Posts by Vishnu

Total # Posts: 64

  1. Maths

    7.5m
  2. Math

    Shanti bought lemons at 7 foe Rs.6 and sold them at 6 for Rs.7. (1).find her profit percentage (2).how many lemons would she have to sell to earn a profit of Rs.65?
  3. maths

    A quardilateral with 1 of 30,2 of 60,3 of 90,4 of 120
  4. language arts

    I need a sentence using the word motorcycle and nonagon, please.
  5. Language Arts

    I need the word in the sentence, not the meaning.
  6. Language Arts

    Can you help me with that, please?
  7. Language Arts

    Yes, someone suffers from it.
  8. Language Arts

    How can acrophobia be used in a sentence?
  9. math

    can you tell me the answer please?
  10. math

    I really don't get the problem.
  11. math

    A scale shows that four bananas weigh 2 lbs. Each banana weighs the same amount. If Molly wants to buy a total of 5 pounds of bananas, how many more bananas does she need to add to the scale? How many TOTAL bananas will she purchase?
  12. language arts

    What sentences can you make using the words electronic and tricycle?
  13. Math

    A box of 24 ornaments contain 3/4 red ornaments. How many red ornaments are in the box? How many ornaments are another color than red?
  14. Global school

    Child standing in front of a wall claps his hands and hears the Eco after 0.5 sec . Determine his distance from wall velocity of sound 340 meter per sec
  15. math

    BC/AB=cos 20/40=cos 1/2=cos Then cos=60
  16. physics

    how far will you travel if you maintain a speed of 100m/s for 30s?
  17. Sociology

    Which of the following was a topic of study in early sociology? a. Astrology b. Economics c. Physics d. History
  18. Physics

    What will happen if you try to place two bar magnets of exactly equal size one above the other such that their north poles are on the same side
  19. maths

    5+5*5+5=
  20. World Geography

    shut the front door
  21. Math

    You learn ratios, ordering fractions, long division and other things.
  22. 1st grade

    I ran past the finish line in the race!
  23. 10 th physics

    H=u^2/2g =20×20/2×10 =20m/s
  24. MARKETING

    1. Introduction – You need to work out what is the business scope of the company. That is what business are they in? 2. You will conduct an internal environment analysis – with a particular view to how well the company is placed to operate in another country. 3. You ...
  25. calculus

    Differentitate the function y =4(pi)^2
  26. calculus

    Differentiate the funciton H(x) = (x + x^-1)^3
  27. calculus

    Find an equation of the tangent line to the curve at the given point y = x + cosx, (0,1)
  28. calculus

    Please find the Derivative of the function y =sec^2x + tan^2x
  29. calculus

    Find the first and second derivatives of the function. h(x) = sqrt x^2 + 1
  30. calculus

    Never mind, I got the answer :)
  31. calculus

    Find equations of the tangent line and normal line to the curve at the given point. y = x^4 + 2e^x, (0,2)
  32. physics

    A pendulum consists of an object of mass 1.07 kg that hangs at the end of a massless bar, a distance 1.14 m from the pivot point. Calculate the magnitude of the torque due to gravity about the pivot point if the bar makes an angle of 22° with the vertical. torque = ...
  33. physics

    An athlete at the gym holds a 4.33 kg steel ball in his hand. His arm is 68.7 cm long and has a mass of 4.69 kg. What is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor? Torque = massball x length + massarm x ...
  34. physics

    A bag of cement of weight 370 N hangs from three wires Two of the wires make angles è1 = 58.6° and è2 = 23.8° with the horizontal. If the system is in equilibrium, calculate the tension T1.
  35. physics

    A man weighs 75 kg. What is his weight on the moon, where g=2.21 m/s2
  36. physics

    A woman has a mass of 64.2 kg. What is her weight on earth?
  37. physics

    What is the magnitude of the torque about his shoulder if he holds his arm straight, but 46.6° below horizontal?
  38. physics

    Should the lenght be in centimetres or metres and the mass of the ball in kilograms?
  39. physics

    An athlete at the gym holds a 4.33 kg steel ball in his hand. His arm is 68.7 cm long and has a mass of 4.69 kg. What is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor?
  40. physics

    will the weight be in kg or grams?
  41. biology

    Imagine you and a friend have robbed the Union Market. You are caught speeding out of the parking lot and are promptly apprehended by Campus Security. A scuffle ensues and you are both charged with resisting arrest. They isolate the two of you so that you may be questioned ...
  42. physics

