arshi

Popular questions and responses by arshi
  1. physics

    Suppose the hand shown in (Figure 1) holds an 8.9-kg mass. The total mass of the arm is 3.3 kg. What force, FM, is required of the deltoid muscle, assuming the mass is 52 cm from the shoulder joint? So ive tried this problem multiple times but i'm not

    asked on November 18, 2015
  2. physics

    A 0.400-kg ice puck, moving east with a speed of 5.38 m/s , has a head-on collision with a 0.950-kg puck initially at rest. Assume that the collision is perfectly elastic. What is the speed of the 0.400-kg puck after the collision?

    asked on October 25, 2015
  3. statistics

    You randomly choose 16 unfurnished one-bedroom apartments from a large number of advertisements in your local newspaper. You calculate that their mean monthly rent is $613 and their standard deviation is $96. Does this SRS give good reason to believe that

    asked on November 19, 2013
  4. Maths

    A shopkeeper buys an article whose printed is rs 4000 from a wholesaler at a discount of 20% . the rate of sales tax under vat on the article is 8%. If he sells the article to a consumer at the printed price plus tax

    asked on November 12, 2017
  5. physics

    What is the difference in blood pressure (mm-Hg) between the bottom of the feet and the top of the head of a 1.57-m-tall person standing vertically? 1 mm-Hg = 133 N/m2. The density of blood is 1050 kg/m3.

    asked on November 22, 2015
  6. physics

    A scuba tank, when fully submerged, displaces 15.7 L of seawater. The tank itself has a mass of 13.9 kg and, when "full," contains 3.20 kg of air. The density of seawater is 1025 kg/m3. Assume that only its weight and the buoyant force act on the tank.

    asked on November 25, 2015
  7. math

    You randomly choose 16 unfurnished one-bedroom apartments from a large number of advertisements in your local newspaper. You calculate that their mean monthly rent is $613 and their standard deviation is $96. Does this SRS give good reason to believe that

    asked on November 19, 2013
  8. maths

    a sum of money doubles in 20 years on simple interest. it will triple at the same rate in ?

    asked on May 7, 2011
  9. statistics

    1. A professor measured the time (in seconds) required to catch a falling meter stick for 19 randomly selected students’ dominant and non-dominant hand. The professor claims that the reaction time in an individual’s dominant hand is less than the

    asked on November 24, 2013
  10. physics

    Engine oil (η = 0.20 Pa⋅s) passes through a fine 2.60-mm-diameter tube that is 8.60 cm long. What pressure difference is needed to maintain a flow rate of 7.8 mL/min ? So what i did was (7.8Ee-3 /60) = π P (1.3e-3) ^4 /(8* 0.086*0.2) I get 1.99E5 but

    asked on November 25, 2015
  11. Maths

    A shopkeeper buys an article whose printed is rs 4000 from a wholesaler at a discount of 20% . the rate of sales tax under vat on the article is 8%.

    asked on November 12, 2017
  12. geometry

    ok, so you have a special right triangle that is a 30 60 90, the side measures are y, 2y and y radical 3. in place of those, y=25 2y=c and y radical 3 i figured out to be 25 rad 3 divided by 3 this is substituted by letter d. find c. would it be 50?

    asked on March 8, 2012
  13. geometry

    Rain water from the flatt roof of a building 20 m by 5 m flows into a cylindrical tank of diameter 2 m. Find the increase in depth of water in the tank after 11 mm of rain. Give your answer in meters. Vcyulinder= Πr2h. Use Π≈(22/7).

    asked on March 8, 2012
  14. Geometry

    A certain type of tile costs $50 per square meter. If the actual tiles are square tiles with sides 20 cm, How much does one tile cost?

    asked on March 8, 2012
  15. geometry

    ok, so you have a special right triangle that is a 30 60 90, the side measures are y, 2y and y radical 3. in place of those, y=25 2y=c and y radical 3 i figured out to be 25 rad 3 divided by 3 this is substituted by letter d. find c. would it be 50?

    asked on March 8, 2012
  16. economics

    consumer and producer surplus at equilibriun point explain through graph?

    asked on March 9, 2010
  17. chemistry

    What is the mass of a small car in grams if its de Broglie wavelength is 4.198e-38 m when it is traveling at a velocity of 11.84 m/s ?

    asked on November 10, 2013
  18. maths

    simplify 7/8+ (1/3+5/6)

    asked on April 11, 2011
  1. Maths

    I want to know

    posted on November 12, 2017
  2. Maths

    I want to know the solution

    posted on November 12, 2017
  3. math

    11/5

    posted on April 11, 2011