1. engineering science

    a bale of weight 200 newtons hanged at the end of a rope.find the acceleration of the bale if the tension in the rope is 200 newtons,150 newtons,300 newtons.

    asked by aaron on April 17, 2012
  2. Geometry

    If the width of rectangle ABCD is 8 cm and the length of diagonal line AC is 14, find the length of rectangle ABCD. A2 + b2 = c2. 64+ b2 =196. square root of b2 = square root of 132. B =2square of 33. L = ?

    asked by Laura on April 6, 2016
  3. Math

    A sum of money is shared among three brothers. The eldest received 7/13 of it and the second brother receives 2/3 of the remainder. If the youngest brother receives $200, find the sum of money shared.

    asked by Another person on September 8, 2018
  4. Physics help please!

    The speed of a deep water wave with a wavelength ë is given approximately by v = (gë/2ð)1/2. Find the speed and frequency of a deep water wave with a wavelength of 5.5 m. ? m/s ? Hz can someone get me started with a formula? I lost my book :(

    asked by kelsey on November 9, 2008
  5. Math

    Jasmine is manufacturing engineer who is trying to find out if she can use a 12-inch by 12-inch sheet of cardboard and a 15-inch by 16-inch sheet of cardboard to make boxes with the same height and volume. In such a pair of boxes possible?

    asked by NiNa on January 15, 2013
  6. geometry

    Two cones are similar. The larger cone, R, has a volume of 1331 cubic feet and the smaller cone, S, has a volume of 64 cubic feet. Find the scale factor of Cone R to Cone S.

    asked by jack on May 10, 2012
  7. math

    A flower bed is in the shape of a triangle with one side twice the length of the shortest side, and the third side is 19 feet more than the length of the shortest side. Find the dimensions if the perimeter is 143 feet.

    asked by Tarisha on January 22, 2012
  8. Chemistry

    Mg + 2HCl -> MgCl2 +H2 delta H = ? MgO + 2HCl (aq) -> MgCl2+ H2O delta H = ? H2+ 1/2O2 -> H2O delta H = -285.8 kJ Using Hess' Law find both the missing delta H values.

    asked by Hunter on March 28, 2012
  9. Math Help

    The length of an object in feet is equal to 3 times its length in yards. The length of a waterslide is 48 feet. Write and solve a multiplication equation to find the length of the waterslide in yards.

    asked by Anna on January 30, 2012
  10. math

    a box contains 3 red marbles, 4 white marbles and 5 yellow marbles.find the probability that a red marble and then a yellow marble to be pick up on two successives drawing then there is a replacement of the marbles

    asked by esman on February 24, 2015
  11. statistics

    The sample mean to be calculated from a random sample of size n= 4 from a population consists of eight measurements (2, 6, 9, 12, 25, 29, 39, 50) . find the sampling distribution of y .(Hint : there are 70 samples of size 4 when sampling from a population

    asked by koky on November 14, 2010
  12. technical design/maps/geography

    The scale of a map is 9mm represent 1km on real ground. I found the area of the map and it is 19990mm2. How am I going to use the scale to find the area of the real ground? Thanks a lot!

    asked by Claire on September 18, 2007
  13. Physics

    A spherical surface completely surrounds a collection of charges. Find the electric flux through the surface if the collection consists of each of the following. (a) a single +3.70 10-6 C charge N·m2/C (b) a single -2.90 10-6 C charge N·m2/C (c) both of

    asked by Mary on September 24, 2007
  14. math

    The sample mean to be calculated from a random sample of size n= 4 from a population consistsof eight measurements (2, 6, 9, 12, 25, 29, 39, 50) . find the sampling distribution of y y .(hint : there are 70 samplesof size 4 when sampling from a population

    asked by heba on November 13, 2010
  15. pre algebra

    A flower bed is in the shape of a triangle with one side twice the length of the shortest​ side, and the third side is 30 feet more than the length of the shortest side. Find the dimensions if the perimeter is 138 feet

    asked by Mary on June 30, 2016
  16. geometry

    the sum of the measures of an obtuse angle and acute angle is 12 degrees.the complement of the acute angle and one-half the suplement of the obtuse angle is 75 degree.find the measures of the two angles.

