Sunday

March 1, 2015

March 1, 2015

Number of results: 48,607

**Calculus**

Grain is being dropped into a silo from a tall conveyor belt forming a right circular cone with diameter at the base equal to the height. The grain is being added at the rate of 10 cubic inches per second. How fast is the height changing when the height is 80 inches
*January 27, 2013 by Sam*

**math((PLEASE HELP!))**

A contractor has been asked to pave 15 miles of new road. Before he can set his price, he needs to know how much the cement will cost. If the road is 45 feet wide and 9 inches thick and the cost of cement is $35 per cubic yard, what will be the cost of the cement needed for ...
*May 2, 2013 by Suzy*

**physics**

As you eat your way through a bag of chocolate chip cookies, you observe that each cookie is a circular disk with a diameter of = 8.92 1×10^−2 and a thickness of = 6.6×10^−2 1×10^−3 . the average volume of a cookie; 4.12 cm^3 ratio of the diameter to the ...
*September 2, 2011 by baby*

**physics**

As you eat your way through a bag of chocolate chip cookies, you observe that each cookie is a circular disk with a diameter of = 8.92 1×10^−2 and a thickness of = 6.6×10^−2 1×10^−3 . the average volume of a cookie; 4.12 cm^3 ratio of the diameter to the ...
*September 2, 2011 by baby*

**Physics Project**

I am currently doing a physics project where I am launching a wooden pellet by using a sling into a container full of water. By changing the length the rubber band is stretched, I am measuring the pellet's submergence distance into water. I know that the velocity of the pellet...
*August 10, 2008 by Kel*

**algebra help please**

Mixture Problem... An auto tech needs a radiator to have a 40% antifreeze solution. The radiator currently is filled with 4 gallons of a 25% antifreeze solution. How much of the antifreeze mixture should be drained from the car if the mechanic replaces it with pure antifreeze?
*February 27, 2012 by kay*

**Math**

16.Eliot spent 24 minutes solving 8 math problems.At that rate, how many math problems can he solve in 54 minutes? a.12 B.16 C.18 D.24 A? 17.Ronald got 92% of the problems correct on a test.Which number could also represent 92%? A.9.2 B.0.092 C.9/2 D.46/50 D 18.Lakeshmi made a...
*March 23, 2013 by Jerald*

**Physics**

The figure below shows two current carrying wires and the directions of the currents they carry. The wires carry the following currents: I1 = 7.1 A and I2 = 8.9 A. Wire 1 is at (0, 5.8) mm; wire 2 is at (15.1, 0) mm; point P is at (15.1, 5.8) mm. Wire 1 is pointing into the ...
*April 10, 2012 by Jessica*

**physics**

a 2390 kg car traveling to the west at 22.4 m/s slows down uniformly under a force of 8740 N to the east. (a) How much force would be required to cause the same acceleration on a car of mass 3140 kg? Answer in units N (b) How far would the car move before stopping? Answer in ...
*February 9, 2009 by Bob*

**cleveland**

A 28 kg chair intially at rest on a horizontal floor requires a 360 N horizontal force to set it in motion. Once the chair is in motion, a 329 N horizontail force keeps moving it at a constant velocity. The acceleration of gravity is 9.81 m/s^2. What is the coefficient of ...
*December 17, 2009 by adam*

**physics**

using the strap at an angle of 31° above the horizontal, a Grade 12 Physics student, tired from studying, is dragging his 15 kg school bag across the floor at a constant velocity. (a) If the force of tension in the strap is 51 N, what is the normal force on the bag? image (b) ...
*March 5, 2010 by sylvia*

**Physics**

Two crates, of mass m1 = 60 kg and m2 = 130 kg, are in contact and at rest on a horizontal surface (Fig. 4-54). A 620 N force is exerted on the 60 kg crate. The coefficient of kinetic friction is 0.15 a)Calculate the acceleration of the system. b) calculate the force that each...
*October 11, 2010 by Syl*

**Physics**

Another toboggan with a mass of 30kg is being accelerated at 40 cm/s^2 by two boys pulling ropes at an angle of 20degrees with the direction of travel. They are each pulling with a force of 25N. a) what is the force of friction? b) if, after reaching a speed of 3.0m/s, the ...
*October 19, 2010 by Mayson*

