1. elementary differential geometry

    Suppose that all the tangent lines of a regular plane curve pass through some fixed point. Prove that the curve is part of a straight line. Prove the same result if all the normal lines are parallel.

    asked by thida on January 31, 2015
  2. science

    three point electric charges q,2q,4q are placed at the three vertices of an equilateral triangle inscribed in a circle. find the net elect ric field at the centre of the triangle. answer : I think the answer is( 9×10^9 ×q√10)/r^2 ,where r is the radius

    asked by shivansh on May 4, 2016
  3. Language Arts

    What fact does the author use to support her opinion about bleach? (1 point) 1. Bleach is a poison. 2. Bleach is an expensive part of processing water. 3. Bleach isn’t terrific to have around. __________________________________________ Note: This is not

    asked by Student on February 28, 2013
  4. geometry

    Hi I really need help. I am extremley behind with some course homework for my summer courses. If someone got give the answers to the one's below, it would be greatly appreciated. Thank you so much. 1) Point G is the centroid AG = 18 AE =? 2)Given the

    asked by please please please I really need help on July 7, 2018
  5. Cousino

    A small motor boat travels to a point five miles upstream and back again in a total time of 1 hour and 20 minutes. If the boat makes 8 miles per hour in still water, what was the velocity of the stream?

    asked by Leesha on October 15, 2016
  6. Maths - Polar coordinates

    The point (3, 2) is rotated 30 degrees about the origin. What are the polar coordinates of this after rotation? Am I right in saying it's (root13, 30)? The angle rotated and the radius calculated as root(3^2 + 2^2)? I can convert between polar and

    asked by Hannelore on June 4, 2017
  7. Physics

    A mortar shell is launched with a velocity of 100m/s at an angle of 30 degree above the horizontal from a point on a cliff 50m above a level plain below. How far from the base of the cliff does the mortar shell strike the ground?

    asked by Mark on October 24, 2011
  8. physics

    A 4.10 kg object on a horizontal frictionless surface is attached to a spring with spring constant 840 N/m. The object is displaced from equilibrium 50.0 cm horizontally (in the + direction) and given an initial velocity of 9.9 m/s back toward the

    asked by Anonymous on September 7, 2013
  9. physics

    A partical p is projected from a point on the surface of long smooth inclined plane. Simultaneously another particle Q is released on the smooth inclined plane from the same position. P and Q collide after t=4 sec. The speed of projection of p is:

    asked by shubhi on August 20, 2014
  10. Physics

    The period of oscillation of a spring-and-mass system is 0.60 s and the amplitude is 4.1 cm. What is the magnitude of the acceleration at the point of maximum extension of the spring? I have too many unknowns to use the equation for frequency, period,

    asked by Brenda on November 17, 2012
  11. AP Chemistry

    Each increase in pressure of 100 atm decreases the melting point of water by 1.0 degrees C. Estimate the temperature at which liquid water freezes under a pressure of 400 atm. How do I approach this problem?

    asked by Thuy on October 27, 2010
  12. math

    How would I write 2 inequalities that describe in basketball that 2 points = field goal and 1 point = free throw and I have scored at least 3 points in every game this season and 15 points for the most points in one game? Please Explain! I don't

    asked by Katie on January 21, 2013
  13. Physics

    A ball is dropped from a height of 20 m. You can use the relation between the work done by gravity and the change in the ball's kinetic energy to determine the speed of the ball at any point in its free fall. The speed of the ball when it hits the ground =

    asked by Jennifer Tailbow on February 4, 2014
  14. Structural Steelwork

    A workshop table has an equilateral triangular top, each side of which is 900mm, the legs being at the three corners. A load of 500N is placed on the table at a point distant 325mm from one leg and 625mm from another. What is the load on each of the three

    asked by David on December 21, 2016
  15. Chem9

    An aqueous solution containing 35.1 grams of an unknown molecular (noneolectrolyte) compound in 152.5 grams of water was found to have a freezing point of -1.8 degrees C. Calculate the molar mass of the unknown compound.

