizonal distance. Slant distance is slant distance=sqrt(5100^2+horizontalDistanc^2) c.what was horizontal distance in b?
Wednesday, September 19, 2012 at 8:46pm by bobpursley

Math Word Problem
A cross section of a nuclear cooling tower is a hyperbola with equation x^2/90^2-y^2/130^2=1. The tower is 450ft tall and the distance from the top of the tower to the center of the hyperbola is half the distance from the base of the tower to the center of the hyperbola. Find ...
Wednesday, April 29, 2009 at 5:52pm by John

Math
For a seesaw to balance, weight X distance on one side of the seesaw has to equal weight X distance on the other side. x = distance of adult 14 - x = distance of child 204x = 81.6(14 - x) Simplify the equation and solve for x.
Wednesday, April 24, 2013 at 6:08pm by rbowh

math
Use the following situation to answer the next four questions. The formula for these questions came from the police department. They use this formula to determine the speed at which the car was going when the driver applied the brakes, by measuring the distance of the skid ...
Saturday, March 3, 2012 at 3:54pm by alyssa

physics
Velocity walking on sidewalk=velocitysidqalk+velocitywalking = distance/time1+distance/time2 = distance/167sec+ distance/110 seconds = 110 distance+167distance/(110*167) or 277 *distance/(110*167) or distance/timewalkingonsidewalk=above timewalkingonsidewalk=110*167/277
Saturday, August 6, 2011 at 8:14am by bobpursley

Physics- energy
Question 1The best way to determine levelness is to see if slope of velocity versus time for both directions are equal but opposite. Question 4:The greatest magnitude of net force is when the cart is going uphill. Uphill has a Net force greater by twice friction. It is not ...
Thursday, March 27, 2008 at 4:03am by J

Math
This is a 3rd grade math problem that my son had on homework. Can you explain how to derive the answer for this problem? The problem, as wriitten, is below.... I have 10 thousands, 11 tens, 12 hundreds, and 0 ones. What number am I? Thank you
Friday, November 2, 2012 at 5:56pm by Math Mom

Math (Trig.)
Assume that the distance travelled before turning 60 degrees is x The total distance travelled = x+10 Distance A-B in straight line = x + 6 Use the cosine rule: (x+6)^2 = x^2 + 100 - (2*x*10*cos(120)) Finish the calculation, you'll find x. Total distance travelled will be...
Wednesday, March 9, 2011 at 7:47pm by agrin04

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