arshi
Popular questions and responses by arshi
physics
Suppose the hand shown in (Figure 1) holds an 8.9kg 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 
physics
A 0.400kg ice puck, moving east with a speed of 5.38 m/s , has a headon collision with a 0.950kg puck initially at rest. Assume that the collision is perfectly elastic. What is the speed of the 0.400kg puck after the collision?
asked on October 25, 2015 
statistics
You randomly choose 16 unfurnished onebedroom 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 
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 
physics
What is the difference in blood pressure (mmHg) between the bottom of the feet and the top of the head of a 1.57mtall person standing vertically? 1 mmHg = 133 N/m2. The density of blood is 1050 kg/m3.
asked on November 22, 2015 
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 
math
You randomly choose 16 unfurnished onebedroom 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 
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 
statistics
1. A professor measured the time (in seconds) required to catch a falling meter stick for 19 randomly selected students’ dominant and nondominant hand. The professor claims that the reaction time in an individual’s dominant hand is less than the
asked on November 24, 2013 
physics
Engine oil (η = 0.20 Pa⋅s) passes through a fine 2.60mmdiameter 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 (7.8Ee3 /60) = π P (1.3e3) ^4 /(8* 0.086*0.2) I get 1.99E5 but
asked on November 25, 2015 
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 
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 
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 
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 
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 
economics
consumer and producer surplus at equilibriun point explain through graph?
asked on March 9, 2010 
chemistry
What is the mass of a small car in grams if its de Broglie wavelength is 4.198e38 m when it is traveling at a velocity of 11.84 m/s ?
asked on November 10, 2013 
maths
simplify 7/8+ (1/3+5/6)
asked on April 11, 2011

Maths
I want to know
posted on November 12, 2017 
Maths
I want to know the solution
posted on November 12, 2017 
math
11/5
posted on April 11, 2011