**physics**

A luge and its rider, with a total mass of 84 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 41 m/s. Assume that they stop with a constant deceleration of 3.5 m/s2. (a) What magnitude F is required for the decelerating force? (b) ...
*October 28, 2010 by Sam*

**Physics**

A 6.99-kg block is placed on top of a 12.9-kg block that rests on a frictionless table. The coefficient of static friction between the two blocks is 0.565. What is the maximum horizontal force that can be applied before the 6.99-kg block begins to slip relative to the 12.9-kg ...
*October 6, 2014 by Kyler G.*

**Statistics**

Suppose in a carnival game, there are six identical boxes, one of which contains a prize. A contestant wins the prize by selecting the box containing it. Before each game, the old prize is removed and another prize is placed at random in one of the six boxes. Is it appropriate...
*June 21, 2010 by Jacob*

**Statistics**

Suppose in a carnival game, there are six identical boxes, one of which contains a prize. A contestant wins the prize by selecting the box containing it. Before each game, the old prize is removed and another prize is placed at random in one of the six boxes. Is it appropriate...
*June 21, 2010 by Jacob*

**Chem**

net ionic equation of aluminum hydroxide + sodium hydroxide
*April 2, 2011 by Adrianna*

**chemistry**

Write molecular, ionic, and net ionic equations. HIO2(aq) + Ba(OH)2(aq) -->
*June 20, 2011 by Brea*

**chemistry**

Write molecular, ionic, and net ionic equations. HIO2(aq) + Ba(OH)2(aq) -->
*June 20, 2011 by Brea*

**Chemistry**

What is the net ionic equation for the reaction Cu(s) + 2 Ag (NO3)2(aq) --- Cu(NO3)2(aq) + 2AG(s)
*September 29, 2011 by Monique*

**math**

what is the net date august 29 with terms of 4/15 eom what is the discount date
*May 23, 2013 by Anonymous*

**science**

1.What two things happen to particles in a substance when the substance is heated? 2. What are the three most common states of matter on Earth? 3. Why does a liquid take the shape of whatever container it is in but does not expand to fill the container completely? 4. A certain...
*February 8, 2014 by bob*

**Physics**

1.A 24 kg crate initially at rest on a horizon floor requires a 75 N horizontal force to set it in motion, once the crate is in motion, a horizontal force 53 N keeps the crate moving with a constant velocity. Find the coefficient of kinetic friction, between the floor and crate.
*October 19, 2009 by Bob*

**physics**

During a lift off , the thrust a rocket produces must overcome the force of gravity in order to lift the rocket off the ground. If a rocket with a mass of 5kg produces a force of 180N, how fast will the rocket be travelling 3 seconds after ignition?
*August 18, 2010 by Cassy*

**physics**

consider the magnitude of the normal force that the pilot's seat exerts on him at the bottom of a dive. The plane is traveling at 273 m/s on a vertical circle of radius 706 m. Determine the ratio of the normal force to the magnitude of the pilot's weight. For comparison, note ...
*February 23, 2011 by heather*

**Chemistry**

A student makes a solution by dissolving 55.8 grams of potassium hydroxide in 875.0 grams of water. The resulting solution has a density of 1.07 grams per milliliter. 1. What is the volume of this solution? 2. Calculate the % concentration of this solution. 3. Calculate the ...
*January 31, 2011 by Paul*

**English**

Hello! Need some help with these 3 sentences. They have to be filled with either simple future, going to future or present continuous 1. Son: Mum, what are we having for dinner tonight? Mum: I haven’t decided yet. But I think we __________(HAVE) pasta. 2. When____________you ...
*April 24, 2012 by Mark*

**Chemistry**

Hi I was reading that in a many electron atom (eg. Helium), it is assumed that each electron occupies its own orbital.. thus,the overall wavefunction (w) is w(1).w(2)... how is this possible?? isn't the 1s orbital of helium filled with 2 electrons so what do they mean that ...
*December 7, 2008 by Kimora*