    asked by Ryan on May 2, 2011
  16. physics

    A basketball player is standing on the floor 10.0 m from the basket as in the figure below. The height of the basket is H = 3.05 m, and he shoots the ball at an angle, è = 42.8°, with the horizontal from a height of h = 2.04 m. (a) What is the

    asked by Jessica on October 7, 2014
  17. algebra

    Abby Tanenbaum paddled her canoe 10 miles upstream, and then paddled back to her starting point. If the rate of the current was 3 mph,and the entire trip took 3.5 hours, what was Abby's rate (in still water)?

    asked by Jennifer on April 23, 2013
  18. Physics

    A ball is thrown at 41° below the horizontal from a rooftop of height 65 m. It lands 2 s later. Find: Find: a) its initial speed b) the point of impact with the ground; m from the base of the building c) the angle at which it hits the ground. ° below the

    asked by Vivian on September 28, 2014
  19. Management Accounting

    Victoria Kite Company, a small Melbourne firm that sells kites on the Web wants a master budget for the next three months, beginning January 1, 2005. It desires an ending minimum cash balance of $5,000 each month. Sales are forecasted at an average

    asked by Robin on September 18, 2006
  20. 12th grade MATH

    1.)A picture 8 in. by 12 in. is placed in a frame which has a uniform width. if the area of the frame is equal to the area of the picture, find the dimension of the frame (8+2x)(12+2x)-96 = 96 (8+2x)(12+2x)=96+96 96+4x(2)=192 4x(2)=192-96 4x(2)=96

    asked by Blue on October 7, 2013
  21. Social Studies Business

    1. If a consumer makes monthly payments of $250 to pay off a car loan, what type of credit is she using? A) Non-Revolving B) Revolving C) Short Term D) Unsecured 2. Caitlin wants to buy an airline ticket, but she's uncomfortable taking that much cash to

    asked by Reeses on May 7, 2017
  22. Social Studies Help ASAP

    Why did the British want to expand control into the Ohio Valley in the mid-1700s? a. to force the French out of North America b. to put French settlers there under English rule c. to demonstrate Britain’s strength to France and Spain d. to gain access to

    asked by Vicky on August 31, 2016
  23. math

    1. Find the area of a parallelogram with base b and height h. b = 87 cm h = 18.6 cm (1 point) 105.6 cm2 211.2 cm2 809.1 cm2 1,618.2 cm2 2. Find the area of the triangle. A triangle has a base of 21 yards and a perpendicular height of 8.2 yards. (1 point)

    asked by my on April 26, 2017
  24. Math

    Can you please explain step by step on how to do each of these two problems below? And then tell me whether it involves an arithmetic sequence or a geometric sequence I also need the work shown out for both problems thank you. 1). A person hired a firm to

    asked by John on August 7, 2011
  25. Physics

    When heating water on a stove, a full pan of water takes longer to reach the boiling point than a pan that is half full. Why?

    asked by Anonymous on December 1, 2013
  26. Physics

    Which way does the magnetic vector B point in the vicinity of the Earth's North Pole? A. Upward B Downward C. Horizontally D. THere is no magnetic field at the North Pole

    asked by Jessica on October 30, 2010
  27. Calculus

    f(x)= x/(1+x)^2 c) find the intervals of concavity and the inflection points. My answers: f is concave downward on (- infinity, 2) and concave upward on (2, infinity). Inflection point: ( 2, 2/9)

    asked by Anonymous on December 31, 2014
  28. Calculus. I need help!

    HARDER PARTS WAS 3(x^2+y^2)^2=26(y^2+y^2) Find the equation of the tangent line to the curve (a lemniscate) 3(x^2+y^2)^2=26(y^2+y^2) at the point (-4,2). The equation of this tangent line can be written in the form y=mx+b where m is:? and where b is:?

    asked by MILY on March 2, 2012
  29. physics

    Use the data of this table to find the point between Earth and the Sun at which an object can be placed so that the net gravitational force exerted by Earth and Sun on this object is zero.

    asked by monic on November 14, 2012
  30. Math HELP!!

