Tuesday

July 22, 2014

July 22, 2014

Number of results: 18,923

**math**

19 cars start a race. in how many ways can the top 3 cars finish
*December 14, 2013 by harry*

**math**

if i an 100' from a tree and the angle to the top is 24 degrees how tall is the tree
*May 26, 2014 by mike*

**chemisty**

what will be the mass of angydrous Alum left over if one starts with 100.00 g of hydrated Alum? please can you explain what fraction do I need to use. Based on the given information I can find the %theoretical of water in angydrous Alum. But I still don't understand how to ...
*October 21, 2010 by Jay*

**Physics**

A boat must cross a 260-m-wide river and arrive at a point 110 upstream from where it starts. To do so, the pilot must head the boat at a 45 degree upstream angle. THe current has speed 2.3 m/s. a) What is the speed of the boat in still water? b) How much time does the journey...
*February 5, 2013 by Chris*

**Physics**

Aircraft with acceration of magnitude of 42.5 m/s. If starting from rest how long will it take to travel a 2.6 km runway?
*February 10, 2008 by Jordan*

**Physics**

What Net Force is necessary to give a 2.0 kg mass initially at rest an acceleration of 5.0 m/s^2? Is the answer 10. N?
*March 9, 2009 by Dan*

**physics**

A particle at rest undergoes an acceleration of 2.1 m/s2 to the right and 5 m/s2 up. a) What is its speed after 7.9 s? Answer in units of m/s.
*November 3, 2009 by naomi*

**physic**

If A Ball Is Dropped From Rest And Falls 4 Meters In 0.8 Seconds, What Is The Final Velocity When It Reaches The 4 M?
*November 29, 2009 by nesha*

**social studies**

what forms the border between south asia and the rest of the asian continent
*January 7, 2010 by anonymous *

**physics**

A 1300 kg sports car accelerates from rest to 90 km/h in 7.0 s. What is the average power delivered by the engine?
*March 1, 2010 by peyton*

**UncG**

A 1300 kg sports car accelerates from rest to 90 km/h in 7.4 s. What is the average power delivered by the engine?
*June 6, 2010 by kendra*

**Math**

1/4=3-2x-1/x+2..so far i have 8x^2-19x+4=0 do i use quadratic formula to solve the rest of the way?
*September 21, 2010 by Roger*

**physics**

what is the speed of a ball after it has fallen freely from rest through a distance of 12 meters
*October 7, 2010 by elana*

**Physics**

A 1300 sports car accelerates from rest to 90 in 6.5 . What is the average power delivered by the engine?
*October 17, 2010 by Nikohl*

**physics**

A yo-yo of radius 10 cm and mass 1 kg is dropped from rest. What is the instantaneous torque on the yo-yo if I hold the string with my fingers?
*November 4, 2010 by lacey*

**physics**

A force of 3000 N is applied to a 1500-kg car at rest. (a) what is its acceleration? (b) what will its velocity be 5 s later?
*November 11, 2010 by dominic echols*

**world history**

whan part of a country leaves or breaks off from the rest it is called?
*February 24, 2011 by Anonymous*

**Physics**

A 1300 kg sports car accelerates from rest to 85 km/h in 6.2 s. What is the average power delivered by the engine?
*February 28, 2011 by Kathleen*

**physics**

what potential difference delta V is required to accelerate protons from the rest to 10% of the speed of light?
*April 13, 2011 by ike*

**physics**

state the energy hans-formation which occurs when a car is brought to rest by its break
*May 29, 2011 by dayo*

**History**

how did some people hope to solve the problem of california’s isolation from the rest of the country?
*May 31, 2011 by Annie*

**Coordinate system**

XComplete the table of values for the equation 8x+2y=80 xy 0? ?0 2? that is what I got so far, please help me get the rest
*July 19, 2011 by Catherine*

**physics**

Is the mass of an object has an effect velocity with it land on the ground when freely falling from rest?
*July 21, 2011 by Agnes*