**math**

A 12 qrt. cooling system is checked and found to be filled with a solution that is 40 % antifreeze. The desired strength of the solution is 60% antifreeze. how many quarts of solution need to be drained and replaced with pure antifreeze to reach the desired strength.
*August 31, 2014 by melody*

**Math**

A bottle contains some milk. Three glasses of capacity 4l,6l,and 8l are to be filled an exact number of times from it. What must be the least capacity of the bottle. Please mr sue give me what must be the least capacity of the bottle
*January 26, 2015 by Noor*

**Physics**

Augustine continues to run around. He gets to the park and has the overwhelming urge to jump off a cliff and try to fly. He does so at an angle of 50 degrees to the horizontal while running at 14.5m/s. With his arms flapping, he rises in the air. a) what is the highest point ...
*December 8, 2011 by Daniella*

**Physics**

Augustine continues to run around. He gets to the park and has the overwhelming urge to jump off a cliff and try to fly. He does so at an angle of 50 degrees to the horizontal while running at 14.5m/s. With his arms flapping, he rises in the air. a) what is the highest point ...
*December 8, 2011 by Daniella*

**physics**

The horizontal surface on which the block of mass 5.1 kg slides is frictionless. The force of 62 N acts on the block in a horizontal direction and the force of 124 N acts on the block at an angle of 60 degrees. What is the magnitude of the resulting acceleration of the block? ...
*October 1, 2011 by Kylie*

**Physics**

A block of mass m is being dragged across the floor by a force F. The coefficient of friction between the block and floor is u. Show that if the block is being accelerated by the force F from rest for a time t, the speed of the block at time t can be found from: Vf= (F/m - ug)t
*November 10, 2011 by Courtney*

**Physical Science**

A car and a truck are on the highway. Both need to accelerate at 7 m/s2 in order to avoid an accident. a. Find the force acting on the car, which has a mass of 408 k b. Find the force acting on the truck, which has a mass of 2,100 kg.
*February 20, 2013 by Laura*

**physics**

A 63.8 N crate is pulled up a 5.22 m inclined plane by a worker at constant velocity. If the plane is inclined at an angle of 59 degree to the horizontal and there exists a constant frictional force of 32.6 N between the crate and the surface, what is the force applied by the ...
*April 7, 2013 by need help please*

**Physics**

As a baseball is being caught, it's speed goes from 30.0m/s to 0m/s in about 0.0050s. The mass of the baseball is 0.145kg A) what is the baseballs acceleration B) what are the magnitude and direction of the force acting on it? C) what is the magnitude and direction of the ...
*January 23, 2014 by Sandara*

**physics**

A hydraulic lift has a leak so that it is only 6.0 × 101% efficient in raising its load. If the large piston exerts a force of 1.00 × 102 N when the small piston is depressed with a force of 15 N and the radius of the small piston is 18 cm, what is the radius of the large piston?
*April 10, 2014 by Radius of a piston*

**Physics**

super mouse steals a large piece of cheese by rolling it across the floor with a force of 5.0 N. If the cheese has a mass of 50 kg with what acceleration does the cheese move? If super mouse's force remains constant, what will be the speed of the rolling cheese
*December 5, 2014 by Jennifer*

**Science**

A Block rests on a horizontal surface.The normal force is 20 N.The coefficient of static friction between the block and the surface is 0,40 and the coefficient of dynamic friction is 0,20. What Is the magnitude of the frictional force exerted on the block while the block is at...
*February 2, 2015 by Lesego*

**Math**

Thanks in advance, these problems have been stumping me. Please include answers though, I have tried to work it out, but need answers to see where I am going wrong/where I need to go. 1. Determine all solutions for X^4+2-3i 2. Forces of 60 and 100 pounds have a resultant force...
*May 11, 2009 by Hujinson*

**chemistry**

Calculate the volume ( mL ) of the solute C2H5OH and the mass ( g ) of the solvent diethyl ether that should be mixed to produce 3.46 kg of a solution that is 1.31 m C2H5OH. volume ( mL ) of the C2H5OH mass ( g ) of the (C2H5)2O Molar Mass (g/mol) C2H5OH 46.07 (C2H5)2O 74.12 ...
*June 3, 2010 by Judy*