    asked by cj on July 14, 2012
  17. statistics

    Three percent of all items sold by a mail-order company are returned by customers for a refund. Find the probability that of two items sold during a given hour by this company both will be returned for a refund

    asked by Julia on February 7, 2011
  18. prealgebra

    can you please help me and help me solve this and show work: Identify the percent of change as an increase or a decrease. Then find the percent of change. #1.) Original:45 New:30 Please help i don't understand how to solve and show work

    asked by vick on February 27, 2012
  19. Physics

    Using a graphical method of getting resultant vectors, find the resultant of the following vectors: 8N along the positive X-axis and 6N making an angle of 45 degrees with the positive X-axis and 10N -20 degrees below West.

    asked by John on November 23, 2017
  20. math

    A sheet of paper measure 40cm¡Á20cm.A strip 4cm wide is cut from it all around find the area of strip cut out and area of remeining sheet of paper

    asked by shehzad on February 11, 2015
  21. Math

    A store mixes Brazilian coffee worth $10 per kilogram and Turkish coffee worth $12 per kilogram. The mixture is to sell for $11 per kilogram. Find out how much of each should be used to make a 216 kilogram mixture.

    asked by Curt on October 6, 2012
  22. statistics

    A survey found that 25% of pet owners had their pets bathed professionally rather than do it themselves. If 18 pet owners are randomly selected, find the probability that exactly 5 people have their pets bathed professionally.

    asked by Anonymous on October 5, 2010
  23. Math

    A flower bed is in the shape of a triangle with one side twice the length of the shortest side, and the third side is 18 feet more than the length of the shortest side. Find the dimensions if the perimeter is 142 feet.

    asked by Durante on April 18, 2015
  24. Physics

    At one end of the Venturi Tube the pressure and speed of flowing water is 21 kPa and 0.05m/s respectively. At another point the pressure is 5 kPa. Find the speed of the water at the second point. Answer in m/s

    asked by Anonymous on May 30, 2016
  25. math

    write a five digit number(s) that fits each description. use only the digits that the athletes are wearing. use each digit only once in each answer. The digits on athletes are: 4,1,8,3,6 find the least number with 1 in the ones place and 6 in the

    asked by John Dosley on December 11, 2013
  26. math

    a ferris wheel has the diameter of 240 feet and the bottom of the ferris wheel is 9 feet above the ground. find the equation of the wheel if the origin is placed on the ground directly below the center of the wheel

    asked by sn on October 5, 2011
  27. English

    1. Who wants to recite the reading text? 2. Are there any volunteers that want to recite the two pages? 3. Raise your hands if you want to recite the passage. 4. Who else can recite all the sentences on the two pages? ------------------ Can we use all the

    asked by rfvv on April 17, 2017
  28. mosab bin omair

    We examine the following reaction at 250C: PCl5(g) ⇌ PCl3(g) + Cl2(g). At equilibrium we find [PCl5] = 3.4 x 10-5 M, [PCl3] = 1.3 x 10-2 M, and [Cl2] = 1.0 x 10-4 M. Calculate the

    asked by yazan on January 9, 2017
  29. math

    A store mixes Kenyan Coffee worth $11 per Kilogram and venezuelan coffee worth $14 per Kilogram. The mixture is to sell for $12 per kilogram. Find out how much of each should be used to make a 396-Kilogram Mixture

    asked by Catherine on September 27, 2011
  30. Language Arts...Writing

    Hello, I need some help with the following question. My answer is #1, is this corret? Thank You Find the sentence with the Active Voice? #1 The chairman told me that the legislature passed the bill. #2 I was told by the chairman that the bill was passed by

    asked by Mandi on September 7, 2007
  31. Statistics

    among customers- 70% buy popcorn, 40% buy ice cream, and 25% by both. Suppose you pick one customer at random. Find the probability the customer buys popcorn or ice cream.

    asked by Jasmine on June 15, 2012
  32. RES/351

    the business research process by describing the business research process from your experience in the workplace or in an article you find through the University Library I don't have anyh experience does any one know of an article I could use?

    asked by a on June 25, 2012
  33. Math

    The function W(d) = 0.112d approximates the amount in centimeters of water that results from d cm of snow melting. find the amount of water that results from snow melting from depts of 15cm, 26 cm, 70 cm

    asked by Liz on March 11, 2010
  34. maths science,sst,hindi,english,economics

    one liter of water at atmospheric pressure ismixed with 9 liter of water of 25 degrees at an atmospheric pressure in an insulated tank .find the temprature of tank.options are 1)25 2)32.5 3)30 4) 24........pls. help

    asked by deepenti on May 22, 2012
  35. Math

    The of the 45 numbers is 9.the average of the first 20 is 10 and the average of the last 24 is 8.find the 21st number. I have solved please check this. 9=x/45 ,so x=415. 10=x/20, x=200 and 8=x/24, x=192 So,415-(200+192)=23.answer Is this way and answer

    asked by ABC on May 29, 2017
  36. Calculus

    Integrals: When we solve for area under a curve, we must consider when the curve is under the axis. We would have to split the integral using the zeros that intersect with the axis. Would this be for all integrals? What if we just want to "find the

    asked by Jennifer on December 18, 2009
  37. Math

    In two concentric circles, a chord of length 8cm of the larger circle touches the smaller circle . If the radius of the larger circle is 5cm then find the radius of the smaller circle.

