1. mechanics

    two lifting ropes are connected at bthier lower ends to a common shackle from which a load of 53kN hangs. if the rops make angles of 35degree and 45 degree respectively to the vertical. find the tension in each rope.

    asked by kia2 on June 29, 2017
  2. math trig

    If a ferris wheel with a 20.5 meter radius, how high would one car be from the loding dock at these given angles trveled by the rider?: 90 135 180 225 270 315 405 450 495 and 540?

    asked by Zoe on May 9, 2013
  3. Trig

    Special Angles And their Measures Fill out the Table Below: in degrees Sin Cos Tan 0 30 45 60 90 120 135 150 180 210 225 240 270 300 315 330

    asked by Jennifer on August 31, 2009
  4. math

    media service charges $30 for a phone and $20 month for its economy plan. find a model that determines the total cost,C(t) of operating a media services phone for 1 months C(t)= use the model to find the total cost for 3 months of service total cost=

    asked by Anonymous on September 20, 2010
  5. 7th Math

    A plumber must bend a piece of tubing twice, allowing 5/8 inch for each bend. use the total of 12 1/2, 16 3/4, and 18 3/4. To find the total length of tubing needed?

    asked by K on October 28, 2011
  6. maths

    A group of friends are planning a road trip. If they all contributed $24, then they would be $6 short of the total. If they all contributed $25, then they would have $3 more than needed. What is the total cost of the trip?

    asked by Rox on February 13, 2013
  7. math

    sid went to play in the nearby park. on reaching the park,he saw that were a total of 14 bicycles and tricycles. if the total number of wheels was 32, how many tricycles were there ?

    asked by ritesh on March 9, 2016
  8. Math - Year 10 - Simult. Equations

    Q) Mr Yang's son has a total of twenty-one $1 and $2 coins in his money box. When he counts his money, he finds that it's total value is $30. How many coins of each type does he have?

    asked by ^ ^ on June 4, 2016
  9. arithmetic

    A group of friends are planning a road trip. If they all contributed $24, then they would be $6 short of the total. If they all contributed $25, then they would have $3 more than needed. What is the total cost of the trip?

    asked by please help me out!!! please on February 11, 2013
  10. chemistry

    Use the percent composition of total protein in skim milk to determine the percent of the total protein that is due to the casein fraction.

    asked by Anonymous on September 25, 2015
  11. Geometry

    The total area of all the faces of a rectangular prism is 22, and the total length of all its edges is 24. Find the length of the internal diagonal of the prism. Thank you!

    asked by Sheenybeany on July 29, 2014
  12. algebra

    supose you bought eight oranges and one grapefruit for a total of $4.60. later day, you bought six oranges and three grapefruits for a total of $4.80. what is the price of each type of fruit?

    asked by alex on January 8, 2013
  13. algebra

    A total of $80,000 is invested in two funds paying 2.3% and 3.1% simple interest . The total annual interest is $2000. How much is invested in each fund?

    asked by Jasmine on June 21, 2015
  14. Math

    A total of $4100 was invested, part of it at 5% interest and the remainder at 10%. If the total yearly interest amounted to $370, how much was invested at each rate?

    asked by ---- on September 19, 2017
  15. math

    A cube has a total surface area of 384 ft². Find the total surface area of the largest sphere that will fit into it.

    asked by maribel on January 31, 2010
  16. math

    The student council has a canned food drive. They collected a total of 63 cans on Wednesday. This is 21% of the total. How many canned goods were collected in all?

    asked by andra on May 9, 2013
  17. Science

    A lever has a 9-N load 1.5m from the fulcrum. Where should a 0.5N effort force be applied to balance the load?

    asked by Micheal on February 17, 2012
  18. maths/physics

    A rubber ball weighs 49 N. What is the acceleration of the ball if an upward force of 69 N is applied?

    asked by Anonymous on August 18, 2011
  19. physics

    forces of and are applied at the same point. the angle between F1 and F2 is 60.0◦ and the angle between F2 and F3 is 80.0◦. find the resultant force.

    asked by resultant force on February 8, 2013
  20. Physical Science

    What is the weight of a 4.82 kg backpack in Newton and the acceleration of the backpack if a net force of 10.0 N is applied in m/s2?

    asked by Rashida on August 29, 2014
  21. Physics

    A single 11 Newton force is applied to an object of mass 19 kg. What is the acceleration of this object in m/s2

    asked by Aly on January 3, 2010
  22. Physics

    The applied force of a 2.0-kg object is 8.4 N [E] and the friction is 2.2 N [W]. What is the motion of the object? Can I use the formula Fnet = ma?