    Gina uses a magnifying glass to look at bugs. A caterpillar that is 2 inches long appears 4.5 inches long through the glass. What is the scale factor? (1 point) 2.25 ** 0.4 9 2.5

    asked by lily stoner on November 3, 2016
  31. calculus

    -find the equation of the tangent line to the curve y=5xcosx at the point (pi,-5pi) -the equation of this tangent line can be written in the form y=mx+b where m= and b= -what is the answer to m and b?

    asked by Daniel on February 24, 2011
  32. Math Calc

    An object is moving along a circle of radius 5 . When the object is at the point (−4,3) , the y value of its position is changing at the rate of 9 units per second. How fast is the x value of its position changing at that moment?

    asked by Ken on November 25, 2012
  33. Math

    On a 20 question math test, your teacher gives you five points for every correct answer and takes away one point for each incorrect answer. If you score 70 on the test, how many did you get correct?

    asked by Brian on June 19, 2016
  34. Chemistry

    The freezing point depression of a 0.100 molality solution of NaCl(aq) solution is 0.34 deg C. Calculate the % dissociation of NaCl(aq) (Kf for water = 1.86 deg Cm^-1)

    asked by AJ on August 30, 2009
  35. physics 1

    A 7.2 kg diver stands at the end of a diving board 2.80 meters from its support. calculate the magnitude of the torque cause by the diver on the board the point of support.

    asked by dominic on February 1, 2011
  36. physics - electric field

    a point particle with charge q= 4/5 uC is placed on the x-axis at x=-10cm. A second particle of charge Q is now placed on the x-axis at x = 25cm, and its found that the electric field at the origin is zero. Find Q.

    asked by J Velji on January 17, 2011
  37. algebra.

    Tim started out traveling at 60 km/h. Two hours later, Mike left from the same point. He drove along the rode at 80 km/h. How many hours does Mike have to drive to catch up with Tim?

    asked by rebecca on January 21, 2010
  38. Math

    Jack has baseball practice every third and swimming practice every second day. During a month that has 30 days how many days will jack have both practices. I am a little stuck on this one. Can you point me in the right direction?

    asked by Matt on September 11, 2016
  39. Trig

    A 60 ft. antenna stands on top of a building, From a point on the ground, the angles of elevation to the top and bottom of the antenna measure 58 and 44 respectively. How tall is the building

    asked by John on April 5, 2011
  40. Chemistry

    The freezing point of a 5% solution of boric acid is -1.55 degrees Celsius.How many grams of boric acid should be used in preparing 500mL isotonic solution?

    asked by Qin on October 14, 2018
  41. college algebra

    in an ellipse. Assume the distance from the listener to the talker is 180 ft. If the distance from the talker, to any point on the wall, to the listener is 240ft, then what is the width of the room?

    asked by alexus on April 20, 2017
  42. Pre Algebra

    a wire is stretched from the top of a 26-foot pole to a point on the ground that is 15 feet from the bottom of the pole. Approximately how long is the wire in feet? 16 21 30 37

    asked by Maddox on October 24, 2014
  43. STATISTICS

    the percentage of adults who have at some point in their life been told that they have hypertension is 23.53%. If 8 adults are randomly selected, find the probability that between 2 and 4 of then inclusive have been told that they have hypertension

    asked by amber on January 26, 2012
  44. chemistry

    what quantity of heat is required to vaporize 141 g of benzene at its boiling point 80.1 degrees celcius? heat of vaporization is 30.8 degrees celcius.

    asked by Angela on January 20, 2011
  45. Product MGT

    At the grocery store, you buy a pack of 18 eggs and decide that when you get down to only 6 eggs you will buy another 18. In this scenario, what is your re order point? In this situation, what is your order quantity ?

    asked by Alice on April 29, 2014
  46. ymous

    You're standing 14 feet from the edge of a cylindrical water tank and is 26 feet from the point of tangency. the tank is 10 feet tall. what is the volume in cubic feet

    asked by anon on March 8, 2012
  47. physics

    three point charges are placed at the following points on the x-axis: +2µC at x=0, -3µC at x=40 cm, -5µC at x=120 cm. Find the force (a) on the -3µC charge (b)on the -5µC charge.

    asked by Joanna Luz on January 24, 2011
  48. Math

    On a 20 question math test, your teacher gives you five points for every correct answer and takes away one point for each incorrect answer. If you score 70 on the test, how many did you get correct?

