Garrett

Most popular questions and responses by Garrett
  1. Physics

    A pump is required to lift a mass of 750kg of water per minute from a well of depth 13.2m and eject it with a speed of 17.4m/s. A) How much work is done per minute in lifting the water? B) How much in giving the water the kinetic energy it has when

    asked on March 17, 2014
  2. Linear Algebra

    Let L1 be the line passing through the point P1=(9, −1, 15) with direction vector →d1=[−2, −1, −3]T, and let L2 be the line passing through the point P2=(9, 4, 8) with direction vector →d2=[−2, −1, −1]T. Find the shortest distance d

    asked on November 11, 2018
  3. chemistry

    a quantity of gas is collected over water at 15C. The manometer indicated a pressure of 24.0kPa. what would be the pressure of the dry gas?

    asked on February 24, 2012
  4. MATH

    what relation is a doorstep to a doormat

    asked on May 13, 2008
  5. Physics

    A hammer of mass M is moving at speed v0 when it strikes a nail of negligible mass that is stuck in a wooden block. The hammer is observed to drive the nail a distance L deeper into the block. A) Find the magnitude F of the force that the wooden block

    asked on March 17, 2014
  6. Physics

    A 65-kg diver jumps off a 10.0-m tower. a) Find the diver's velocity when he hits the water. b) The diver comes to a stop 2.0m below the surface. Find the net force exerted by the water. I get the first part: sqrt(2ad), thus about 14 m/s downwards. For

    asked on December 7, 2011
  7. Physics

    A factory worker pushes a 29.2kg crate a distance of 4.1m along a level floor at constant velocity by pushing downward at an angle of 28 degrees below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25. (a) What

    asked on March 17, 2014
  8. Math

    Five pounds of birdseed is used to fill 4 identical bird feeders. A. What fraction of the birdseed will be needed to fill each feeder B. How many pounds of borked seed are used to fill each feeder? C. How many ounces of birdseed are used to fill three bird

    asked on February 5, 2014
  9. algebra

    Which properties did Carmen use to solve the following problem? 17 + (45 + 23) 17 + (23 + 45) (17 + 23) + 45 40 + 45 85

    asked on November 17, 2011
  10. CHEMISTRY!!

    For the diprotic weak acid H2A, Ka1 = 2.0 × 10^-6 and Ka2 = 6.7 × 10^-9. What is the pH of a 0.0800 M solution of H2A? What are the equilibrium concentrations of H2A and A2– in this solution?

    asked on November 2, 2015
  11. Science

    he specific heat of gold is 0.031 cal/g°C. Fifty grams of gold will require ____ calories to raise the temperature 1°C. 3.1 6.2 1.55 50

    asked on January 6, 2014
  12. Chemistry

    How many grams of Ni(OH)2 are produced from the reaction of 45.0mL of 1.75 M NaOH solution?

    asked on November 28, 2010
  13. finance

    Assume that Kish Inc. hired you as a consultant to help estimate its cost of capital. You have obtained the following data: D0 = $0.90; P0 = $30.00; and g = 7.00% (constant). Based on the DCF approach, what is the cost of equity from retained earnings?

    asked on October 26, 2014
  14. physics

    a 1500 kg car moving at 20 m/s strikes a truck waiting at a traffic light, hooking the bumpers. The two continue to move together at 10 m/s. What was the mass of the truck?

    asked on March 30, 2014
  15. physics

    a 1000 kg sports car accelerates from 0-30 m/s in 5.0 s. What is tge average power delivered by the automobile engine?

    asked on March 30, 2014
  16. Chemistry

    Based on the number of moles of H_2SO_4, determine the number of moles of Na_2CO_3 needed for the neutralization reaction. Sodium carbonate ( Na_2CO_3) is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to

    asked on September 24, 2011
  17. physics

    a cannon with mass of 2,000 kg fires a 10 kg shell with a velocity of 200 m/s at an angle of 60 degrees above the horizontal. What is the recoil velocity of the cannon across the level ground?

    asked on March 30, 2014
  18. Physics

    You throw a 20-N rock vertically into the air from ground level. You observe that when it is a height 14.8m above the ground, it is traveling at a speed of 25.0m/s upward. A) Use the work-energy theorem to find its speed just as it left the ground. What is

    asked on March 17, 2014
  19. Biology

    Compared to atoms of the same element, isotopes have different A. numbers of neutrons. B. numbers of protons. (C. types of subatomic particles.) D. numbers of electrons.