    asked by Marty on March 2, 2008
  23. chemistry(please clarify my thoughts)

    for MO between C-S, is the sigma bond higher in energy than pie bond since it is applied to C.So when we do MO for C-S,do we use that rule in this as well

    asked by phys on April 8, 2010
  24. Advanced Algebra 1

    A polygon has a perimeter of 24mm. Find the new perimeter after a scale factor of 1/4 is applied?

    asked by Jordan on October 14, 2010
  25. Physics

    A lever has a 9-N load 1.5m from the fulcrum. Where should a 0.5N effort force be applied to balance the load?

    asked by Micheal on February 17, 2012
  26. math

    What is the importance of Algebraic Reasoning? What is an example of how this type of reasoning can be applied outside of a mathematics classroom?

    asked by luli on July 24, 2009
  27. Science

    A 50N- force was applied to a 10kg ball. Find the acceleration of the ball

    asked by Joy on November 7, 2012
  28. physics

    a force of 20 n is applied to a 10 kg mass on a level frictionless surface what is the acceleration of the mass?

    asked by irene on November 14, 2011
  29. ap chem

    a solution is prepared by dissolving 4.87 g of sodium dichromate in 25.0 ml of water. (d=1.00g/mL).calculate a. the mass percent of sodium dichromate in the solution. b. the mass percent o water in the solution. c the mole fraction of sodium dichromate in

    asked by just on February 20, 2007
  30. physics

    A crystalline solid consists of atoms stacked up in a repeating lattice structure. The atoms of a crystal reside at the corners of cubes of side L = 0.200 nm. One piece of evidence for the regular arrangement of atoms comes from the flat surfaces along

    asked by Ania on October 13, 2012
  31. math

    Write a function rule for the total cost. One frozen yogurt store sells frozen yogurt for $3.00 per cup and $1.25 per topping. Write a linear equation to show the total cost of a cup of frozen yogurt. Then calculate the total price for one cup of frozen

    asked by callie on April 27, 2015
  32. PHYSICS

    An odometer in a car has a reading of 50 km at the beginning of a trip and a reading of 125 km half an hour later. What is the average speed of the car? A. 3.75 km/h B. 62.5 km/h C. 1250 km/h D. 250 km/h The only way to find the average speed is to divide

    asked by Anonymous on July 22, 2010
  33. Physics

    A stuntman is being pulled along a rough road at a constant velocity by a cable attached to a moving truck. The cable is parallel to the ground. The mass of the stuntman is 110 kg, and the coefficient of kinetic friction between the road and him is 0.825.

    asked by Kelly on March 20, 2013
  34. Physics

    Two buckets of sand hang from opposite ends of a rope that passes over an ideal pulley. One bucket is full and weighs 110 N ; the other bucket is only partly filled and weighs 65 N . You release the lighter bucket and the heavier one descends. What is the

    asked by Luke on November 8, 2015
  35. Ecoomics

    commodity Price Elasticity of demand ---------- Potatoes 0.3 If I know there is a fall in the price of potatoes how do i predict the corresponding direction of change in total spending? Total spending on potatoes is P*Q. Elasticity is (%change in

    asked by Jon on September 25, 2006
  36. physics

    An object is thrown vertically into the air with an applied force of 145N. what is the initial acceleration of the object?

    asked by jake on March 31, 2010
  37. physics

    How much applied force is needed to accelerate a 2.0 kg block of wood at 4.0m/s^2 along a rough table, against a 10 N force of friction?

    asked by Melissa on March 25, 2012
  38. Chemistry

    A current of 5.41 A is pass through a Ni(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 7.30 g of nickel?

    asked by At Least I Am Persistent. on April 3, 2014
  39. Math

    Color pencils are six dollars and the discount rate is 5% find the price of each product after a discount is applied

    asked by Olivia on January 17, 2017
  40. physics

    a car has a mass of 820 kg. It starts from rest and travels 41 m in 3.0s. What is the net force applied to the car?

    asked by none on February 1, 2015
  41. Science

    If the force of friction acting on a sliding crate is 79 N, how much force must be applied to maintain a constant velocity?

    asked by Audrey on October 2, 2011
  42. math

    what is the percent reduction or enlargement that will result if the coordinate rule is applied to a figure on a coordinate grid? (2x, 2y)

    asked by Anonymous on September 27, 2018
  43. Physics

    When a 300N force is applied to a box weighing 600N the box moves 3.0 horizontal in 20seconds

    asked by Patricia on February 11, 2016
  44. Physics

    The brakes of an automobile are suddenly applied at the instant when its velocity is 20 m/s. If the automobile comes to a stop after 5 seconds, what is its acceleration?