**chemistry**

What is the molecular, ionic, and net ionic equations for Copper(II) sulfate + sodium phosphate?
*November 3, 2010 by Stacy*

**TQM HONDA**

hi do you guys know what is the quality dimensions of Honda or any car brand, i cant find it on net...thanks
*September 1, 2011 by strawberry charlotte*

**Physics**

An iron ion contains 26 protons, 27 neutrons, and 23 electrons. What is the net charge of the ion?
*December 4, 2011 by David*

**chemistry**

i need a molecular, ionic and net ionic equation for this : K_3 PO_4 + BaCl_2
*March 23, 2012 by jhong*

**Chemistry 132**

What is the net ionic equations for Ca Cl2 + Na2 CO3=Ca CO3 + 2Na Cl
*February 25, 2013 by Anonymous*

**Business Math**

An invoice is dated Aug 29 with terms of 4/15 E.O.M. What is the discount date and net date ?
*May 21, 2013 by Joyce*

**Algebra 1**

The football team lost 6 yards and then gained 8 yards. What was the net loss or gain?
*January 25, 2014 by Jynessa*

**Chemistry**

How would you write the net ionic equation for [Co (en) 2Cl2]Cl with AgNO3. Is it AgNO3 ----> Cl^- + 3Ag^+?
*April 30, 2014 by Ellen*

**geometry**

An ice cream server fills a cone, which is 15.7 cm high and 7.2 cm across, with ice cream. She then tops the cone with a nicely rounded half-scoop. On top of this she puts the second scoop. To the nearest cubic centimeter, how much ice cream did you receive?
*May 1, 2012 by Piggy*

**Physics**

Suppose there is a small hole (radius=0.0203) at the base of a large tank. If the height of water in the tank is 15m (a) what is the speed of water escaping through the hole? (b) Calculate the amount of water (in cubic meters per second) escaping the tank.
*November 27, 2012 by Jamie*

**software error?**

I've tried twice to post the web site for Circle of Fourths for "Mike" but apparently can not? A couple of times recently (before and after the move to the new server), I got the error message when trying to post a response to a student. I just clicked the Back arrow to get my...
*June 12, 2006 by SraJMcGin*

**english**

unscrabble saocitnenrov fiubyeta jax, joe, jill, max, kayla, john, or whoever -- Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. Try these: http://www.ssynth.co.uk/~gay/...
*April 30, 2007 by jax*

**Math**

The bike slots in the bike rack are filled. Don's bike is in the middle. And there are 3 bikes placed to the right side of Don's bike. How many bikes are there in the bike rack?
*February 26, 2009 by john*

**English**

parrots,those life spance is no longer than 20 year.... is the use of the term "no longer" correct in this sentence? or is there any other mistakes in this sentence? thx. There are several spelling and word choice errors, an error of fact, AND it is not a sentence. spance ...
*July 12, 2007 by Jarin*

**Chemistry (Acids and Bases)**

I just did a lab on Acids and Bases and I am having trouble with the lab questions I was given to complete. Concentration of NaOH: 0.09999 M Volume of NaOH: 3.25 mL # moles of NaOH: 0.325 moles Initial Concentration of Weak Acid: ? (How do we calculate this) Part 2: Hydrolysis...
*March 29, 2009 by Lalu*

**Fluid Mechanics**

A cylinder with internal diameter of 5cm and 15 cm high is filled up with an unknown substance. The mass of the cylinder is 4.6 kg which is 300% of the unknown substance mass. Determine the density and the specific gravity of the unknown substance.
*September 21, 2014 by Lara*

**Finance**

Holly, a speculator, expects interest rates to decline in the near future. Thus, she purchases a call option on interest rate futures with an exercise price of 92-10. The premium on the call option is 2-24. Just before the expiration date, the price of Treasury bond futures is...
*April 28, 2010 by Sam*

**physics**

A 45 kg skater is standing still in front of a wall. By pushing against the wall she propels herself backward with a velocity of -1.0 m/s. Her hands are in contact with the wall for 0.80 s. Ignore friction and wind resistance. Find the magnitude and direction of the average ...
*October 14, 2008 by kb*