    asked on April 18, 2016
  20. Science

    A factory worker pushes a 29.2kg crate a distance of 4.1m along a level floor at constant velocity by pushing downward at an angle of 28* below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25.

    asked on March 17, 2014
  21. PHYSICS

    You throw a 20-N rock vertically into the air from ground level. You observe that when it is a height 14.8m above the ground, it is traveling at a speed of 25.0m/s upward. A) Use the work-energy theorem to find its speed just as it left the ground. What is

    asked on March 17, 2014
  22. chemistry

    How many liters of pure oxygen at STP is consumed by a human being in 24 hours if the human body requires daily energy that comes from metabolizing 816 grams of sucrose (C12H22O11)? C12H22O11(s ) + 12 O2(g) => 12 CO2(g)+11 H2O

    asked on February 24, 2012
  23. Precalculus

    Suppose H(X)=(3-7x)^6 Find two functions f and g such that (f•g)(x)=H(x) Neither function can be the parent/ identity function

    asked on March 10, 2016
  24. Chemistry

    what volume of 2.50 M HCl in liters is needed to react completly(with noting left over) with .750 L of 0.500MNacCO3

    asked on December 6, 2010
  25. geometry

    Each time Old Faithful in Yellowstone National Park erupts, rangers can estimate the height of the geyser by comparing it to the height of a tree. First the rangers locate a tree of the same height. The shadow of the tree is 93 ft at the same time that the

    asked on February 14, 2019
  26. LSU

    Two point charges Q1 = -26.8 micro-Coulombs and Q2 = +38.5 micro-Coulombs are located on a vertical line with Q1 below Q2. The coordinates of Q1 is (0.0, -6.8 cm). The two charges are 28.6 cm apart. Determine the coordinates of the location where the net

    asked on September 11, 2012
  27. chemistry

    what volume does 2.5 moles of carbon monoxide occupy at 50.5 kPa pressure and 20.0 C?

    asked on February 24, 2012
  28. Physics

    An object with mass 3.0 kg is executing simple harmonic motion, attached to a spring with spring constant k =210 N/m. When the object is 0.23 m from its equilibrium position, it is moving with a speed of 0.72 m/s. (a) Calculate the amplitude of the motion.

    asked on June 12, 2014
  29. Analytical Mechanics

    A car traveling at 100Km/hr smashes into a concrete abutment. Show that the collision is the equivalent to driving off the top of a ten story building. Allow 4 meter per story and neglect air resistance. Next, find the equivalent vertical height to

    asked on February 8, 2011
  30. Physics

    An impulse of 25 N*s is exerted on a 0.25 kg baseball traveling 40 m/s west. What is the velocity of the baseball after it has been hit?

    asked on January 9, 2017
  31. trig

    Verify the trigonometric identity. Please show all steps. tanx-cotx/tanx+cotx=sin^2x-cos^2x

    asked on March 4, 2012
  32. Math

    for every girl taking classes at the school, there are 3 boys who are taking classes at the school. If there are 236 students taking classes, write and solve a propotion to predict the number of boys taking classes at the school.

    asked on January 20, 2012
  33. Chemistry

    What is the boiling point of a solution made using 731g of sucrose, C12H22O11, in 0.250kg of water,h2o ?

    asked on December 6, 2010
  34. algebra

    56 sandwiches 2 x as many as 1 st and 4 x as many as 1st

    asked on October 20, 2009
  35. Chemistery

    A hot air balloon with a volume of 3.20 x 10^3 L and 120 moles of air is at a temperature of 20C. How many moles of air will the balloon contain if it expands to 4.80 x 10^3 L and the air is heated to 45C?

    asked on March 11, 2014
  36. trig

    If a flywheel 8 ft. in diameter rotates at 80 rpm., what is the linear velocity of a point on the outside edge, in feet per minute in terms of pi?

    asked on May 7, 2013
  37. elemetary elgabra

    A tree casts a shadow 25 m long. At the same time, the shadow cast by a 57-cm tall statue is 66 cm long. Find the height of the tree to the nearest meter.

    asked on January 27, 2013
  38. chemistry

    A quantity of gas has a volume of 121 L when confined under a pressure of 2.50 atm at a temperature of 20.0 C. At what pressure will its volume be 30.0 L at 25.0 C?

