Wednesday
June 19, 2013

# Posts by SHEENA

Total # Posts: 40

trig
angle a is acute and sin = u. find the other five trigonometric functions in the terms of u.

computer
what is the cost: performance: reliability: size: installed in numbers: of super computers, main frame, personal computers and PDA'S ?

Astrophysics
Oh, yes, yes. This is explained in my book; I just didn't remember this formula or think to apply it to this problem. Thank you so much!

Astrophysics
If an eclipsing binary system has a period of 32 days, an orbital velocity of 153km/s, and an orbit that is nearly edge-on, what is the circumference of the orbit? The radius of the orbit? The mass of the system? I can't seem to find a starting point for this problem.

Chemistry
the specific heat capacity of gold is .13 J/g°C. Calculate the specific heat capacity of gold in cal/g°C. Calculate the specific heat capacity of gold in J/mol°C. Calculate the amount of energy required in joules to heat 2.5 kg of water from 18.5°C to 55.0°...

Chemistry Help!
the specific heat capacity of gold is .13 J/g°C. Calculate the specific heat capacity of gold in cal/g°C. Calculate the specific heat capacity of gold in J/mol°C. Calculate the amount of energy required in joules to heat 2.5 kg of water from 18.5°C to 55.0°...

human service management
What are three ways human resources help support the strategic goals of human service organizations

How many moles of nitrogen do you need to make 78 g of ammonia?

operating system
I need a breakdown of Windows, Users & Unix users.. Breakdown by year of computer virus growth... Breakdown of viruses by operating system... can you help me please???

PHYSICS- SCIENCE
1. It is believed that in the Archeaneon (2.5-4 billion years ago) the sun’s radiative output was 30% less than it is today. (i) What would the temperature of the sun have been at that time? (ii) At what wavelength would the peak emission from the sun have been? (iii) Ign...

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