**Physics**

21) A 46 kg skater is standing still in front of a wall. By pushing against the wall she propels herself backward with a velocity of – 1.2 m /s. Her hands are in contact with the wall for 0.8 s. Ignore friction and wind resistance • Find the magnitude and direction of the ...
*December 4, 2012 by Bill*

**Chemistry**

In the study of biochemical processes, a common buffering agent is the weak base trishydroxymethylaminomethane, often abbreviated as Tris. At 25 C, Tris has a pKb of 5.91. The hydrochloride can be abbreviated as Tris HCl. What volume of 10.0 M NaOH is needed to prepare a ...
*November 14, 2010 by Alexandra*

**Chemistry Equilibrium**

1.15 g oh h2O (density 1.00 g/ml) is introduced into an empty 1.00 L container. The seled container is heated to 412 K and .150 moles of O2 (g) is present at equilibrium. A. Wrte the equilibrium expression for the reaction above. B. Calculate the equilibrium concentration (in ...
*February 26, 2015 by Lola*

**Physics**

A motorcycle has a constant speed of 24.0 m/s as it passes over the top of a hill whose radius of curvature is 103 m. The mass of the motorcycle and driver is 347 kg. (a) Find the magnitude of the centripetal force that acts on the cycle. (b) Find the magnitude of the normal ...
*October 23, 2010 by Anthony*

**physics**

A motorcycle has a constant speed of 24.0 m/s as it passes over the top of a hill whose radius of curvature is 103 m. The mass of the motorcycle and driver is 347 kg. (a) Find the magnitude of the centripetal force that acts on the cycle. (b) Find the magnitude of the normal ...
*October 23, 2010 by Anthony*

**Physics**

A man doing push-ups pauses in the position shown in the figure . His mass = 68 kg. Image: img145.imageshack.us/img145/7130/picture1n.png a= 40 cm b= 95 cm c= 30 cm Determine the normal force exerted by the floor on each hand. Determine the normal force exerted by the floor on...
*November 7, 2010 by Nicole*

**physic**

Superman must stop a 120km/h train in 150m to keep it from hitting a stalled car on the tracks.If the train's mass is 3.6x10^5kg,how much force must he exert?Compare to the weight of the train (give as%).How much force does the train exerts on Superman?
*July 2, 2011 by noah*

**physic**

Superman must stop a 120km/h train in 150m to keep it from hitting a stalled car on the tracks.If the train's mass is 3.6x10^5kg,how much force must he exert?Compare to the weight of the train (give as%).How much force does the train exerts on Superman?
*July 2, 2011 by noah*

**Chemistry**

I've got a similar question as a previous student. What is a minimum volume (in gallons) of ethylene glycol (CH2OHCH2OH, an antifreeze) that has to be added to 3.00 gal of water if you desire this engine cooling solution (for a auto radiator) NOT to be frozen below - 25.9 oC...
*September 25, 2012 by Holly*

**English**

I urgently need to find a site where I can get a video lesson with transcript of the Holocaust. By the way, could you check these sentences I'm not sure of? 1)Robinson’s ship was stuck (wrecked) in the sand and the waves were dashing over it. There was nobody there. Robinson ...
*May 25, 2011 by Henry1*

**Statistics**

Jan Gentry is the owner of a small company that pro¬duces electric scissors used to cut fabric. The annual demand is for 9,000 scissors and Jan produces the scissors in batches. On average, Jan can produce 185 scissors per day. Demand for scissors has been about 45 scis¬sors ...
*September 24, 2011 by Running Out of Time dee*

**Math**

Jan Gentry is the owner of a small company that pro¬duces electric scissors used to cut fabric. The annual demand is for 9,000 scissors and Jan produces the scissors in batches. On average, Jan can produce 185 scissors per day. Demand for scissors has been about 45 scis¬sors ...
*September 25, 2011 by Deana*

**physics**

An explosion occurs at the end of a pier. The sound reaches the other end of the pier by traveling through three media: air, fresh water, and a slender metal handrail. The speeds of sound in air, water, and the handrail are 355, 1410, and 5380 m/s, respectively. The sound ...
*April 29, 2012 by chelsea*