    asked on February 24, 2012
  39. Perimeter and area

    The gadget comes with a page of instructions. When page is unfolded, it is 81 square inches. If one page is nine inches wide what is the perimeter?

    asked on February 3, 2011
  40. calculus

    A car is travelling at 90mph when its brakes are fully applied, producing a constant deceleration of 22 ft/sec2. Find the distance covered by the car before it comes to a stop. (Remember: 60 mph equals 88 ft/sec.)

    asked on April 11, 2010
  41. Math

    Find the most general function f such that f′′(x) = 16 cos 4x .

    asked on April 11, 2010
  42. Geography

    A geographer decides what ____________ to use for a map by determining how much detail to show? Scale

    asked on November 10, 2015
  43. Chemistry

    Calculate the freezing point of each of the solution 75.0 of glucose,C6H12O6 , added to 9.30×10−2 of water.... Please help

    asked on December 6, 2010
  44. math

    find the equation (in standard form using only integers) for the line through (2, -5) that is parallel to 2x-3y=5

    asked on April 6, 2010
  45. algebra

    I need to check & see if I understand this. 100,000 base 100 is 100 with an exponent of 5, right?

    asked on September 9, 2008
  46. Math

    Need to figure out surface area of 144 times larger than 1928^2. SA=1928in^2 Answer in feet^2. My equation is SA = (1928in^2) (144^2) = 1928 x 20736 = 39,979,008 / 12in^2 = 3,331,584 ft^2 the correct answer is 251,712ft^2 can't seem to get it..........

    asked on April 20, 2016
  47. Math

    Hannah and Tyler count the number of times the word "what" occurs. Hannah's data has a mean of 2.7 times. What could Tyler's mean be if his results are similar?

    asked on January 3, 2011
  48. Chemistry

    Please help, if you can. If you have a Log (x) = -0.123 ..... What does x = ?

    asked on December 3, 2010
  49. Grammar

    Which are the simple subject and the verb? The child was treated with erythromycin. was=verb treated = subject. Cultures were taken of the throat. were = verb cultures = subject She was seen here, stabilized, and transferred to County Hospital. she = verb

    asked on July 26, 2009
  50. can't figure it out

    -3d+1/3(6+3d)=-10 -3d + 2+d =-10 -2d=-12 d=6 -3d+2+d= -10 -2d+2= -10 just thought this step should be shown :) -2d= -12 d=6

    asked on November 15, 2006
  51. Physics

    A force of 800 N is required to move a 9000 N boat through the water with a speed of 20 m/s. The boat’s engine is providing energy at a rate of

    asked on February 6, 2017
  52. Algebra

    I have only dimes, nickels, and pennies in my wallet. Seven of the coins are dimes, 25 percent are nickels and 5/9 of them are pennies. How many coins do I have?

    asked on March 29, 2013
  53. prealgebra

    change 40 miles per hour to miles per second

    asked on March 5, 2013
  54. math

    A set of scores with a normal distribution has a mean of 32 and a standard deviation of 3.7. Which score could be expected to occur the least often?

    asked on May 28, 2012
  55. Math

    Lisa is painting a fence that is 26 feet long and 7 feet tall. A gallong of paint will cover 350 square feet. Write and solve a proportion to determine how many gallons of paint Lisa will need. Thanks, Ms. Sue for the last one...I got it!

    asked on January 20, 2012
  56. Math

    If X=11 inches, Y=8 inches, and Z=6 inches, what is the area of the parallelogram above?

    asked on February 27, 2011
  57. science

    what is sparting?

    asked on November 1, 2010
  58. calculus

    If the graph of f passes through the point (1, 0) and the slope of the tangent line at(x, f(x)) is 4x − 3, find the value of f(2).