    asked by Avni on March 27, 2018
  38. statistics

    Five percent of all items sold by a mail-order company are returned by customers for a refund. Find the probability that of two items sold during a given hour by this company both will be returned for a refund

    asked by tim on February 28, 2011
  39. chem

    balance the equation:(i can balance the equation but the problem i have is finding the formula for the last part HC2H3O2(aq) + Ca(OH)2(aq) -> H2O(l) + find the formula here the last part would be CaOC2H3O2? im a little confused. did the O fromt he H2O come

    asked by hannah on November 28, 2010
  40. stats

    Five percent of all items sold by a mail-order company are returned by customers for a refund. Find the probability that, of two items sold during a given hour by this company, neither will be returned for a refund.

    asked by Anonymous on March 24, 2014
  41. math

    The marginal cost function is given by dc/dq=0.08q^2-1.8q+2.5 where c is the total cost in producing q units of product. The fixed cost is 5000. Find the total cost for producing 1000 units

    asked by shima on April 19, 2017
  42. math

    if you walk for m minutes, the number c of calories used is proportional to the time you walk. if 30 caloris are used when you walk for 12 minutes, write an equation of variation and find the number of calories used when you walk for an hour

    asked by rozzell on September 25, 2011
  43. Science

    Need help with find area of a cylinder measurement are : 1. dia 3cm height 2in 2. dia 3.5cm height 2.5 3. dia 4cm height 3in 4. dia 4.5cm height 5in

    asked by Amanda on February 21, 2009
  44. College Algebra

    A ferris wheel has a diameter of 320 feet and the bottom of the Ferris wheel is 9 feet above the ground. Find the equation of the wheel if the origin is placed on the ground directly below the center of the wheel.

    asked by Tyana on October 12, 2011
  45. statistics

    Five percent of all items sold by a mail-order company are returned by customers for a refund. Find the probability that of two items sold during a given hour by this company both will be returned for a refund

    asked by tim on February 28, 2011
  46. Math

    Christian drives 120 miles in the same length of time while Julius drives 200 miles. If the speed of Julius exceeds that of Christian by 35mph, find the speed of each

    asked by AD12 on July 20, 2014
  47. statistics

    Five percent of all items sold by a mail-order company are returned by customers for a refund. Find the probability that of two items sold during a given hour by this company both will be returned for a refund

    asked by tim on February 28, 2011
  48. Statistics. I Need Help Please

    George scored a 62 on his AP World History test and had a z-score of -3.75. Julie is also in the class with George and scored an 83 on the same test, with a z-score of 1.5. From this information, FIND THE CLASS mean and standard deviation.

    asked by Mary on June 6, 2011
  49. Precalculus

    Find the sum of 20 (summation notation symbol)k=1 then (3k-5) If you mean the sum of the first 20 terms, beginning with k=1, of ak = 3k - 5, that would be -20 x 5 = -100 PLUS the sum of the first 20 terms of ak = 3k The latter is 3 times the sum of

    asked by Laura on June 16, 2007
  50. English

    I need to find some interesting articles or videos or anything.. for my English class. My class is not for native speakers (ESL class). Can you please give me some interesting sites that have articles or videos or anything for class discussion??

    asked by Hama on October 26, 2016
  51. physics

    A bullet of mass 0.045kg is fired from a gun of mass 9kg, the bullet moving with an initial velocity of 200m/s. Find the initial backward velocity of the gun.

    asked by donald on January 5, 2018
  52. physics....