**physics! please help!**

A car accelerates from rest at 4.9 m/s2. How much time does it need to attain a speed of 6 m/s?
*September 18, 2011 by Chloe*

**physics**

A particle at rest undergoes an acceleration of 2.9 m/s2 to the right and 2.6 m/s2 up. What is its speed after 5.3 s? Answer in units of m/s
*October 1, 2011 by adam*

**PHYSICS HELP**

what is the minimum amount of energy required to accelerate horizontally a 3.0g bullet from rest to a speed of 40.0 m/s?
*October 26, 2011 by emilyy*

**physics**

a car accelerates along a straight road from the rest to 90 km/h in 5 s what is the magnitude of its average acceleration
*November 19, 2011 by nour*

**physics**

Calculate the speed (in m/s) of a skateboarder who accelerates from rest for 4 seconds down a ramp at an acceleration of 3 m/s2.
*December 23, 2011 by Sabrina*

**physics**

what net force is needed to accelerate a 2.0kg mass from rest to a velocity of 10m/s in 5.0s
*January 30, 2012 by alkhalid*

**math**

a quarter dropped from rest covers how much distance free falling for 10 seconds
*January 31, 2012 by gary*

**Physics**

How long does it take a motor cyclist to come to rest?which travels at 12m/s decelerates at 3m/s^2
*February 10, 2012 by Kenneth*

**CHEMISTRY!!!=0**

Determine the pH of each solution: (a) 0.10 M NH4Cl can someone show me how to do this one so i have the idea of how to do the rest. thanks!
*March 1, 2012 by ALISON*

**PHYSICS**

A BODY CHANGES IT'S VELOCITY FROM 20M/S UNTIL IT COMES TO REST IN 10 SECONDS.WHAT IS IT'S ACCELERATION
*May 17, 2012 by PHIL*

**physics**

a 60kg sprinter accelerates from rest at 2.5m/s east for 4s. what force is acting and what is his final speed?
*May 28, 2012 by tantan*

**physics**

At a certain instant a moving object comes to momentary rest. Is it accelerating at that moment?
*September 19, 2012 by princess*

**physics**

A 1.00 x 10^3 kg sports car accelerates from rest to 25.0 m/s in 7.50 s. What is the average power output of the automobile engine?
*December 6, 2012 by Leslie*

**PHYSICS**

how far will a 1000kg car travel in 10 sec if it is accelerated from rest by a force of 5000N
*December 11, 2012 by Dave*

**physical education**

is too much exersise and sports training without any rest good for health?
*May 31, 2013 by kundavai.u*

**art**

What's the 9 principles of design I know balance,unity,variety,movement, and emphasis...but the rest..idk
*September 4, 2013 by Ashlynn*

**physical science**

a particle moves from rest and accelerated at 5.00m/s2. how long does it take to travel m?
*March 15, 2014 by angelah*

**physics**

if a train at 72kmphr is to be brought to rest in a distance of 200 m then its retardation is A 20m/s^2 b 10m/s^2 c 2m/s^2 d 1m/s^2
*June 11, 2014 by AYESHA*

**chemistry**

Solid Na2SO4 is added to a solution which is 0.014 M in Pb(NO3)2 and 0.041 M in AgNO3. Assume the volume remains constant. Ksp = 2.0 10-8 for PbSO4 and Ksp = 1.2 10-5 for Ag2SO4. (a) Which compound precipitates first? 1 PbSO4 (b) What is the concentration of the first ion ...
*May 11, 2009 by Andre*

**college physics**

find the frictional force exerted on a 20kg block pulled slowly over a horizontal floor using a rope which makes a 30 degree angle over the horizontal. the pulling force is 100N??? i found the Fn to be 146 N what do i do from there?
*June 10, 2010 by josh*

**Physics**

A block of mass M=6 kg and initial velocity v=0.8m/s slides on a frictionless horizontal surface and collides with a relaxed spring of unknown spring constant. The other end of the spring is attached to a wall. If the maximum compression of the spring is 0.2 m, what is the ...
*July 21, 2013 by Helena Beau*