    asked by Brian on June 19, 2016
  49. Calculus

    Find parametric equations for the tangent line to the curve with the given parametric equations at the specified point. x=4cos(t) y=4sin(t) z= 10cos(2t) (2sqrt2,2sqrt2,0)

    asked by Mike on April 20, 2010
  50. chemistry

    If this "point" for a particular titration occurs at pH x, a good indicator for for the titration would be indicator. Note: Provide only 1 indicator name (even if there are other indicators possible) and make sure the spelling is correct. X indicator 0.9

    asked by help on April 23, 2010
  51. math

    A plane flies 90km on a bearing 030 degree and then flies 150km due east. How far east of the starting point is the plane?

    asked by Damilola on August 18, 2014
  52. Algebra2

    Write an equation for the line in point/slope form and slope/intercept form that has the given condition. 1. Passes through (3, 2) and is parallel to 2x-y=4 2. Passes through (-1, -1) and is perpendicular to y = 5/2x + 3

    asked by Pablo on November 29, 2012
  53. geometry

    A snail is crawling along a meter stick. At a certain point the snail stops. The snail needs to crawl three times as far as it has already crawled in order to be 4 cm from the end. How far has the snail already crawled?

    asked by Josh on July 12, 2010
  54. general science

    a train goes forward at a speed of 1 m/s for 20 seconds. then it stops and goes backward at a speed of 0.5 m/s for 4 seconds. after both movements are completed, how far is the train located from its starting point.

    asked by frank on February 7, 2012
  55. physics - electric field

    a point particle with charge q= 4/5 uC is placed on the x-axis at x=-10cm. A second particle of charge Q is now placed on the x-axis at x = 25cm, and its found that the electric field at the origin is zero. Find Q.

    asked by J Velji on January 17, 2011
  56. Physics

    A 0.32 kg meter stick balances at its center. If a necklace is suspended from one end of the stick, the balance point moves 39.0 cm toward that end. What is the mass of the necklace?

    asked by Tory on March 21, 2010
  57. Chemistry

    A solution contains 25 mmol of H3PO4 and 10. mmol of NaH2PO4. What volume of 2.0 M NaOH must be added to reach the second equivalence point of the titration of the H3PO4 with NaOH?

    asked by Holly on March 23, 2013
  58. Trig

    A plane flies 1.3 hr at 100mph on a bearing of N40degreesE. It then turns and flies 1.5hr at the same speed on a bearing of S50degreesE. How far is the plane from its starting point?

    asked by SK on November 28, 2010
  59. Chem

    a solution containing 100g of unknown liquid and 900g water has a freezing point pf -3.33 C. given kf=1.86 degrees c for water, the moelcular weight of the unknown liquid is what?

    asked by Court on February 12, 2012
  60. Math

    6.A rectangle has a coordinate at (3,5),(3,8) and (9,5).Plot the points to determine the coordinate of the fourth point. a)(-3,5) b)(9,8) c)(8,9) d)(-9,8)*** 9.What is the length of the line segment between M(2,-9) and N(2,-14)? a)5 units*** b)6 units c)15

    asked by #HOMEWORK on April 14, 2015
  61. CALCULUS HELP

    Write the equation of the tangent line to the graph of the function at the indicated point. Check the reasonableness of your answer by graphing both the function and the tangent line. Y=(x-2)/(15-x^2) x=-4 HOW DO WE DO THIS

    asked by Herosugar on September 25, 2012
  62. Math

    Dakota says the point on the number line shown here is 4/5. His teacher says that he is reading the number line incorrectly. What is Dakota's error? What is the correct fraction?

    asked by Amari on April 16, 2015
  63. physics

    a ball moves up a hill with an initial velocity of 3m/s. four seconds later, it is moving down the hill at 9.0m/s. find the displacement of the ball from its initial point of release

    asked by osama on November 12, 2011
  64. physics

    a ball moves up a hill with an initial velocity of 3m/s. four seconds later, it is moving down the hill at 9.0m/s. find the displacement of the ball from its initial point of release

    asked by osama on November 12, 2011
  65. Chemistry

    you have 5% formic acid solution and a 5% acetic acid solution. You titrate 5mL each with .1868M NaOH. A. Which will need more NaOH to reach the end point? B. How much more?