    Suppose that the inside length of a microwave oven is 30 cm. If the length of a microwave oven is one half of the wavelength of microwaves used by the oven, find the frequency of the microwaves used in the oven. What is the equation that relates the three

    asked by kennedy on June 13, 2012
  53. Grammar

    Find the simple subject and simple predicate of this sentence. We have to leave immediately to go to the meeting at the recreation center. the simple subject is we and the simple predicate is have because to leave is an infinitive phrase

    asked by Helen on December 16, 2015
  54. Statistics

    It is reported that 72% of working women use computers at work. Choose 5 working women at random. Find a. The probability that at least 1 doesn't use a computer at work b. The probability that all 5 use a computer in their jobs

    asked by Amber on November 11, 2014
  55. math- solving quadratic equations by factoring

    a ladder is resting against a wall. the top of the ladder touches the wall at a height of 12 feet. Find the distance from the wall to the bottom of the ladder if the length of the ladder is 12feet less than twice its distance from the wall.

    asked by math1 on December 19, 2010
  56. Finte Math - Simplex Method

    Just a few questions to make sure I am understanding the simplex method. First you set up matrice, then you find the column with the largest negative number in bottom row. That is the column you will pivot. So then how do you determine which row is the

    asked by Robson on June 21, 2012
  57. math

    the simple interest received from investment is directly proportional to the amount of the investment. By investing $4000 in a municipal bond you obtain interest of $280 at the end of 1year. Find a mathematical model that gives the interest I at end of

    asked by Marybeth on June 3, 2014
  58. algebra 2

    Rosalyn works no more than 16 hours a week during the school year. she is paid $10 and hour for tutoring geometry students and $7 an hour for delivering pizzas for Pizza King. She wants to spend at least 6 hours but no more than 8 hours a week tutoring.

    asked by jeanne on October 14, 2010
  59. Mathematics, Math

    During a period of acute shortage of raw materials, the prices of some manufactured goods were raised by 25%. After the shortage was over, prices were lowered by 15%. If the original price of an article was $56, find its price after the shortage was over.

    asked by Kaela on February 28, 2012
  60. Physics please help!!

    High speed stroboscopic photographs show that the head of a 188 g golf club is traveling at 52.5 m/s just before it strikes a 45.5g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 44.0 m/s. Find the speed

    asked by Megan on February 14, 2011
  61. Geometry

    In my book there's a picture of an equalderal triangle. This is given information. Inside the triangle all three altitudes have been drawn to find the center point of gravity. The incircle is drawn. The circumcircle is drawn. Given that the radius of the

    asked by Geometry on May 15, 2008
  62. Physics

    For a piece of glass n(red)= 1.635 and n(blue)= 1.689. The respective wavelengths are 680nm (red) and 430nm (blue). Find the angle between these two colors of light in the glass if they were originally in a white light beam in air incident on the glass at

    asked by chi on March 24, 2012
  63. chemistry

    A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude of 152 cm and makes an angle of 125° with the positive x axis. The resultant displacement has a magnitude of 150 cm and is directed at an angle of 35.0°

    asked by tea on January 25, 2010
  64. Calculus

    A particle starts at the point (5,0) at t=0 and moves along the x-axis in such a way that at time t>0 its velocity v(t) is given by v(t)= t/(1+t^2). a). Determine the maximum velocity of the particle. Justify your answer. b). Determine the position of the

    asked by Rasheda on January 29, 2014
  65. Mathematics, Math

    During a period of acute shortage of raw materials, the prices of some manufactured goods were raised by 25%. After the shortage was over, prices were lowered by 15%. If the original price of an article was $56, find its price after the shortage was over.

    asked by Kaela on February 28, 2012
  66. physics

    An air condenser has an area of 100 cm^2 the plates being 4mm apart. It is connected in series with another condenser having plate area of 20cm^2 plates being separated by dielectric 0.1mm thick with E=2.5. If the potential difference across an condenser

    asked by vicky on April 12, 2016
  67. Algebra: Parabolas

    I have a math problem that requires me to find the focal length of a parabola using the information given on a graph. It is a standard horizontal parabola, the formula being y^2 = ax. The focus point is formula a = 4p. I know that a is positive, because

    asked by Anonymous on April 25, 2012
  68. college physics

    A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude of 140 cm and makes an angle of 130° with the positive x axis. The resultant displacement has a magnitude of 144 cm and is directed at an angle of 30.0°

    asked by caitlin on September 28, 2010
  69. preap physics

    A 15.4kg block is dragged over a rough horizontal surface by a constant force 191N acting at an angle of 25.3 degrees above the horizontal. The block is displaced 80.4m and the coefficient of kinetic friction is. 2 A) find the magnitude of the work done by