    asked on April 11, 2010
  59. science

    How do i read a solubility curve to answer a question like: at what temp will 50g of potassium nitrate complete saturate 100cm3 of water

    asked on February 4, 2010
  60. Grammar

    re-posting answers to questions... The patient was returned to the recovery room in good condition. verb = returned , subject patient Physical examination showed marked irritability. physical examination = subject verb = showed,

    asked on July 26, 2009
  61. Grammar

    He was discharged on the fourth hospital day. verb = discharged, he= subject questions hopefully fixed and are correct now... After 24 hours in the hospital he was much improved. improved is a predicate adjective but now is the verb = was and the subject =

    asked on July 26, 2009
  62. Grammar

    Lungs were clear with an occasional cough. verb = were,lungs = subject He was discharged on the fourth hospital day. verb = discharged hospital = subject After 24 hours in the hospital he was much improved. improved is a predicate adjective but now is the

    asked on July 26, 2009
  63. Math

    I need to find a composite number whose factorization has seven prime numbers. Then I have to write it using exponents

    asked on December 4, 2008
  64. Algebra II

    Explain how you know that (n+1)^k -n^k has degree k-1 Notice that expanded the first term is n^k + 2n(k-1) and so on with diminishing powers of n. The second term is n^k so, subtracting the second from the first, the n^k term goes away, leaving the next

    asked on January 4, 2007
  1. PHYSICS

    The first answer posted by Damon is correct, but part B is not, since the problem is an action-reaction pair, the forces will be the same, thus part B is the same answer as part A

    posted on June 17, 2019
  2. chemistry

    U r gay

    posted on April 22, 2019
  3. Math

    it was rong ( . ) ( . )

    posted on July 23, 2018
  4. Social Studies

    Thanks Fred a lot. Thanks to you I got a 100%

    posted on January 25, 2018
  5. Pre Algebra

    Both are wrong!!! I got 5 out of 21 with Kelsey's and would have gotten 4 out of 21 with Anonymous.

    posted on May 4, 2016
  6. Algebra

    Yes both f and b are nonlinear. When plugged into a graphing calculator they are the only lines that aren't straight plus you should immediately know if it's squared it is going to be a parabola.

    posted on March 10, 2016
  7. Social Studies--Check My Answers Please--

    The answer for number two is A.

    posted on February 17, 2016
  8. Chemistry

    C9H7N (aq) + H2O---> C9H7NH+ (aq) + OH- (aq)

    posted on October 29, 2015
  9. spanish

    Number one is jugador, a member of a team. and 2 is bucear, to scuba dive

    posted on October 25, 2015
  10. Math 2

    10

    posted on March 10, 2015
  11. chemistry

    the sample weighs .141 grams. so in order to find the weight of the watch glass you will have to subtract the sample from the total weight(9.203g). Therefore, the watch glass weighs 9.062 grams.

    posted on January 31, 2015
  12. science

    NO ASHLEY, IT IS NOT RIGHT AND YOU JUST MADE ME FAIL A QUIZ

    posted on October 28, 2014
  13. Science

    (a) What magnitude of force must the worker apply? (b) How much work is done on the crate by this force? (c) How much work is done on the crate by frication? (d) How much work is done on the crate by normal force? (e) How much work is done on the crate by

    posted on March 17, 2014
  14. Describe how you would make 250 mL of 0.500 M HCI

    How did you get 12.1 M HCI?

    posted on July 20, 2012
  15. Chemisty

    When a sample of potassium nitrate is heated, oxygen gas is produced. This gas, collected in a 750 milliliter flask, has a pressure of 2.8 atmosphere and the temperature is recorded to be 53.6°C. How many moles of oxygen gas are produced in this reaction?

    posted on July 3, 2012
  16. Calc

    16

    posted on October 10, 2011
  17. Math

    $6.00-$4.50=$1.50 divided by 2 bags of popcorn gives you .75 cents.

    posted on February 3, 2011
  18. Chemistry

    75.0G *

    posted on December 6, 2010
  19. Chemistry

    and the equation is 2HCL+Na2CO3=2NaCl+H2O+CO2

    posted on December 6, 2010
  20. Chemistry

    Thank you!

    posted on December 3, 2010
  21. physics

    The answer is actually 14.72 m/s :) (the square root of 1.3*75/.45 = 14.72)

    posted on September 29, 2010
  22. 3rd Grade Math

    Is 8,000 mL greater than or less than 7L

    posted on April 27, 2009
  23. Verbs (please answer all, don't give me a website)

    4. We have sewn them ourselves. action verb, transitive verb. Correct? 6. Hillary will wear blue. action verb, intransitive verb. Correct/

    posted on November 11, 2008
  24. Verbs (please answer all, don't give me a website)

    4. We have sewn them ourselves. have sewn is action verb, transitive verb. Is this correct! 6. Hillary will wear blue. will wear is action verb, intransitive verb. Is this correct.

    posted on November 11, 2008