    asked by Harry on January 11, 2016
  45. Chemistry

    A current of 3.94 A is pass through a Pb(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 5.40 g of lead?

    asked by Brianna on July 25, 2013
  46. film and arts

    How has Leona Louise Lewis applied 7 principles of organization in her artwork? What are the artistic elements she has used in her artwork?

    asked by Taurus on June 24, 2008
  47. CIRCUITS

    three 20 kilo ohms Resistors R1, R2, and R3 are in Series across an applied voltage of 120 V. What is the voltage drop across each resistor.

    asked by Camille on April 12, 2015
  48. physics

    What is the magnitude of the angular acceleration of a 25.5-kg disk of radius 0.775 m when a torque of magnitude 41.5 N · m is applied to it? rad/s2

    asked by alba on March 6, 2015
  49. Chemistry

    A current of 5.61 A is pass through a Ni(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 9.00 g of nickel?

    asked by Anon on March 30, 2013
  50. Physics

    What is the pressure increase in the fluid in a syringe when a force of 34.5 N is applied to the circular piston of the syringe, which has a diameter of 10.2 mm?

    asked by Sydney on February 1, 2011
  51. Physics

    An 1100 kg car accelerates from rest to 90 km/h over a distance of 25 m. A) How much work is done? B) What is the average force applied through this distance?

    asked by galina on July 11, 2018
  52. CHEMISTRY!!!!! HELP!!

    I'm looking for a chemistry and applied chemistry textbook that had been published between 2011-2014. Please help because I couldn't find one on google.

    asked by Jane on October 18, 2014
  53. math

    consider the minimum payment you just calculated determine the amount of interest and the amount that was applied to reduce the principal?

    asked by Regina on March 13, 2013
  54. Geometry

    I have to do this web quest table and i just want to make sure that i did this right. please help check this for me! I did this in excel so i marked the questions with my answers with different symbols. it is a little confusing. Probability of 2 randomly

    asked by Cheryl on February 2, 2011
  55. Physics

    Alcohol flows smoothly through a horizontal pipe that tapers in cross-sectional area from A1 = 41.9 cm2 to A2= A1/3. The pressure difference Äp between the wide and the narrow sections of the pipe is 11.1 kPa. What is the volume flow rate ÄV/Ät of the

    asked by Rebecca on December 3, 2009
  56. Chemistry

    A stressed chemistry student is hyperventilating into a paper bag. The student stops to wipe his brow after a few breaths, and the bag is at 5.7 KPa and the temperature in the lecture hall is 24 °C. The bag is 0.75L full. The student then goes at it

    asked by Lauren on March 22, 2011
  57. Chemistry

    A stressed chemistry student is hyperventilating into a paper bag. The student stops to wipe his brow after a few breaths, and the bag is at 5.7 KPa and the temperature in the lecture hall is 24 °C. The bag is 0.75L full. The student then goes at it

    asked by Lauren on March 23, 2011
  58. Math - Accounting

    Consider a home mortgage of 125,000 at a fixed APR of 9% for 30 years. - calculate the monthly payment - determine the total amount paid over the term of the loan - Of the total amount paid, what percentage is paid toward the principal and what percentage

    asked by Nena on November 11, 2017
  59. Chemistry (please help!!)

    a stressed chemistry student is hyperventilating into a paper bag. The student stops to wip his brow after a few breaths, and the bag is at 5.7 KPa and the temperature in the lecture hall is 24 degrees C. The bag is 0.75 L full. The student then goes at it

    asked by Celine on March 24, 2011
  60. Astronomy

    Two bodies with equal masses orbit the Sun in a circular orbit. If the radii of the two orbits are the same then following is true: a) The orbital period of the two bodies is the same because their masses are the same. b) Their orbital period of the two

    asked by Alex on February 11, 2009
  61. algebra

    110 students like the program. 120 students think the program is unnecessary. 210 students plan on running for student government next year. If a circle graph were made from the data, what is the measure of the central angle for the group that likes the

    asked by Jenna on May 19, 2014
  62. Statisics

    35%of adult Americans are regular voters. A random sample of 250 adults in a medium-size college town were surveyed, and it was found that 110 were regular voters. Estimate the true proportion of regular voters with 90% confidence and comment on your

