1. Trigonometry

    Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places. (Enter your answers as a comma-separated list.) 10 sin^2 x = 3 sin x + 4; [0, 2π)

    asked by Katlynn on March 6, 2013
  2. Math College Algebra

    Find the zeros of the following USE ALL THE THREE METHODS FOR EACH NUMBER ( Factoring, Completing the Squares and Quadratic Formula) 1.f(x) =3x+5 2.g(y)=y^2-3y+2 3.s(xl= -6x^2-13x+5 Please help me I need this before 2 hours to come. Please help me hpw to

    asked by ZaJi on February 15, 2016
  3. Trigonometry

    Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places. (Enter your answers as a comma-separated list.) 10 sin^2 x = 3 sin x + 4; [0, 2π)

    asked by Katlynn on March 6, 2013
  4. physics

    In the figure below, suppose that the angle of incidence is θ1 = 29.7°, the thickness of the glass pane is 5.46 mm, and the refractive index of the glass is n2 = 1.52. Find the amount (in mm) by which the emergent ray is displaced relative to the

    asked by Anonymous on January 9, 2012
  5. Math word problem(algebra)

    Diana buys 20 apples at x cents each&40 oranges&sells the bags for 20x cents each.Find out the amount that Diana paid for each apple if she obtained a total of RM 24 from selling all the fruits

    asked by kimi on October 4, 2011
  6. statistics

    high temperatures in a certain city for the of the month of august follow a uniform distribution over the interval 73 degreef to 103 degree f find the high temperature which 90% of the august days exceeded

    asked by Anonymous on November 7, 2011
  7. nutrition

    What is the difference between simple and complex carbohydrates? How are sugars are broken down and used in the body? What are the benefits that carbohydrates provide to the body? I need help finding where I would find this infomation....I have found sites

    asked by me on March 23, 2010
  8. math

    find the average return over the last ten years on a mutual fund . what investment account of 1,000 for 5,10,15,20,25,30,35 and 40 years compound quaretly. is there a point at which the investment appears to grow more quickly

    asked by Tonya on November 28, 2012
  9. Vectors

    Determine the vector equation of a plane that contains the line with symmetric equation (x+3)/-2=(y+1)/5=(z+2)/4 and the point P(1,3,0). For this question to find the direction vector you would use subtraction with the points (-3,-1,-2) and (1,3,0). Why

    asked by Sara on April 19, 2015
  10. psychology

    An experimenter wants to find out if drinking coffee makes people more alert. The amount of coffee a person drinks is the: hypothesis. dependent variable. independent variable. correlation coefficient.

    asked by cindy on October 30, 2010
  11. Trigonometry

    Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places. (Enter your answers as a comma-separated list.) 10 sin^2 x = 3 sin x + 4; [0, 2π)

    asked by Katlynn on March 6, 2013
  12. Algebra II

    Bill drove from Ajax to Bixby at an average speed of 50 mph. On the way back he drove at 60 mph. The total trip took 42/5 hours of driving time. Find the distance between the two cities.

    asked by Mareia on November 6, 2011
  13. physics

    A 156 gram 8 ball rolls across a pool table at 2 m/s when it collides with a 7 ball of equal mass rolling in the opposite direction at 1.5 m/s. The 8 ball bounces backwards at 1 m/s. Find the momentum of the 7 ball.

    asked by someone on June 12, 2012
  14. algebra

    A 120-day simple discount promissory note for $12,000 with a simple discount rate of 9% was signed on July 14. It was discounted on August 30 at 9.5%. Find the proceeds at the time of the sale.

    asked by Felicia on August 21, 2012
  15. Math

    A rocket is fired straight up from a 60 ft. platform with an initial velocity of 96 ft/sec. The height of the rocket, h(t), is found using the function h\left( t \right) = - 16{t^2} + 96t + 60 where t is the time in seconds. Find the maximum height.

    asked by Zyere on January 8, 2015
  16. AP Chemistry

    A 2.685 g sample of KHC8H4O4 was dissolved in water and uses to standardize a NaOH solution. The endpoint was reached after 38.25mL of titrant were delivered. Find the molar concentration of the NaOH solution.

    asked by Rebecca on February 4, 2018
  17. Physics

    A body slides down from the rest from the top of6.4m long rough inclined plane at 30 degree with the horizontal.find the time taken by the body in reaching the bottom of the plane. Take mu k=0.2 and g=10m/s2

    asked by Anonymous on September 25, 2016
  18. physics

    You drop 454 g of solid ice at −35°C into a bucket of water (1,200 g) at 45°C. Eventually, the ice all melts, and the entire system comes into thermal equilibrium. Find the final temperature of the system.

