Saturday

April 19, 2014

April 19, 2014

Total # Posts: 38

**Chemistry**

Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.240 M HClO(aq) with 0.240 M KOH(aq). The ionization constant for HClO can be found here.

**physics**

A spacecraft is in circular Earth orbit at 5400km altitude. By how much will its altitude decrease if it moves to a new circular orbit where its orbital speed is 20% higher?

**PHYSICS**

At what height above Earth's surface is the gravitational acceleration reduced from its sea-level value by 0.40%?

**PHYSICS**

What's the total mechanical energy of a 300kg satellite in circular orbit 1400km above Earth's surface?

**PHYSICS**

A 970kg car is at the top of a 38m -long, 2.5 ∘ incline. Its parking brake fails and it starts rolling down the hill. Halfway down, it strikes and sticks to a 1280kg parked car. Ignoring friction, what's the speed of the joined cars at the bottom of the incline? What...

**Life Orientation**

What unethical behaviour is taking place?

**programming (C#)**

this program calculates and display the distance a vehicle has traveled after each hour of journey. Make sure to use a for loop and have input validation.

**Chemistry **

A lightyear is a unit of length equal to the distance that light travels in 1 year. What is 1 lightyear expressed in units of meters? The speed of light is 3.00 × 108 m/s.

**Chemistry**

A 0.217-kg sample of methylene chloride has a density of 1.326 g/cm3. Calculate its volume.

**college algebra 2**

Use the equation W = -0.0014x2 - 0.076x + 50 to find W for each x-value in the table. Use this equation to estimate the number of worms on 60 and on day 180. Which answer is the most accurate?

**college algebra 2**

Use the equation W = -0.0014x2 - 0.076x + 50 to find W for each x-value in the table. Use this equation to estimate the number of worms on 60 and on day 180. Which answer is the most accurate?

**physics**

If a rope is 24cm long and a stone whirled at the end make 13 complete revolution in 4|2 seconds. Find the angular velocity, the linear speed and the covered distance in 8 seconds.

**Life orientation**

Describe the life style disease/behaviour and explain 5(or more) factors that contribute to the disease.

**Life orientation**

Way in which the human or environment problem impact on the community.provide relevant sources to support your claims

**maths**

how long will it take money to triple itself at 9.5% compound interest and 9.5% simple interest respectively?

**maths**

how long will it take a sum of money to tripe itself at (i) 9.5% compound interest and (ii) 9.5% simple interest?

**medical terminology**

The bx of the skin lesion was benign. What does the abbreviation bx stand for? A. Bactroban C. Basal cell carcinoma B. Biopsy D. Burn xeroderma

**Polynomial**

Create a polynomial that describes the perimeter of the outside figure: x + 8, 5, x, x, 2x, x + 8, 34 and inside figure: x + 12.

**bussiness maths**

using the graphical method solve the following linear programing problem maxmise objective function p=3x+y.subject to following constrains 6x+4y<48:3x+6y<42 x>0;y>0

**science**

how much force is excerted by a 25kg rock rolling down a hill at 3 meters per second per second?

**science**

what force is being applied to a meteor with a mass of 500 kg as it travels at a constant velocity of 5000 meters per second?

**physics**

what force is being applied to a meteor with a mass of 500 kg as it travels at a constant velocity of 5000 meters per second?

**Medical Terminology**

53. c 54.a 55.a

**physics**

Consider a map oriented sot hat the x axis runs east-west (with east being "positive" direction) and y runs north-south (with north "positive"). A person drives 35 km to the west, then turns and drives 44 km to the south. Find the x and y components of the ...

**chemistry**

What is the molecular mass of aspirin?

**math**

1) y= 3x + 7 2) y= 4/3x - 2 3) y= x + 1/2

**PHYSICAL CHEMISTRY**

explain why R is ACONSTANT IN THE IDEAL GAS EQUATION

**world geography **

i have no idea

**math**

solve. 3/x - 1/3 = 1/6

**Psy 300**

make recommendations and ground rules that will accommodate the auditory sensation, perception, and attention learning during your learning team meetings

**Psy 300**

make recommendations and ground rules that will accommodate the auditory sensation, perception and ascension learnings during your learning team meetings

**Psy 300**

make repudiation and ground rules that will come a day to arbitrary and station, perceptive, and attention to learning during your learning team meeting

**World Bank**

Where could I find information on the negative effects of the World Bank? I tried to search google and google scholar but I was not successful....

**Need help in clarifying this sentence.**

What are the key epistemological issues raised by Eugen Weber as he reflects on the nature of historical scholarship? I am having a hard time understanding what the above question is asking me... DO you mind clarifying the above question for me? Thanks alot...

**Can you help me fix some words in the sentence..?**

The language in the poem is fresh and classy. These words came to my mind as I wrote but I am not a fan of the words "fresh" and "classy"... what words could I replace these words with...

**Poetry**

Can you tell me one word that would sum up or define the following phrase...."flows easily" ....in relation to poetry....

**Science**

a. float b. remain suspended c. sink d. remain suspended

**Science**

A battery operated flashlight is turned on. What energy transformations take place and how does the amount of energy in the batteries compare to the total amount of light given? Hopefully the following sites will help you understand the principles of flashlights: http://www.en...

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