    asked by jay on January 11, 2012
  70. math- CAN SOMEONE PLEASE HELP

    find the two ordered pairs of this equation. y=5/3x+8 then give the slope and y intercept. I know the slope is rise over run and is the y intercept 8? This is the answer I got but I am still really confused how do I get my two ordered pairs this makes no

    asked by KiKi on March 28, 2010
  71. math

    Assume that the average annual salary for a worker in the United States is $30,500 and that the annual salaries for Americans are normally distributed with a standard deviation equal to $6,250. Find the following: (A) What percentage of Americans earn

    asked by Jen on October 25, 2012
  72. Math 11

    I need help on this math problem. The width of a certain painting is 5cm less than twice the length. The length of the diagonal distance across the painting is 107cm. Find the length and width. Round your answer to 2 decimal places. How should I set up for

    asked by Need Help on January 12, 2012
  73. Calculus

    A lemon tree nursery usually sells a certain breed after 4 years of growth and shaping.the growth rate is approximated by: dh/dt =2.4t+3 where t is time in years and h is the height in cm. suppose that seedlings are 10 cm tall when planted (at t=0) a) find

    asked by Anonymous on April 1, 2012
  74. Physics

    A 30.0 kg box is being pulled across a carpeted floor by a horizontal force of 230 N., against a friction force of 210 N. Calculate the acceleration of the box and find the x and y components of the acceleration of the box. Align the positive direction

    asked by Anne on March 26, 2012
  75. Physics

    A large horizontal circular platform (M=143.1 kg, r=3.01 m) rotates about a frictionless vertical axle. A student (m=75.3 kg) walks slowly from the rim of the platform toward the center. The angular velocity ω of the system is 2.10 rad/s when the student

    asked by Molly on February 11, 2014
  76. precalc help

    Find the exact value without a calc 1. log base 3 of 8 times log base 8 of 9. I started by changing both bases to 10 but don't know what to do from there. 2. e ^ log base e^2^9. I hope that isnt confusing. My teacher said we are suppose to get the bases

    asked by Rebekah on November 21, 2012
  77. math

    Please show me how to solve: Hannah took a survey of 500 students at her school to find out whether they liked baseball or football. The results are shown in the Venn diagram. How many of the students surveyed like football? 28% liked baseball, 32% liked

    asked by Jane on November 19, 2011
  78. physics

    A bullet is fired horizontally with a velocity of 250 m/s from the top of a building 100m high. Find the Horizontal and vertical velocities of the bullet when it reaches the ground, the resultant velocity, the horizontal displacement, the net displacement,

    asked by ellah on January 9, 2012
  79. Math

    The scale on a map is 1 in: 4 miles. Find the actual distance in miles for each length on the map. 1/ 2 in. Answer: d=8 2/ 7.2 in. Answer: d=288 3/ 3.5 in. Answer: d=140 4/ 11 in. Answer: 44 Write the ratio as a scale in simplest form. 3cm\15cm Answer: 1/5

    asked by Na on March 1, 2017
  80. classical mechanics

    A projectile is launched down ward from the top of inclined plane of angle alpha in the direction making an angle beta with the incline. assuming the projectile hits the incline, find the expression for the range and determine the maximum expression for

    asked by Henry on April 19, 2016
  81. science

    a 600 g pool ball moving at 2.0m/s hits a second pool of the same mass at rest. the first ball moves off at 1.5m/s at an angle of 30 degrees from the original direction. assume the surface of the pool table to b frictionless find the angle at which the

    asked by hope on April 7, 2016
  82. physics

    A 120-V motor has mechanical power output of 3.00 hp. It is 94.0% efficient in converting power that it takes in by electrical transmission into mechanical power. (a) Find the current in the motor. I got the same answers,17.5 A, whether I used round

    asked by blast on August 17, 2010
  83. trig

    an observer at A looks due north and sees a meteor with an angle of elevation of 70 degrees. At the same instant, another observer 30 miles east of A seed the same meteor and approximates its position as N 50 degrees W but fails to note its angle of

    asked by olivia on January 11, 2015
  84. Physics

    A string of mass m=.1kg is stretched to where its length is L=20m. What is the tension force applied to the string if it takes a pulse 2 seconds to get from one end to the other? m=kg L=20m T=4s mass density =m/L = .1/20 = kg/m Tension =? I know

    asked by Andrea on February 6, 2008
  85. math- Trigonometry

    If cos degree equals to 0.8641  What is Sin degree?  I have no idea how to find this.  Please help me. I got help from two people, but I'm not getting the answer and how they got the numbers either. Someone says: cos^2+sin^2=1 