    asked by chase on January 25, 2016
  19. Physics

    A ball shot at an angle of 60° to the ground strikes a building 23m away at a point 16m high. Find the magnitude and direction of the final velocity of the ball as it strikes the wall.

    asked by Majiri on February 6, 2018
  20. college physics

    a large cuckoo clock has a pendulum with a period of 1.0 sec. The clock loses 10 min a day. how would you fix it? (Hint: change l) a. Find the length l of the pendulum. b. How much adjustment in l, up or down, is needed?

    asked by Kpang on December 11, 2012
  21. Math

    a long distance phone company charges $3 for a phone call plus $0.75 for each minute of the call. What fuction does this situation give rise to? Find the formula and make a table for this function.

    asked by lt on November 17, 2010
  22. algebra

    Find a linear equation in the form P = mt + b (y = mx + b), which gives the population, P, t years from 2010. This is based off of an initial population of 6,000 in 2010, with a growth of 200 ppl per year. Please show work

    asked by Carmine on December 2, 2008
  23. Chemistry

    The Energy from glucose is obtained from the oxidation reaction C6H12O6 + 6O2 --> 6CO2 + 6H2O How would a similar reaction look for Sucrose? I am trying to find an equation about how the body uses a compound, in this case sucrose. I'm just not sure how

    asked by James on March 22, 2012
  24. PreCalc

    The half-life of krypton-91 (91Kr) is 10 s. At time t = 0 a heavy canister contains 5 g of this radioactive gas. (a) Find a function m(t) = m02−t/h that models the amount of 91Kr remaining in the canister after t seconds.

    asked by Kristen on December 4, 2016
  25. principals of math

    a triangle drawn on a map has sides of lenghts 7.0 cm, 11 cm, and 15 cm. the shortest of the corresponding real-life distances is 123km. find the longest of the real-life distatnces. round to the nearest unit.

    asked by Christine on April 14, 2013
  26. AP Chemistry

    Calculate the heat that must be supplied to a 544 g stainless steel vessel containing 333 g of water to raise its temperature from 16.4◦C to the boiling point of water 100◦C **Please help me find the delta T of steel too**

    asked by Kari on October 24, 2014
  27. Mathematics

    A rectangular garden is to be fenced along four sides and is to be divided into three parts parallel to two of its shorter sides. Find the dimensions of the garden if the length is twice its width and the total fencing materials is 104m.

    asked by Arch on August 12, 2013
  28. Stats

    2) Find the minimum sample size that should be chosen to assure that the proportion estimate p will be within the required margin of error, .06. Use a 95% confidence interval and a population proportion of .7. The critical value for a 95% confidence level

    asked by Eric on June 14, 2011
  29. 12th Grade English

    We have to find the synonym of the word in bold. I have a few choices but I'm stuck between two.. The words in bold are incumbent upon the phrase reads: incumbent upon all officials Deciding to choose between a) the duty of b) the term of office of

    asked by Leanna on November 21, 2010
  30. physics

    You have three identical charged spheres, each with a charge of 2.80 µC. You have arranged them so they are each at the corners of a square that measures 4m on a side. Find the magnitude of the electric field at the "empty" corner. (The corner with no

    asked by CLaire on January 30, 2012
  31. Math College Algebra (urgent before 2hours)

    Find the zeros of the following USE ALL THE THREE METHODS FOR EACH NUMBER ( Factoring, Completing the Squares and Quadratic Formula) 1.f(x) =3x+5 2.g(y)=y^2-3y+2 3.s(xl= -6x^2-13x+5 Please help me I need this before 2 hours to come. Please help me hpw to

    asked by ZaJi on February 15, 2016
  32. Calculus

    Find the equation of the tangent to the graph of f(x)=2x^4 (to the power of 4) that has slope 1. Derivative is 8 x^3. This equals 1 at x = 1/2. At this point the y-coordinate is f(1/2) = 1/8. The equation of the tangent line is thus: 1/8 + 1*(x-1/2) = x -

    asked by Aurora on March 8, 2007
  33. furthermathematics

    a particle is projected at an angle tita to the horizontal with an initial velocity U.if the maximum horizontal distance travelled is 20m and the greatest height reached is 10m.find U and Tita