**Math**

A rectangular table top measures 1/6 of a meter long by 1/5 of a meter wide. What is its area?
*January 23, 2013 by Anonymous*

**communications**

Does Maslow’s Hierarchy of Needs place our social needs at the top level
*June 14, 2009 by sally*

**science**

where do scavengers go on the food web/ food chain? like on the top or botttom orr?
*March 3, 2010 by christina*

**math**

a rectangular table top measures 4/5 of a meter long by 4/5 of a meter wide. What is the area?
*July 25, 2010 by kevin*

**Math**

On a die, the top and bottom numbers always add up to 7. What are the three pairs that each add up to?
*February 9, 2011 by Lauren*

**mathematics**

∫ _0^(1/2)xdx/√(1-x²) the half should be at the top of this ∫ and the zero at the bottom.
*May 28, 2011 by lisa*

**mathematics**

∫ _0^(1/2)xdx/√(1-x²) the half should be at the top of this ∫ and the zero at the bottom.
*May 29, 2011 by lisa*

**Geometry **

what is the value of x in the isosceles trapezoid below? the top is 10x degrees and the bottom is (3x+11) degrees
*October 20, 2011 by Lorraine *

**math**

How many 9 inch square tiles are needed to cover a table top that is 3 feet by 3 feet?
*January 31, 2012 by Kimberly*

**math**

how many 9 inch square tiles are needed to cover a table top that is 3 feet by 3 feet?
*February 13, 2012 by Anonymous*

**Math**

A rectangular table top measures 7 / 9 of a meter long by 2 / 9 of a meter wide. What is the area
*October 28, 2012 by Tamara*

**math**

a rectangular table top measures 1/7 of a meter long by 3/8 of a meter wide. what is its area?
*November 10, 2012 by alma*

**algebra**

√5 ____ √45 How do you simplify this. Do you multiply the top and bottom by the square root of 45
*March 7, 2013 by Jordan *

**business studies**

core business activities of absa at the top of jse csr index
*March 25, 2013 by mamodibo high school*

**math**

a bird on top of a lightpole 27 feet tale and i am 50 feet at an angle of 28 degrees how far am i
*April 17, 2013 by Anonymous*

**math**

a rectangular table top measures 7/9 of a meter long by 1/8 of a meter wide. What is the area?
*June 16, 2013 by Santina*

**geography **

what does mexico's city site on top of the aztec city suggest about the location?
*October 1, 2013 by jessica *

**physics**

A 2.0 kg rock is dropped from the top of a building. I lands 14.0 seconds later. How tall was the building?
*December 16, 2013 by sydney *

**physics**

a ball is dropped from the top on an 80-m high building. what speed does the ball have in falling 3.5 s?
*March 30, 2014 by Katie*

**math**

It could be different. One is supposed to define symbols before one starts with a Let statement, as in Let B= a constant Let b= some other constant or let b=B I suspect it is a sloppy typographical error, so B+b= 2B or =2b in math is there a differenc in B and b for example if...
*March 29, 2007 by bobpursley*

**Calculus**

Suppose that a population of bacteria triples every hour and starts with 700 bacteria. (a) Find an expression for the number n of bacteria after t hours. n(t) = ? (b) Estimate the rate of growth of the bacteria population after 1.5 hours. (Round your answer to the nearest ...
*November 3, 2009 by Alex*

**English**

I forgot to include these three more sentences. Thank you 1)He wants his audience to realise that it is industry that is responsible for the dull appearance and atmosphere of the town. 2) The brickwork is then described as having “the painted face of a savage” because of the ...
*January 12, 2011 by Franco*

**math**

Please help: A continuously compounded account starts with $2500 in principal. The annual interest rate is 11.3%. What is the balance after 15 years? pert: Value= Principal*ert = 2500* e0.11(15) = 2500 * e1.65 wow. thanks
*April 22, 2007 by Lydia*