    asked by jack on November 24, 2015
  66. math calculus

    Use implicit differentiation to find the equation of the tangent line to the curve xy^3+2xy=9 at the point (31). The equation of this tangent line can be written in the form y=mx+b where m is

    asked by LEON on November 13, 2010
  67. MATH

    Ido not know how to do this. A jar contains 5 green erasers, 2 striped erasers, 4 pink erasers, and 3 white erasers. You select an eraser at random. What is P(not pink)? (1 point)

    asked by Anonymous on May 28, 2014
  68. physics

    three point charges each of magnitude +q are located at the vertices of an equilateral triangle of side L. what magnitude of charge should be placed at the centroid of triangle to keep all the three charges in equilibrium?

    asked by Akash on April 28, 2013
  69. Math

    a test 50 problems on it. for every correct answer, 2 points are given. for each incorrect answer, 1 point is subtracted. sue scored 85 points. how many problems did she miss?

    asked by Anonymous on October 7, 2015
  70. Physics

    determine the point of zero gravitation force, as measured from the centre of earth (mass 5.97 x 10^24 kg) to the sun ( mass 1.99 x 10^30 kg) if the earth-sun distance is 150 x 10^6 km.

    asked by S on February 13, 2016
  71. physical science

    two forces of 60 and 80 newton respectively act simultaneously at the point ...sketch and determine their resultant force using tail to tail method and tail to tail method

    asked by kgahliso mahlaba on January 31, 2017
  72. Chem.

    Ethanol has a heat of vaporization of 38.56 KJ/Mol. And a normal boiling point of 78.4 degrees celcius. WHAT is the vapor pressure of ethanol at 18 degrees celcius??

    asked by Joseph on February 10, 2010
  73. math

    Identify the rate, base, and amount in each rate 75% statement or question. Do not solve the base 150 exercise at this point. 150 is 75% of what number?

    asked by Veronica on September 3, 2008
  74. Physics

    A car drives east at 40km/h and then turns back and drives west back to the strating point at 70 km/h, what is the avarge speed of the car?

    asked by need help on October 3, 2016
  75. Chemistry

    Calculate the normal boiling point of a compound that has a vapor pressure of 19.30kPa at 167 Fahrenheit and a vapor pressure of 1.86kPa at 77 Fahrenheit.

    asked by Annonymous on January 27, 2015
  76. calculus 12

    7. ABC has vertices A(3,2,-5), B(4,-1,7) and C(-8,3,-6). a) Determine the area of ABC. b) Determine the coordinates of point D such that ABCD is a parallelogram. c) Is the parallelogram a rectangle? Justify your answer.

    asked by samantha on May 28, 2013
  77. Calculus

    I have a graph of f(x) which I cant post here, but would like some help with concepts. lim f(x) = L x->a I already found the limit for different values of a. Now I need to find the value of f(a) at each point. So is f(a) = lim f(x) x->a So f(a) is just the

    asked by George on July 7, 2015
  78. biology

    Regulation of an enzyme's activity occurs a) before the enzyme is produced b) during the production of the enzyme. c) when the enzyme already exists in the cell. d) at any point on the enzymatic production pathway. Thank you

    asked by chris on February 20, 2012
  79. physics

    a boy starts from point a and moves 5 units toward the east, then turns back and moves 3 units toward the west. What is the dispacement in the position of the boy?

    asked by Anonymous on September 23, 2011
  80. infinite discontinuity

    How do check the graph of a function has an infinite discontinuity at a point or not? (without the help of a graphing calculator) example: Check whether y = (x^2-9)/(3x-9) has an infinite discontinuity at x = 3 or not CAn you get rid of the denominator?

    asked by Jen on December 11, 2006
  81. physics

    Two spheres with charges of 4.00nC and 3.00nC are placed 0.500m apart. At what point between the two charges must the third charge of 2.00cN be placed so that the net electrostatic force acting on this charge is zero?

    asked by Megan on April 5, 2012
  82. Math

    6.A rectangle has a coordinate at (3,5),(3,8) and (9,5).Plot the points to determine the coordinate of the fourth point. a)(-3,5) b)(9,8) c)(8,9) d)(-9,8)*** 9.What is the length of the line segment between M(2,-9) and N(2,-14)? a)5 units*** b)6 units c)15

    asked by #HOMEWORK on April 14, 2015
  83. physics

    a boy starts from point a and moves 5 units toward the east, then turns back and moves 3 units toward the west. What is the dispacement in the position of the boy?