**physics**

An explosion occurs at the end of a pier. The sound reaches the other end of the pier by traveling through three media: air, fresh water, and a slender metal handrail. The speeds of sound in air, water, and the handrail are 356, 1460, and 5400 m/s, respectively. The sound ...
*October 31, 2014 by danon*

**physics**

I have 2 questions: Assuming that water has a density of exactly 1 g/cm3, find the mass of one cubic meter of water in kilograms. Suppose that it takes 10.0 h to drain a container of 5700m3 of water. What is the "mass flow rate," in kilograms per second, of water from the ...
*September 2, 2010 by Scott*

**statistics**

M&M plain candies have weights that are normally distrbuted with a mean weight of 0.8565 gram and a standard deviation of 0.0518 gram. A random sample of 100 M&M candies is obtained from a package containing 465 candies: the package label states that the net weight is 396.9 ...
*July 19, 2010 by cindy*

**Statistics**

Suppose in a carnival game, there are six identical boxes, one of which contains a prize. A contestant wins the prize by selecting the box containing it. Before each game, the old prize is removed and another prize is placed at random in one of the six boxes. Is it appropriate...
*June 14, 2010 by John*

**physics**

Two crates A and B connected together by a light rope are pulled along a factory floor by an applied force, F. Crate A has a mass of 50 kg and the coefficient of friction (μ) between crate A and the floor is 0,25. Crate B has a mass of 35 kg and μ between B and the ...
*June 3, 2012 by Nick*

**algebra/math**

Jamal is in charge of 3 lemonade stands at Summer Fun Day. He has 4 pitchers that will hold 9, 5,4 and 2 quarts. The largest pitcher is filled with lemonade, and the others are empty. How can Jamal use the pitchers to be sure he has pitchers with 3 quarts of lemonade in each one?
*November 13, 2014 by Re*

**AP BIo**

IF a core is cut from a carrot and the hole is filled with corn syrup and sealed by a glass tube and then suspended in pure water, what would happen to the cells adjoing the hole, to the epidermal cells? Also, what will happen to the level of the liquid in the glass tube
*October 5, 2008 by Kelly*

**college algebra**

an inlet pipe can fill a large water tank in 3 hours. an outlet pipe can empty the same tank in 5 hours. given an empty tank, at 8pm, activate both pipes. what time on the clock will it be before the tank is completely filled?
*September 30, 2009 by L*

**physics**

A tank of height H is filled with water and sits on the ground. Water squirts from a hole at a height y above the ground and has a range R. For two y values, 0 and H, R is zero. Determine the value of y for which the range will be a maximum. (Use any variable or symbol stated ...
*November 27, 2012 by joshua*

**Chemistry**

A 1.0-mL volume of 0.010 M H2SO3 is added to a mixture of 12 drops of 0.010 M HIO3, 8 drops of deionized water, and 1 drop of starch solution. a color change occured after 40 seconds. the rate of reaction is measured by the disappearance of HIO3. got the reaction mixture in ...
*February 21, 2013 by Anonymous*

**chem - dry ice activity**

does the dry ice disappear more quickly in air or in water? can you explain why? supplement your explanation with a drawing of molecular behavior based on kinetic molecular theory What do you think and why? We shall be happy to critique your thoughts. The dry ice disappears ...
*April 22, 2007 by janis*

**physics (please check work)**

A uniform rod AB is 1.2 m long and weighs 16N. It is suspended by strings AC and BD. A block P weighing 96N is attached at E, 0.30N from A. The tension force in the string BD has a magnitude. My work: Taking torque around AC string clockwise=counterclockwise block P + Board ...
*December 10, 2006 by Diane*

**chem**

I have a titration of 30ml of .360 M H2C6H6O6 Its K1 =6.8E-5 K2 =2.8 E-12 With .280 M NaOH. It is a weak acid being titrated by a strong base Its a two step process with the ice table to find the eqpts. Ineed to list the volumes of NaOH needed for the titration as I go. Been ...
*July 10, 2011 by ted*