    asked by tina on October 6, 2011
  63. Chemistry

    Please help! I don’t know where to start and I need step by step on how to solve: A gaseous mixture inside a rigid steel vessel contains 75% CO2(g) and 25% H2O (g) by volume at 175 degrees Celcius and 225 kPa. The mixture is then cooled to 0 degrees

    asked by Jacqueline on April 27, 2018
  64. Thermodynamics

    Water in a piston/cylinder is at 100degC, x=0.5 with mass 1kg and the piston rests on two stops. The equilibrium pressure that will float the piston is 300 kPa. The water is heated to 300degC by an electrical heater. a) At what temperature would all the

    asked by Kyle on May 1, 2013
  65. social studies

    q. what is the date for each event.list these 3 things in thier correct sequence. Raliegh send barlowe and amandas on an expedition john white leads a group of colonists to roanoke island raliegh sends about 110 men to settle roanoke island I need help in

    asked by My dancer chick on November 17, 2008
  66. physics chemistry

    For a PET diagnostic imaging is used 18F with an activity of 5,2 mCi and a T1/2 of 110 min.. How much fluorine 18 is there at the beginning of the exam? Those are the information that i know, it's a problem that i try to resolve, but i arrived to a very

    asked by Alessandro on November 3, 2012
  67. statistical reasoning

    One hundred people are selected at random and tested for colorblindness to determine whether gender and colorblindness are independent. The following counts were observed. Colorblind Not Colorblind Total Male 8 52 60 Female 2 38 40 Total 10 90 100 Find the

    asked by Anonymous on April 14, 2017
  68. science

    A scientist makes the measurements shown in the data table below. She needs to know the total volume of her other samples. which of the following shows the total volume reported with the correct number of digits and units. Samole A 12.14 ML Sample B 3.400

    asked by China one on September 16, 2015
  69. Financing and Budget

    The Income Statement for Tiny Tykes Day Care reveals total revenues of $181,575 and total expenses of $159,657. The profit margin for Tiny Tykes is A. 87.9%. B. 12.1%. C. impossible to determine from the information given. D. 1.2%. B.

    asked by Amanda on November 19, 2014
  70. English

    1. At school, I enjoy chatting with my close friends. 2. At school, I enjoy cleaning with other classmates. 3. At school, I enjoy playing soccer in the playground. 4. At school, I enjoy eating cookies at the school shop. 5. At school, I enjoy playing

    asked by rfvv on December 1, 2012
  71. Statistics

    Serena Williams won the 2010 Wimbledon Ladies Singles Championship. For the seven matches she played in the tournament, her total number of first serves was 379, total number of good first serves was 256, and total number of double faults was 15. a. Find

    asked by vv on October 18, 2013
  72. Probability

    Serena Williams won the 2010 Wimbledon Ladies Singles Championship. For the seven matches she played in the tournament, her total number of first serves was 379, total number of good first serves was 256, and total number of double faults was 15. a. Find

    asked by vv on October 19, 2013
  73. maths-perimeter

    A Rectangular field 750m long and 450m broad has in the middle of it , road 5m wide running at right angles to each other , one long the length and the other along the breadth . Find the area of the path

    asked by anoynomous on March 6, 2013
  74. arithmetic

    2. A person walking along a straight road observed that at two consecutive kilometre stones the angles of elevation of a hill front of him are 40o and 80o respectively. Find the height of the hill.

    asked by zainab on April 24, 2012
  75. pre calculus

    Forces with magnitudes of 250 pounds and 130pounds act on an object at angles 45degrees and -60degrees respectively with the positive axis. Find the direction and magnitude of the resultant of these forces.

    asked by Anonymous on November 26, 2016
  76. math

    respected sir i want to know the table describing the values of angles of trigonometry functions. eg. sin,cos & tan 15,30,45,60,75,90 separately in table format. thanking you! padam singh.

    asked by padam on March 4, 2010
  77. physics

    two ropes attached to I beam (mass 500 kg). ropes make angles of 60 degrees with horizontal. Determine tension in each rope. I ended up with 2829 N for each. Correct? or could you explain more?

    asked by Anonymous on November 7, 2010
  78. physics

    A spring is extended 4mm by an applied force of 2.0N. a)What is its spring constant? b)How much would it extend if a load of 150g was suspended from it?

    asked by Tangeni. on April 14, 2013
  79. Physics

    A torque of 32Nm is applied to a wheel, which causes it to accelerate at 25 rad/s2. What is the rotational moment of inertia of the wheel? I got 1.28kg/m^2.