    asked by Anonymous on September 23, 2011
  84. Physics

    A gardener holds a hose 0.75 m above the ground such that water shoots out horizontally and hits the ground at a point 2 m away. What is the speed with which the water leaves the hose?

    asked by Hababa on March 6, 2015
  85. Math

    Find the area of the given circle. Round to the nearest tenth. A circle with radius measuring 3 point 5 centimeters A. 22.0 cm² B. 38.5 cm² C. 11.0 cm² D. 42.8 cm²

    asked by Anonymous on January 28, 2019
  86. AP Chem

    What is the freezing point in degrees Celsius of a solution prepared by dissolving 11.3 (g) of calcium nitrate in 115 (g) of water? K of f for water is 1.86 degrees Celsius/m

    asked by Anonymous on January 22, 2013
  87. business

    1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious

    asked by lou on December 16, 2012
  88. business statistics

    1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious

    asked by sherry on November 19, 2012
  89. business

    1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious

    asked by lou on December 15, 2012
  90. business

    1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious

    asked by lou on December 15, 2012
  91. Math

    Is this answer correct? Jeremy is in Grade 8. He has a paper route and wants to save for his college education. He determines that he has $100 per month to put into an account at 6%/a compounded monthly. How much will he have at the end of five years for

    asked by Alicia on January 16, 2011
  92. College Algebra~ Check answer please

    Can someone check my answers please. The formula for calculating the amount of money returned for an initial deposit into a bank account or CD (certificate of deposit) is given by A=P(a+r/n)^nt A is the amount of the return. P is the principal amount

    asked by Alicia on December 11, 2007
  93. Chemistry 30

    A mass of 45.0g of molten silver at its melting point is poured into 750mL of calorimeter water at 25.0C. The final temperature reached by both is 30.0C. If the specific heat capacity of silver is 0.235 kJ/kgC, calculate the molar heat of solidification of

    asked by Amber on March 8, 2015
  94. calculus 2

    A tomato is thrown upward from a bridge 23 m above the ground at 40 m/sec. Take the acceleration of gravity be equal to 9.8 m/s^2 (a) Give formulas for the acceleration, velocity, and height of the tomato at time t. (b) How high does the tomato go, and

    asked by Rachel on January 28, 2013
  95. Chemistry

    The data below was collected while performing a titration of acetic acid (in vinegar) to determine its concentration using sodium hydroxide. 150 ml of vinegar with unknown molarity 45.5 ml of .5 M NaOH was added to reach equivalence point Find the molarity

    asked by Anonymous on May 16, 2016
  96. Physics

    A tomato is thrown upward from a bridge 23 m above the ground at 40 m/sec. Take the acceleration of gravity be equal to 9.8 m/s^2 (a) Give formulas for the acceleration, velocity, and height of the tomato at time t. (b) How high does the tomato go, and

    asked by Rachel on January 28, 2013
  97. Social Studies

    The Supreme Court usually only accepts a writ of certiorari when: A. they have a light case load and can take a few extra cases. B. there is a significant point of law to consider. C. two members of the Court feel it is important to hear a particular case.

    asked by Anthony on July 13, 2011
  98. Physics

    A uniform plank weighing 50N and 12m long is pivoted at a point of 4m from one end.A boy weighing 30N sits on a plank 7m from pivot.where must his elder brother whose weight is 80N sit to balance the plank horizontally

    asked by Anonymous on May 29, 2013
  99. Physics

    A GPS satellite orbits at an altitude of 2.0 x 10^7 m and a speed of 3.9 x 10^3 m/s, Earth’s radius is 6.4 x 10^6 m, and a point at its equator has tangential speed of 460 m/s, By approximately what fraction must the time be adjusted to account for both

    asked by Katie on January 21, 2013
  100. Physics

    I came here earlier with this question: "A force of 20 N acts toward the west. Another force acts at the same point so that the resultant of the two forces is zero. What is the magnitude and direction of the second force?" I was wondering if someone could

    asked by Shelby on March 5, 2013

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