**Chemistry**

Dear Sir DrBob22 Thank you for your response we have an oil well. the well column has been completed (filled up) with completion fluid of gasoline. we want to stimulate the well by 28% HCL. if 28% HCL is to be injected into the the well column, whether a chemical reaction will...
*April 28, 2014 by Ramtin*

**calculus**

8). Part 1 of 2: In the solid the base is a circle x^2+y^2=16 and the cross-section perpendicular to the y-axis is a square. Set up a definite integral expressing the volume of the solid. Answer choices: integral from -4 to 4 of 4(16-y^2)dy, integral from -4 to 4 of (16+y^2)dy...
*April 14, 2013 by Sally*

**Multivariable Calculus - Green's Theorem**

Compute the line integral of F = <X^3, 4X> along the path from A to B. The path from A to B is not closed, it starts at A which has coordinates (-1,0) goes to (1,0) then goes up to (1,1) then left to (-2,1) then down to (-2,-1) and finally stops at B at (-1,-1). Hint: To...
*November 16, 2010 by Calvin*

**medical **

whaen comparing the flow of lymph in the lymphatic system with the flow of blood in the circulatory system, it can be said that the lymphatic system also : A- USES A PUMP B- CONTAINS FLUID THAT TRAVELS IN ONLY ONE DIRECTION C-USES VALVES TO PREVENT BACKWARD FLOW CONTAINS FLUID...
*March 4, 2011 by lillian *

**Chemsitry**

Calculate the molar mass of an unknown molecular compound mixed with solid camphor C10H16O, heated and then cooled giving the following data. show all steps in calculation. mass of unknown: 0.195 g Tf(camphor)= 179.8 degree C Kf(camphor)=-40.0 degree C/m mass of camphor-25.03g...
*July 10, 2013 by Kelly*

**Dynamics**

Which one of the following statement is correct Multiple choice question a)Energy and work are scalars b)Force and work are vectors c)Energy, momentum and velocity are vectors d)Force, momentus and velocity are scalars
*August 4, 2012 by Rajan*

**algebra**

If 182 lbs of force keeps a 1500 lb car from skidding on a curve of radius 500 ft at 30 mph, what force would keep the same car from skidding on a curve of radius 800 ft at 45 mph
*October 3, 2014 by wayne*

**icp**

Charge q is 1 unit of distance away from the source charge S. Charge p is six times further away. The force exerted between S and q is _____ the force exerted between S and p.
*September 20, 2010 by j*

**Environmental Science**

True or False: 28. Hydroelectric energy is produced by flowing water turning a turbine which generates electricity. TRUE 32. Geothermal energy is generated when heated water or steam is pumped up from inside the Earth to power a turbine that generates electricity. TRUE Am I ...
*March 1, 2010 by y912f*

**Calculus**

Let h(x)= x^3 + 4x -2. Let g(x) represent the inverse of h(x). Find g(14). I know that if (a, f(a)) is on h(x), then (f(a), a) will be on g(x). I also know that if f^-1(a)=b if f(b)=a. I thought that if I could find the x value(s) at which h(x)=14, I would be able to find g(14...
*March 31, 2009 by Kelly*

**Calculus**

Hello, I posted a question earlier but now I'm stuck on the second part of the question. Please help me. Sand is being dumped from a conveyor belt at a rate of 20 cubic ft/min into a pile the shape of an inverted cone whose diameter and height are always the same. Find the ...
*November 28, 2011 by Nathaniel*

**Physics**

A mass of 9.8 kg is moving in the positive x direction at 16.6 m/s and collides in a perfectly elastic, head on collision with a mass of 12.7 kg at rest. The same mass of 9.8 kg in the positive direction at 16.6 m/s also collides with the mass of 12.7 kg at rest in an ...
*November 11, 2014 by Kimmy*

**physics**

a cylinder of diameter 1cm at 30degree celcius is to slid into a hole on a steel plate. the hole has a diameter of 0.9997 cm at 30 degree celcius. to what temperature must be the plate be heated when steel has the alpha 1.1X10^-5/degree celcius
*September 2, 2011 by Tanya*

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