**Physics**

A golfer rides in a golf cart at an average speed of 3.10 m/s for 21.0 s. She then gets out of the cart and starts walking at an average speed of 1.60 m/s. For how long (in seconds) must she walk if her average speed for the entire trip, riding and walking, is 2.10 m/s?
*October 2, 2009 by Kristina*

**physics**

A golfer rides in a golf cart at an average speed of 3.10 m/s for 26.0 s. She then gets out of the cart and starts walking at an average speed of 1.20 m/s. For how long (in seconds) must she walk if her average speed for the entire trip, riding and walking, is 2.30 m/s?
*January 15, 2010 by Mary*

**Physics**

A golfer rides in a golf cart at an average speed of 3.10 m/s for 23.0 s. She then gets out of the cart and starts walking at an average speed of 1.30 m/s. For how long (in seconds) must she walk if her average speed for the entire trip, riding and walking, is 2.00 m/s?
*October 1, 2010 by Sean *

**physics**

A golfer rides in a golf cart at an average speed of 3.10 m/s for 29.0 s. She then gets out of the cart and starts walking at an average speed of 1.40 m/s. For how long (in seconds) must she walk if her average speed for the entire trip, riding and walking, is 2.20 m/s?
*October 1, 2010 by joe*

**physics**

A golfer rides in a golf cart at an average speed of 3.10 m/s for 28.0 s. She then gets out of the cart and starts walking at an average speed of 1.30 m/s. For how long (in seconds) must she walk if her average speed for the entire trip, riding and walking, is 2.10 m/s?
*September 28, 2011 by Anonymous*

**Trigonometry**

A black bordering Sapphire St. is a right triangle. You start walking around the block, taking 125 paces on sapphire st. and 102 paces on Diamond st. a.) At what angle do Diamond and Sapphire Street Intersect ?
*December 3, 2012 by Lelouch*

**trogonometry**

A black bordering Sapphire St. is a right triangle. You start walking around the block, taking 125 paces on sapphire st. and 102 paces on Diamond st. a.) At what angle do Diamond and Sapphire Street Intersect ?
*December 3, 2012 by mae*

**Math**

a set of building block includes various shapes and colors. If 10% of the blocks are cubes, then 40% of the cube blocks are red the what % of the blocks are red cubes?
*September 5, 2011 by Ti*

**Physics **

A rock is thrown horizontally off of a cliff. It starts with a velocity of 4.2 m/s and the cliff is 68.2 m high. How far out from the bottom of the cliff does the rock fall? 57m 59m 63m 45.8m
*April 26, 2012 by Jessica*

**Physics Please Answer**

A helium ion is at rest in a laboratory when it is put in an electric field of E=2 N/C. An infrared light, of wavelength 2000 nm, is directed towards the ion. The ion is moving towards the source of radiation. After what time in the laboratory frame in seconds will the ion ...
*July 13, 2013 by Steve*

**tyndall**

1. In the middle of the page, draw two vertical lines an inch long, an inch apart, and that are parallel to each other. 2. About a half inch below the lines, draw a half-inch horizontal line that is centered between the lines. 3. Draw a line from the bottom of the left ...
*September 7, 2013 by ferdinand*

**Calculus**

The Problem: The spherical top holds a little over 54,000 gallons of water. The base of the top is 60 feet above the ground. The diameter of the supporting column is one-third the radius of the sphere. The base of the supporting column flares out like a cone (a frustum) so ...
*March 27, 2011 by Zach*

**Physics**

A ball is thrown straight up and rises to a maximum height of 21 m above the ground. At what height is the speed of the ball equal to half of its initial value? Assume that the ball starts at a height of 1.9 m above the ground.
*February 2, 2011 by Renee*

**Physics**

A ball is thrown straight up and rises to a maximum height of 24 m above the ground. At what height is the speed of the ball equal to half of its initial value? Assume that the ball starts at a height of 1.9 m above the ground.
*September 13, 2011 by Joe*