    asked by Simran on November 5, 2016
  86. Physics

    X-rays with an energy of 300 keV undergo Compton scattering from a target. If the scattered x-ray are directed at 30 degrees relative to the incident rays, find a)The Compton shift at this angle b) The energy of the scattered x-ray c)The energy of the

    asked by amy on March 18, 2011
  87. Chemistry

    Calculate the number of moles of carbon atoms present in 2.2 g of ethanol (C2H6O). For this question, I would just need to find the molar mass of carbon, right? Not the molar mass of all of ethanol? So it would just be 2.2 g/ 24.02 g/mol which would equal

    asked by Alex on September 13, 2015
  88. mean value theorem

    Show that the function f(x)=1-|x|, [-1,1] does not satisfy the hypotheses of the mean value theorem on the given interval. Also how do I graph the function together with the line through the points A(a,f(a)) and B(b,f(b)). Also how do I find values of c in

    asked by Jen on October 29, 2006
  89. Physics

    A 70 kg man just before contact with the ground has a speed of 5 m/s In a stiff-legged landing he comes to a halt in 7ms (miliseconds). Keeping in mind that the average net force acting on the man includes both the force of the ground on the man and the

    asked by Jessica on November 18, 2010
  90. Calculus

    A lemon tree nursery usually sells a certain breed after 4 years of growth and shaping.the growth rate is approximated by: dh/dt =2.4t+3 where t is time in years and h is the height in cm. suppose that seedlings are 10 cm tall when planted (at t=0) a) find

    asked by Anonymous on April 1, 2012
  91. Chemistry (Dr.Bob222)

    The half-life of P-32 is 14 days. How long after a sample is delivered can a laboratory wait to use a sample in an experiment if they need at least 10 percent of the original radioactivity? I need help on how to set up this problem. What is the general

    asked by K on November 7, 2013
  92. Trigonometry

    A climber, working his way up a vertical cliff stops for a rest on the ledge. The ledge where he stopped is 12 meters wude. The angle of depression from the edge of the ledge to the bottom of the cliff is 72 degree and the angle of elevation to the top of

    asked by Tomina on December 10, 2011
  93. math- 165 calculas

    An open box is to be made from a eighteen-inch by eighteen-inch square piece of material by cutting equal squares from the corners and turning up the sides (see figure). Find the volume of the largest box that can be made. figure ( a box and one side is

    asked by akash on October 6, 2015
  94. Physics

    A receiving antenna becomes misaligned by 30° to its original position. The power of the received signal in this new position is 12µW. Wavelength = 0.016 m I calculated the power received in the original position as 1.04 x 10^-5 W What I need to find out

    asked by Ramesh on November 16, 2018
  95. Physics

    Figure shows a circular wire loop of radius r carrying current i placed in a perpendicular magnetic field B. Suppose that the radius of cross section of the wire is a. Find the decrease in radius of loop when magnetic field is switched off if Young’s

    asked by Aaron on September 28, 2016
  96. phsics

    A ball is rotating in a horizontal circle at the end of a string of length 3.8 m at an angular velocity of 8.5 rad/s. The string is gradually shortened to 3.3 m without any force being exerted in the direction of the ball’s motion. Find the new angular

    asked by owen on November 19, 2014
  97. physics

    An air condenser has an area of 100 cm^2 the plates being 4mm apart. It is connected in series with another condenser having plate area of 20cm^2 plates being separated by dielectric 0.1mm thick with E=2.5. If the potential difference across an condenser

    asked by vicky on April 12, 2016
  98. math

    I don't get how to put it in the the equation Interest=percent×rate×time This is the question The banded ribbon worm is a carnivorous aquatic worm. It measures about 2.5 ft. When expanded. Find the percent increase between the contracted and expanded

    asked by emma on October 21, 2014
  99. Physics

    Two effectively infinite and parallel sheets of charge are 6.00 cm apart. Sheet 1 carries a uniform surface charge density of -6.80 μC/m2 while Sheet 2, which is to the right of sheet 1, carries -12.4 μC/m2. Find the magnitude and direction of the net

    asked by ryancon on September 14, 2019
  100. physics

    a projectile is thrown from the ground with an initial velocity of 20.0 m/s at an angle of 40.0 degrees above the horizontal. find the projectile's maximum height, the time required to reach its maximum height, its velocity at the top of the trajectory,

    asked by Anonymous on February 10, 2014

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