Questions Asked on
December 23, 2018

  1. physics

    A small block of mass m=1 kg glides down (without friction) a circular track of radius R=2 m, starting from rest at height R. At the bottom of the track it hits a massless relaxed spring with spring constant k= 10 N/m, which starts to be compressed as the

    asked by tyger2020
  2. chemistry

    A 0.6465 g of bleaching powder Ca(ClO)2 was dissolved in dilute acid and treated with excess potassium iodide the reaction is: OCl-1 + I-1 + ……. -> Cl-1 + ……. + …….. 1) complete and balance the above reaction . thank you!

    asked by star888
  3. probablity

    Let X and Y be two independent Poisson random variables, with means λ1 and λ2, respectively. Then, X+Y is a Poisson random variable with mean λ1+λ2. Arguing in a similar way, a Poisson random variable X with parameter t, where t is a positive integer,

    asked by Anonymous
  4. probablity

    We are given a biased coin , where the probability of heads is q. he bias q is itself the realization of a random variable Q which is uniformly distributed on the interval [0,1]. We want to estimate the bias of the coin. We flip it 5 times, and define

    asked by Anonymous
  5. Physics

    Ice at 0°C is added to 200gms of water initially at 70°C in a vacuum flask. When 50gms of ice has been added and has all melted the temperature of the flask and the contents become 40°C. When 80gms of ice has been added and has all melted the

    asked by Guava
  6. social studies

    Which of the following factors is impeding economic growth in India? A. poor infrastructure B. its command economy C. microlending D. outsourcing

    asked by Jane
  7. Maths

    Express in the form of a+ib (3+i√5)(3-i√5)÷(√3+√2i)-(√3-i√2)

    asked by Nami
  8. Chemistry

    Is it possible to separate platinum, palladium, and iridium as chloro-complex ions from an HCl solution through electrolysis if the solution is a constant 1.0 molarity in chloride ions and 0.020 molarity in each complex ion?

    asked by Jeff
  9. Math

    Kinta Trading sells an item for RM90 less 25% and 10%. Softee Trading sells the same item for RM100 less 30%. (a) Find the net prices of the item for the two companies. (b) What additional discount percentage must be offered by the company that sells at a

    asked by Deng
  10. Math

    A retailer received an invoice dated 21 February 2015 worth $4,350 of goods that included a prepaid freight cost of $30. The invoice was offered trade discounts of 8% and 5% and cash discount term of 4/15, 2/20, n/30. (a) Find the last date to settle the

    asked by xxxx
  11. Electrochemistry

    Is it possible to separate platinum, palladium, and iridium as chloro-complex ions from an HCl solution through electrolysis if the solution is a constant 1.0 molarity in chloride ions and 0.020 molarity in each complex ion? The E values for the half

    asked by Jeff
  12. History

    Which identifies Japan’s movement from a feudal society to an industrialized nation? Class warfare that was established by disgruntled Japanese peasants led to the need for political reform and the end of feudalism. The spread of Christianity throughout

    asked by hanna
  13. physics

    I'm reposting this one because I'm still stuck... A uniform rod of mass M and length d is initially at rest on a horizontal and frictionless table contained in the xy plane, the plane of the screen. The rod is free to rotate about an axis perpendicular to

    asked by tyger2020
  14. chemistry

    Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 40. cm^3. If the combustion of this mixture releases 950. J of energy, to what volume will the gas expand against a constant pressure of 650. torr if all the

    asked by maath