Friday
May 6, 2016

# Posts by Roland

Total # Posts: 27

electron theory and ohm law
if the 5-ohm heater in problem 15 is placed with a 15-ohm heater, what current will the 15-ohm heater draw from the same power supply?
November 25, 2015

electron theory and ohms law
if the 5-ohm heater in problem 15 is placed with a 15-ohm heater, what current will the 15-ohm heater draw from the same power supply?
November 25, 2015

electron theory and ohms law
what voltage must be applied to a 6.4-ohm lamp filament to develop 20 amperes of current?
November 25, 2015

Physics
Calulate the acceleration of a 300,000kg jet on take when the thrust is equal to 120,000N. I used a = f/m to get 0.4m/s/s Tricky part. How long a runway is required for the plane to take off at a speed of 300km/h? Help?
August 5, 2015

chem
Thank you. That was a big help. My Dad is trying to help me but he's been out of college more then 30 years.
February 4, 2015

chem
A 5.2 litre baloon at 900 torr of pressure. If the temp is kept constant and the pressure is reduced to 200 torr what is the voume in the balloon? Is this a trick question? My instinct is to say the volume is the same, 5.2 litres.
February 4, 2015

Africa
I'm in grade 12 I want an advice about the subj that I chose maths lit,geography,life scinces,so which job I can take next year pls keep me up dated
June 5, 2014

Calculus
A company manufactures widgets. The daily marginal cost to produce x widgets is found to be C'(x) = 0.000009x^2 - 0.009x + 8 (measured in dollars per unit). The daily fixed costs are found to be \$120. a. Use this information to get a general cost function for producing ...
April 25, 2013

Calculus
Part I The change in annual revenue in thousands of dollars for the Ozark Zip Line Corporation has been modeled by the function. R(x) = 8.2x^2 + 23.1x where x is the number of years after 2000. To find the total revenue gained between the years 2002 and 2005, start by choosing...
April 24, 2013

Calculus
Part I The change in annual revenue in thousands of dollars for the Ozark Zip Line Corporation has been modeled by the function. R(x) = 8.2x^2 + 23.1x where x is the number of years after 2000. To find the total revenue gained between the years 2002 and 2005, start by choosing...
April 24, 2013

Calculus
Part I The change in annual revenue in thousands of dollars for the Ozark Zip Line Corporation has been modeled by the function. R(x) = 8.2x^2 + 23.1x where x is the number of years after 2000. To find the total revenue gained between the years 2002 and 2005, start by choosing...
April 22, 2013

Cosmology
á less than −4
January 16, 2013

Physics
A rocket of total mass 3100 is traveling in outer space with a velocity of 120 . To alter its course by 40.0, its rockets can be fired briefly in a direction perpendicular to its original motion.
November 27, 2012

Statistics
find the standard deviation by substituting n= 147, p=0.13 and q=0.87
February 6, 2012

accounting
1,150,000 in cash. How long would it take them to accumulate \$2,000,000 in cash? Assume an interest rate of 5 percent.
November 28, 2011

science
which of the following does not affect reaction rate balancin, temperature surface area or concentration?
September 27, 2011

math
May 4, 2011

math
if you spin the spinner 00 times will B be spun more times than A?
May 4, 2011

A car with a forward force of 2,000 newtons drives a distance of 20 kilometers in minutes. How much power does it have?
November 7, 2010

Algebra
-4 sqrt5 + 3 sqrt3
April 4, 2008

Science
why do we name lakes
January 16, 2008

Science
Why do we name rivers?
January 16, 2008

windows server 2003
**This question I dont understand**When you configure volume shadow copy, which of the following parameters cannot be configured?
September 18, 2007

windows server 2003
sorry for all the pots new to the site
September 17, 2007

windows server 2003
lol i have no idea
September 17, 2007

windows server 2003
**This question I dont understnad**If you do a full backup to a single tape on a Friday night and then an incremental backup to a single tape on all other days of the week (including the weekend), if a system failure occurs, what is the maximum number of tapes required to ...
September 17, 2007

math
how do i find the precent. 12 of 170
September 11, 2007

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