    asked by azeezat on May 21, 2014
  34. physics

    You have three identical charged spheres, each with a charge of 2.80 µC. You have arranged them so they are each at the corners of a square that measures 4m on a side. Find the magnitude of the electric field at the "empty" corner. (The corner with no

    asked by CLaire on January 30, 2012
  35. maths

    a rectangular room is 1nd 12m wide.a varanda is 2m long and 8m long andis all around it. find the cost of construction of varanda attherate of rupees 800 per miter squre

    asked by jennie cribzon on May 21, 2012
  36. maths-urgently needed

    ABCD is a square with length of each side 1cm. An octagon is formed by lines joining the vertices of the square to the mid points of opposite sides. Find the area of the octagon?

    asked by Anonymous on February 5, 2013
  37. Math - Geometric Vectors

    Find the length and the direction of the resultant of each of the following systems of forces: a) forces of 3 N and 8 N acting at an angle of 60° to each other I'm completely lost. I don't know how to solve this question using geometric vectors. Please

    asked by Anonymous on February 17, 2008
  38. Grade 12 Calculus

    A rectangular piece of paper with perimeter 100 cm is to be rolled to form a cylindrical tube. Find the dimensions of the paper that will produce a tube with maximum volume. I have made it up to getting an equation for V(w).

    asked by Q on March 25, 2014
  39. physics

    To enter the main pool at an amusement part, a swimmer uses a water slide which has a vertical height of 2.65 m. Find her speed at the bottom of the slide if she starts with an initial speed of 0.950 m/s.

    asked by Jonathan on November 10, 2011
  40. Math

    Find the linear speed of a point that moves with constant speed in a circular motion if the point travels along the circle an arc length = 2178/23 kilometers in time t=11 seconds?

    asked by Holly on February 22, 2016
  41. phyisics

    An aeroplane is moving at 200 km/h due 60.The plane experiences a wind blowing at 120 due 210.Find the resultant velocity of th e plane by resolving the velocities into their components.

    asked by lutfia on May 18, 2019
  42. math

    A chemical distillation tower, 110 m high is supported by cables of length L that reach from the top of the column to the ground at a distance D from the base of the tower. If D is 1/3 the length of a cable, find L and D.

    asked by david on September 13, 2012
  43. Math-Urgent help please.

    Two cards are selected, without replacing the first card, from a standard deck. Find the probability of selecting an ace (A), and then selecting a 4 (B): (choose 2) 0.603% 0.592 0.592% They are dependent events. 0.00592

    asked by Ali on October 13, 2014
  44. math

    Two ship P and Q left a port R at the same time.Q sailed on a bearing of 150 while P sailed on the north side of Q.After a distance of 8km and 10km by P and Q respectively,their dirtance part was 12km.find the bearing of P from R.

    asked by kate on May 28, 2017
  45. English

    I need to do a flow chart about my Novel, and I don't know how to create one, so I was researching on the internet about them, but I can't seem to find what I want. Could someone please provide me with a site, that gives an example of a flow chart, that is

    asked by Sara on September 22, 2010
  46. math

    A $400 loan is to be paid off in 66 monthly payments of $11.62. The borrower decides to pay off the loan after 18 payments. Use the rule of 78s to find the amount of interest saved. (Points : 1) $194.13

    asked by CC on June 9, 2011
  47. Math

    From two tracking stations, A and B, 450km apart, a satellite is sighted at C directly above the line joining A to B. At the moment of sighting, angle A is 39 and angle B is 45. Find the height of the satellite. Please show all your steps clearly and asap,

    asked by Umar on February 16, 2014
  48. Algebra Readiness

    the sales tax rate is 6.9% A: find the tax paid for a pair of boots with a list price of $128 B: what is the total cost of the boots PLZ HELP VERY URGENT AND IM SUPER STUMPED!!!!!!!

    asked by help.....plz? on December 4, 2018
  49. physics

    The drawing shows a square, each side of which has a length of L = 0.250 m. Two different positive charges q1 and q2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = -7.00 x 10-9 C placed at corner A and

    asked by ciaran on February 8, 2015
  50. physic

    A 4 kg object is attached to a vertical rod by two strings, as in the figure. The object rotates in a horizontal circle at constant speed 6 m/s. Find the tension in (a) the upper string and (b) the lower string.

    asked by yusra on April 18, 2010
  51. Science

    A ball is thrown horizontally from the top of a cliff 20m high. If the initial horizontal velocity is 8.0m/s,find how long it takes to reach the horizontal plane at the foot of the cliff.

