# 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

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?

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

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

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.

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.

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

8. ## maths

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

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

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

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%.

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?

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).

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?

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?

16. ## economics

consumer and producer surplus at equilibriun point explain through graph?

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 ?

18. ## maths

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

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