    asked by Yoyo on August 7, 2015
  80. physics

    a pin has a diameter of 0.005mm at its sharp end. calculate the pressure exerted when a force of 2.0N is applied to the pin.

    asked by kongo on August 7, 2015
  81. physics

    a net force of 72 n is applied to a 48 kg box starting from rest for 8 s. what is the final velocity of the box? I need someone to show me how to set up. thanks

    asked by Anonymous on October 16, 2014
  82. math

    The markup on a restaurant mean is 250%. A meal costs $7.25 to produce. How much will the customer be charged, after markup and 5% GST are applied?

    asked by alyssa on July 5, 2013
  83. physics

    a net force of 100 newton's is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

    asked by john on December 1, 2014
  84. physics grade 12.

    A spring is extended by 4mm when a load of 2.N was applied. a)What is its spring constant? b)How much would it extend if a losd of 150g was suspended from it?

    asked by Tangeni. on April 14, 2013
  85. physics

    With brakes fully applied, a 1340 kg car deccelerates from a speed of 96.0 km/hr. What is the change in the kinetic energy of the car?

    asked by anonymus on August 31, 2018
  86. physics

    A bowling ball weighing 43.0 N initially moves at a speed of 4.90 m/s. How long must a force of 51.0 N be applied to the ball to stop it?

    asked by John on February 24, 2012
  87. Physics

    A bowling ball weighing 67.0 N initially moves at a speed of 4.80 m/s. How long must a force of 54.5 N be applied to the ball to stop it?

    asked by Anonymous on February 24, 2012
  88. Physics

    Find the capacitance of a parallel plate capacitor if 1400 ìC of charge are deposited on its plates when 20 V are applied across the plates.

    asked by Eren on December 1, 2014
  89. Physics

    The two pistons in a hydraulic lift have radii of 2.67 cm and 20.00 cm respectively. What force must be applied to the 2.67 cm piston so that a 2.0 x 10^3 kg mass resting on the 20.0 cm piston is lifted?

    asked by Tiffani on April 1, 2014
  90. Physics

    A uniform 2.0 kg cylinder can rotate about an axis through its center at O. The forces applied are: F1 = 5.70 N, F2 = 3.90 N, F3 = 4.30 N, and F4 = 7.00 N. Also, R1 = 12.8 cm and R3 = 4.50 cm. Find the angular acceleration of the cylinder.

    asked by Morgan on November 5, 2011
  91. physics

    A force in the +y direction applied at the point x=2.3m,y=1.4m gives rise to a torque of 39n*m about the origin. Find the magnitude of the force.

    asked by jenn on November 17, 2012
  92. physics

    a net force of 200 newton's is applied to a wagon for 3 seconds. this causes the wagon to undergo a change in momentum of

    asked by john on December 1, 2014
  93. Physics

    A uniform 2.0 kg cylinder can rotate about an axis through its center at O. The forces applied are: F1 = 5.70 N, F2 = 3.90 N, F3 = 4.30 N, and F4 = 7.00 N. Also, R1 = 12.8 cm and R3 = 4.50 cm. Find the angular acceleration of the cylinder.

    asked by ALEX on November 6, 2011
  94. math

    The rule (x + 2/3, y - 3/4) is applied to a polygon. Find the coordinates of the point on the image that corresponds to each of these points on the original polygon.

    asked by Anonymous on October 26, 2011
  95. physics

    A bowling ball weighing 40.0 N initially moves at a speed of 4.90 m/s. How long must a force of 54.0 N be applied to the ball to stop it?

    asked by klbiesec on October 17, 2011
  96. physics

    find the approximate current density when an electric field of 5v/m is applied to a copper conductor.the conductivity of copper is 59.6*10^6

    asked by mat on February 18, 2016
  97. physics

    A 900-kg car is moving at 27.6 m/s. A braking force of -4320 N is applied for 4.60 s. What is the velocity of the car when the brakes are released?

    asked by Addie on January 9, 2012
  98. physics

    if 3 resistors of 2,3 and 5 ohms are connected in parallel and a battery of 10 volts is applied across it, then what is the potential drop across 3 ohms resistor ?

    asked by ashwita on February 19, 2013
  99. Physics

    In both cases an applied force of 100N accelerates block A which weighs 100N. In which case is this acceleration greater?

    asked by Sandy on June 6, 2010
  100. physics

    a go-cart with a mass of 47.0kg is accelerating at a rate of 4.50m/s^2. What net external force is being applied to the go-cart?

    asked by america on November 20, 2013