    asked by Abigail on September 22, 2013
  52. Maths

    Karan took a loan of rs 70000 from a bank. If the rate of interest is 10%per annum find difference in amount he would be paying after 1.5 year if the interest is compound annually and compound half yearly

    asked by Amy on March 13, 2017
  53. Physics

    A car is moving with a velocity of 16 m/s when the brakes are applied and the wheels lock (stop spinning). The car then slides to a stop in 37 m. Find the coefficient of kinetic friction between the tires and the road.

    asked by Alex on May 14, 2012
  54. Physics

    A tangential force acts on the rim of a 2.0 kilogram disk-shaped wheel (0.50 m radius) and gives the wheel an angular acceleration of 4.8 rad/s^2. Neglect friction and find the magnitude of the force

    asked by Chris on April 4, 2015
  55. Physics

    You drop 378 g of solid ice at −35°C into a bucket of water (1,200 g) at 45°C. Eventually, the ice all melts, and the entire system comes into thermal equilibrium. Find the final temperature of the system.

    asked by Sierra on July 31, 2012
  56. physics

    An object is launched at an angle of 78º above the horizontal with an initial speed of 120 m/s. Find (a) the maximum altitude reached by the object, (b) its total time of flight, and (c) its horizontal range

    asked by Donavan on May 21, 2017
  57. Calculus

    An airplane flies at an altitude of y = 5 miles toward a point directly over an observer. The speed of the plane is 500 miles per hour. Find the rates at which the angle of elevation θ is changing when the angle is θ = 45°, θ = 60°, and θ = 80°.

    asked by Beth on April 27, 2018
  58. Acid-base titration

    A weak acid HA (pKa = 5.00) was titrated with 1.00 M KOH. The acid solution had a volume of 100.0 mL and a molarity of 0.100 M. Find the pH at the following volumes of base added and make a graph of pH versus Vb: Vb = 0, 1, 5, 9, 9.9, 10, 10.1, and 12 mL.

    asked by Patrick on January 23, 2012
  59. physics

    A mass m = 0.225 kg on a frictionless table is attached to a hanging mass M = 0.330 kg by a cord through a hole in the table (see the figure). Find the speed with which m must move in order for M to stay at rest if r = 27 cm.

    asked by Nic on February 24, 2011
  60. physics

    A bus accelerates from rest at 1.5m/s^2 for 12s. It then travels for 25s after which it slows to a stop with an acceleration of magnitude 1.5m/s^2. (a) Find the total distance the bus travels And its average velocity of the trip.

    asked by robert on September 1, 2013
  61. DYnamics

    Thank you Advance...;; Q: A body of mass 10 kg is moving over a smooth surface, whose equation of motion is given by the relation. s = 5t + 2t² where (s) is in metres and (t) in seconds. Find the magnitude of force responsible for the motion. Thank you

    asked by abodd on November 7, 2016
  62. physics

    At t = 0, a stone is dropped from a cliff above a lake; 2.1 seconds later another stone is thrown downward from the same point with an initial speed of 33 m/s. Both stones hit the water at the same instant. Find the height of the cliff

    asked by Ashley on September 14, 2011
  63. physics

    How will you find the height of a tall tower using a long-enough thread? You only have a stop-watch with you. So you can only measure time and not length. Explain the method by stating the formula you will use to calculate the height of the tower.

    asked by calous --- HELP PLEASEE!!! on February 26, 2011
  64. Physics

    A tangential force acts on the rim of a 2.0 kilogram disk-shaped wheel (0.50 m radius) and gives the wheel an angular acceleration of 4.8 rad/s^2. Neglect friction and find the magnitude of the force.

    asked by Xavier on April 4, 2015
  65. math

    Can someone check over these problems for me? 1. The width of a rectangle is fixed at 28 cm. What lengths will make the perimeter greater than 70 cm? A: the length must be greater than 7 cm. 2. 7x=-63 A: x=-9 3. Is (-8.-9)a solution of 2x+4y=12 A: No 4.

    asked by deedra on January 8, 2009
  66. Science

    Two pellets, each with a charge of 1.5 microcoulomb (1.5×10−6 C ), are located 2.8 cm (2.8×10−2 m ) apart. Part A Find the electric force between them.Part B What would be the mass of an object that would experience this same force in Earth's

    asked by Rachel on April 9, 2016
  67. Physic II

    Consider the attraction and repulsion of different types of charge. a) Explain why you expect to find that the amount of charge a battery can pump onto a parallel plate capacitor will double if the area of each plate doubles.