**Physics**

A ball is thrown straight up and rises to a maximum height of 20 m above the ground. At what height is the speed of the ball equal to half of its initial value? Assume that the ball starts at a height of 2.1 m above the ground.
*February 2, 2012 by Tarra*

**English**

What is Distributed Effort and why is it important? Please help! :'Thanks!:@ distributed effort In psychology, learning that involves small units of work and interpolated rest periods, as contrasted with massed learning, in which the individual works continually until the ...
*May 16, 2007 by Sanca & Cho*

**Physics**

Two manned satellites approaching one another at a relative speed of 0.200 m/s intend to dock. The first has a mass of 4.50 multiplied by 103 kg, and the second a mass of 7.50 multiplied by 103 kg. Assume that the positive direction is directed from the second satellite ...
*July 14, 2013 by Amy*

**Literature**

[From Thunder On Sycamore Street by Reginald Rose] 2. We first sense that something out of the ordinary is going on when a. Frank quietly asks what the other people on the block are saying b. Roger is allowed to turn on the TV c. Frank announces that he sold 3 tractors d. ...
*January 21, 2010 by mysterychicken*

**Literature**

[From Thunder On Sycamore Street by Reginald Rose] 2. We first sense that something out of the ordinary is going on when a. Frank quietly asks what the other people on the block are saying b. Roger is allowed to turn on the TV c. Frank announces that he sold 3 tractors d. ...
*January 21, 2010 by mysterychicken*

**Physics**

Can you help me through this one? I don't want just the answer: A ball is thrown straight up and rises to a maximum height of 24 m above the ground. At what height is the speed of the ball equal to half of its initial value? Assume that the ball starts at a height of 1.9 m ...
*September 15, 2011 by Logan*

**Math**

A boat, whose speed in still water is 2.80m/s , must cross a 280m wide river and arrive at a point 120m upstream from where it starts. To do so, the pilot must head the boat at a 45.0 degrees upstream angle. What is the speed of the river's current?
*September 12, 2009 by Anne*

**Math**

Simplify. (5x2 + 3x - 7) - (x2 - 7x + 4) Simplify. (5x^2 + 3x - 7) - (x^2 - 7x + 4) distribute - sign to get -x^2 +7x -4 put on top of one another and add 5x^2 + 3x - 7 -x^2 + 7x - 4 ------------- 4x^2 +10x -11
*December 16, 2006 by Lily*

**math**

if an acorn falls 45 feet from the top of the tree, how long will it take for the acorn to hit the ground.
*March 19, 2008 by ICE*

**sentence**

somebody can help me to make sentence with this words? sat,sit,tub,top,stop,step Thank you for help!
*February 19, 2009 by cosmin*

**algebra**

how do i simplify the following: 2x^2 +13x +15 over 4x+6 . I simplified 4x+6 to 2(2+3), but I can't remember how to simplify the top part. Please help
*March 25, 2010 by Anonymous*

**physics**

A stone is dropped from the top of a cliff. It hits the ground below after 3.10 s. How high is the cliff?
*August 26, 2010 by ami*

**college**

the length of the top of a table is 3 m greater than the width. the area is 88m^2. find the dimensions of the table
*November 15, 2010 by will*

**calculus**

find the derivative of y= sigma (top number is x and bottom number is square root of x) e^t/t dt please and thank you
*December 9, 2010 by sam*

**algebra**

the length of the top of a table is 6 m greater than the width. the area is 91m^2. Find the dimensions of the table.
*December 19, 2010 by jane*

**trig**

80 feet from the base of a tower the angle of elevation to the top is 36 degree find the height of the tower
*February 11, 2011 by ...wew*

**trig**

the basic N of an antenna rests on horizontal ground. the angle of elevation of the top R from a pt H on the ground is 42 degrees
*October 17, 2011 by Anonymous*

**physics**

if you want to reach a speed of 13 m/s at the top of the loop-the-loop, how much power must you supply to the go-kart?
*November 28, 2011 by Anonymous*

**science**

A 5kg object is resting on top of a 30m building. How much energy does the object have?
*March 5, 2012 by James*

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