    How long does it take the skier to reach the bottom?
  43. physics

    Larry leaves home at 2:08 and runs at a constant speed to the lamppost. He reaches the lamppost at 2:15, immediately turns, and runs to the tree. Larry arrives at the tree at 2:29. What is Larry's average velocity during his trip from home to the lamppost, if the lamppost ...
  44. physics

    h =18.0 m angle = 13.1° hypotenuse = ? Sine function formula is: Opposite / hypotneuse What is opposite?
  45. physics

    Can i have the formula for this step please?
  46. physics

    A skier is gliding along at 1.13 m/s on horizontal, frictionless snow. He suddenly starts down a 13.1° incline. His speed at the bottom is 18.8 m/s. What is the length of the incline? ------------------------------------ Use his change in kinetic energy to get his loss of ...
  47. physics

    41.8 m/s ?
  48. physics

    So the answer is 41.8 m?
  49. physics

    A rock is tossed straight up with a velocity of 37.1 m/s. When it returns, it falls into a hole 18.8 m deep. What is the rock's velocity as it hits the bottom of the hole? Responses The gain in kinetic energy equals the loss of potential energy. (1/2) M (V2^ - V1^2) = M g...
  50. physics

    You are driving to the grocery store at 12.2 m/s. You are 193.0 m from an intersection when the traffic light turns red. Assume that your reaction time is 0.790 s and that your car brakes with constant acceleration. How far are you from the intersection when you begin to apply...
  51. physics

    In 1865, Jules Verne suggested sending people to the Moon by launching a space capsule with a 207.9 m long cannon. The final speed of the capsule must reach 11.31 km/s. What acceleration would the passengers experience?
  52. physics

    The answer is 1744.89 m/s That's a little fast. Should I Square root this answer?
  53. physics

    A rock is tossed straight up with a velocity of 37.1 m/s. When it returns, it falls into a hole 18.8 m deep. What is the rock's velocity as it hits the bottom of the hole? Responses The gain in kinetic energy equals the loss of potential energy. (1/2) M (V2^ - V1^2) = M g...
  54. physics

    A skier is gliding along at 1.13 m/s on horizontal, frictionless snow. He suddenly starts down a 13.1° incline. His speed at the bottom is 18.8 m/s. What is the length of the incline? ------------------------------------ Use his change in kinetic energy to get his loss of ...
  55. physics

    308/21 = 14.66 m/s I still get a wrong answer
  56. physics

    Larry leaves home at 2:08 and runs at a constant speed to the lamppost. He reaches the lamppost at 2:15, immediately turns, and runs to the tree. Larry arrives at the tree at 2:29. What is Larry's average velocity during his trip from home to the lamppost, if the lamppost ...
  57. physics

    A rock is tossed straight up with a velocity of 37.1 m/s. When it returns, it falls into a hole 18.8 m deep. What is the rock's velocity as it hits the bottom of the hole?
  58. physics

    In 1865, Jules Verne suggested sending people to the Moon by launching a space capsule with a 207.9 m long cannon. The final speed of the capsule must reach 11.31 km/s. What acceleration would the passengers experience?
  59. physics

    Larry leaves home at 2:08 and runs at a constant speed to the lamppost. He reaches the lamppost at 2:15, immediately turns, and runs to the tree. Larry arrives at the tree at 2:29. What is Larry's average velocity during his trip from home to the lamppost, if the lamppost ...
  60. physics

    An object is thrown vertically upward with a speed of 19.1 m/s. How high does it rise?
  61. chemistry

    Identify the species which obey the octet rule for every atom. (The central atoms are underlined). a. ClO3- (Cl is underlined) b. SO2 (S is underlined) c. NO2+ (N is underlined) d. NO2 (N is underlined) e. ClO- (Cl is underlined)
  62. chemistry

    Select all true statements from the following: a. ) Metals are good conductors of heat and electricity. b. ) Nonmetals generally react by forming covalent bonds (i.e. sharing electrons) or by gaining electrons to form anions. c. ) Halogen atoms have the highest ionization ...
  63. chemistry

    Thanks Doc
  64. chemistry

    When copper is dissolved in nitric acid, a brown gas (NO2) is evolved, either by direct production of NO2 or by production of NO which is oxidized to NO2 by O2. Provide a Lewis drawing and resonance structures for the nitrate anion.