    asked by Guline on March 13, 2014
  68. PHYSICS

    It involves three masses, with mass 2 being the cart that can roll freely on a horizontal table. There is no friction anywhere. The cart system is let go with everything initially at rest. You are to find the accelerations for each of the three masses

    asked by Lee M on June 19, 2015
  69. MATHEMATICS

    3 friend's A,B,C went for weekend party to mc Donalad's restruant and there they measure their weights in some oder in 7 rounds. A,B,C,AB,BC,AC,ABC. Final round measure is 155 kg then find the average weight of all the 7 rounds.

    asked by SUBRAT KUMAR SAMAL on September 6, 2014
  70. Geometry

    I am doing 7th grade algebra, and my homework is due by 9:00 and I don't know how to solve this question: Find the measures of supplementary angles 1 and 2 if, A) m angle 1 is less than m angle 2 by 40 degrees B) m angle 1:m angle 2=5:4 Please help soon my

    asked by Ava on September 24, 2016
  71. Physics

    A penny is dropped from rest from the top of a very tall building. Assuming the height of the building is 406 m and ignoring air resistance, find the speed with which the penny strikes the ground.

    asked by Candy on January 27, 2012
  72. math

    The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.

    asked by alicia on April 16, 2016
  73. PHYSICS

    A square wire loop 10.0 cm on each side carries a clockwise current of 15.0 A. Find the magnitude and direction of the magnetic field B at its center due to the four 1.20 mm wire segments at the midpoint of each side?

    asked by KAIT on September 3, 2011
  74. physics

    when a tennis ball is served, it is a contact with the racket for a time that is typical 0.005 seconds. find the force needed to serve a 60.0 gram tennis ball moving with a velocity of 30.0m/s

    asked by tasha on November 14, 2017
  75. Statistics

    Find the minimum sample size that should be chosen to assure that the proportion estimate p will be within the required margin of error, .06. Use a 95% confidence interval and a population proportion of .7. The critical value for a 95% confidence level is

    asked by Eric on June 6, 2011
  76. optics in physics

    acorridor is lighted by 4 lamps s10cm apart and suspended at a height of 5m above the centre of the floor. if each lamp gives 200cp in all directions below the horinzontal, find the illumination at the point on the floor mid-way between the second and

    asked by james ugbes on October 6, 2016
  77. Math

    If a ball is throw into the air with a velocity of 40ft/s its height in feet t seconds later is given by: y=40t-16t^2. Find the average velocity for the time period beginning when t=2 and lasting 0.5 seconds.

    asked by SC on January 6, 2010
  78. calculus

    a particle is moving counterclockwise around the circular path whose equation is x^2+y^2=100 of the abscissa of the particle is increasing by 72in/sec at a point where x=8 find the rate of changeof the cordinate(y) at this point

    asked by Amanda on November 7, 2012
  79. SAT

    Please help me. I am a foreign boy. English is not my first language. I find the SAT questions too tough. In my home land we did not learn much english in high school. How can I pass the SAT with a good score?

    asked by Mohammed on January 30, 2014
  80. calculus

    Find the dimensions of a rectangle with maximum area that can be inscribed in a circle of a radius of 10. Okay, so I know that I am going to need the Pythagorean theorem, where x^2+y^2=20^2 (20 is from the doubling of the radius which actually makes the

    asked by Amy on January 12, 2012
  81. english

    wher can i find accurate up to date info on abolishing the death penalty??any web sites or database please i looked all over the internet..please help! I am writing a argument paper on the death penalty

    asked by cale on March 7, 2011
  82. physics

    on turning a corner a motorcyclist rushing at 44 meter per second. find a child on the road 100m away. he applies the brake so as to stop motorcycle within 1m of the child. calculate the time required to stop?

    asked by tuhituhi on June 11, 2013
  83. Math

    an artist intends to paint a 60-square-foot mural on a large wall that is 18 ft wide and 11 ft tall. find the dimensions of the mural if the artist leaves a border of uniform width around it.

    asked by Mandy on May 1, 2019
  84. physics

    A wire carrying a 28.0 A current bends through a right angle. Consider 2.00 mm segments of wire, each 3.00 cm from the bend (see fig). Find magnitude and direction of the magnetic field these two segments produce at point P, which is midway between them.

    asked by KAIT on September 3, 2011
  85. Math Answer Check

    2.on which of the following lines does the point (7, 1) lie A. y - 5x = 4 B.y = x - 10 C. y=-4x + 3 D. y= -x + 8 Is it B? 3.Find the slope of the line through (-9, -10) & (-2, -5) A -5/7 B 7/5 C 5/7 D -7/5 Is it D? 10. The equation t=0.07c represents tax,

    asked by on March 28, 2017
  86. Chemistry

    A quantity of N2 occupies a volume of 1 L at 290 K and 1.5 atm. The gas expands to a volume of 2.7 L as the result of a change in both temperature and pressure. Find the density of the gas at these new conditions (in grams per liter).

    asked by . on October 24, 2009
  87. Canadian History

    What were aboriginal peoples in Canada thinking and feeling about the nazi soviet pack in 1939? I can't find anything on it. I wanna know what the perspective of an at home aboriginal person was feeling towards the thought of another war? Please help.

    asked by Sam on May 8, 2015
  88. physics

    An AC voltage of the form Δv = (65.0 V)sin(340t) is applied to a series RLC circuit. If R = 46.0Ω, C = 27.0 μF, and L = 0.300 H, find the following. (a) impedance of the circuit Ω (b) rms current in the circuit A (c) average power delivered to the

    asked by Michelle on March 22, 2018
  89. math

    Rowing. Abby rows 10 km upstream and 10 km back in a total time of 3 hr. The speed of the river is 5km/h. Find Abby’s speed in still water.use five-step problem solving process

    asked by Taina on June 24, 2011
  90. physics

    A box of books weighing 349 N moves with a constant velocity across the floor when it is pushed with a force of 434 N exerted downward at an angle of 37.9◦ below the horizontal. Find μk between the box and the floor.

    asked by Erin on February 9, 2015
  91. College Algebra

    Find the standard form of the equation of the parabola with the given characteristics and vertex at the origin. Passes through the point (-5, 1/8); vertical axis. There is no focus of the parabola or equation given, so how am I suppose to solve this

    asked by Joy on October 14, 2013
  92. psychology

    An experimenter wants to find out if drinking coffee makes people more alert. The amount of coffee a person drinks is the: A. hypothesis. B. dependent variable. C. independent variable. D. correlation coefficient.

    asked by Anonymous on March 9, 2014
  93. College Algebra

    Find the standard form of the equation of the parabola with the given characteristics and vertex at the origin. Passes through the point (-1, 1/8); vertical axis. There is no focus of the parabola or equation given, so how am I suppose to solve this

    asked by Joy on October 14, 2013
  94. gr10 math

    The playing surface in the game of curling is a rectangular sheet of ice with an area of about 225 m^2. The width is about 40m less than the length. Find the approximate dimensions of the playing surface. How would i solve this?

    asked by Rebecca on May 31, 2011
  95. English

    Can you have a look at these sentences, please? 1. I’m emailing you the list of students, who are looking forward to starting the email partnership. As you can see, there are 25 pupils, coming from different classes and age groups. Do you think you can

    asked by Matthew on March 14, 2012
  96. physics

    A concave shaving mirror has a radius of curvature of 22.0 cm. For each of the following cases, find the magnification and determine whether the image formed is real or virtual and upright or inverted. (a) an upright pencil placed 41.4 cm from the mirror.

    asked by Anonymous on February 18, 2014
  97. PHYSICS

    A square wire loop 10.0 cm on each side carries a clockwise current of 15.0 A. Find the magnitude and direction of the magnetic field B at its center due to the four 1.20 mm wire segments at the midpoint of each side?

    asked by KAIT on September 3, 2011
  98. physics

    As a bowling ball of radius 15.9 cm rolls down the alley to the right, a frictional force of magnitude 1.46 N, directed to the left, acts on it. Find the frictional torque with respect to an axis through the center of the ball.

    asked by John on March 14, 2012
  99. Calculus

    Under a set of controlled laboratory conditions, the size of the population of a certain bacteria culture at time t (in minutes) is described by the following function. P = f(t) = 3t^2 + 2t + 1 Find the rate of population growth at t = 10 min. bacteria per

    asked by Tee on June 7, 2013
  100. algebra i

    two rubber balls are dropped from two different heights 136 ft and 287 ft. Find the function that describes them. I believe it is H(t) = -16t^2 + 136 and H(t) = -16 ^2 + 287. There are no answers in the book . I assumed velocity is 0. Am I correct? Thanks,

    asked by Sandy on August 8, 2015

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