Friday
December 19, 2014

Posts by Van


Total # Posts: 55

College Physics
An uncharged 3.20-μF capacitor is in series, through a switch, with a 5.55-M Ω resistor and a 36.0- V battery (with negligible internal resistance.) The switch is closed at t = 0 and a current of Ii immediately appears. Determine Ii. How long will it take for the ...
September 16, 2014

College Physics
What is the smallest capacitor needed in a computer power supply in order to supply at least 0.2 A of current for 0.35 s after the power goes off? (DATA: Assume that the resistance of all the components of the computer mother board is 5 Ω and it uses a 5 V supply.)
September 16, 2014

College Physics
After 2.5 time constants, what percentage of the final voltage, emf, is on an initially uncharged capacitor C, charged through a resistance R?
September 16, 2014

College Physics
A heart pacemaker fires 66 times a minute, each time a 27.0–nF capacitor is charged (by a battery in series with a resistor) to 0.632 of its full voltage. What is the value of the resistance?
September 16, 2014

College Physics
A circuit consists of 3 components connected between 2 terminals: A 6 V source, a 90 Ω resistor and a 0.01 F capacitor. The capacitor is initially uncharged. The voltage source is turned on. What is the voltage across the capacitor after a very long time? What is the ...
September 16, 2014

College Physics
What is the internal resistance of a 15.0 V car battery whose terminal voltage drops to 13.40 V when the starter draws 50.1 A? What is the resistance of the starter?
September 16, 2014

math
what are the factors of x^2-6x+12?
July 29, 2014

Algebra
Evaluate the limit of x-1 / square root of x - 2x as x approaches to 1. NOTE: 2X does not belong to the square root.
June 26, 2014

Physics
A disgruntled physics student sees the front end of his teacher's car below him at the base of a building. If the student is 5.0 m high above the car which is 3.0 m long and traveling only 3m/s to the right, will the apple of the student hit the teacher's car? What is ...
June 24, 2014

Physics
A disgruntled physics student sees the front end of his teacher's car below him at the base of a building. If the student is 5.0 m high above the car which is 3.0 m long and traveling only 3m/s to the right, will the apple of the student hit the teacher's car?
June 24, 2014

Algebra
What are the coordinates of X2-2 where 1 is more than or equal to x and 2x where x is less than 1? NOTE: X2 is x squared.
June 15, 2014

Physics
A man was lost in the woods. He wanders 3 km north, then 7 km east, then 7 km south, then 4 km west. What is the magnitude and direction of his resultant displacement?
June 12, 2014

exam # 013050
Need help with the following PF exam 013050 - answers
March 10, 2014

Physics
What are some careers that relate to waves and sound? Can you give some examples of how it's used please?
July 18, 2013

Physics
A bass guitar string produces a frequency of 460 Hz when plucked with no fingers on any of the frets. The same string is plucked again, with a finger placed halfway between the two ends. What frequency does it produce?
July 18, 2013

Physics
A standing wave is generated in a 12.0 m wave tank using a frequency of 5.00 Hz. There are a total of four nodes in the standing wave (one on each end of the tank and two others between the ends). a) Sketch the wave in the tank. b) What is the velocity of the wave in the tank...
July 17, 2013

Physics
A 3 kg object falls from a height of 10 m. What is its velocity just before it hits the ground? How would this problem differ if the object falling from a height of 10 m only had a mass "m"?
July 11, 2013

Physics
A 3 kg object falls from a height of 10 m. What is its velocity just before it hits the ground? How would this problem differ if the object falling from a height of 10 m only had a mass "m"?
July 11, 2013

Math
What is an example on how to use fractions used in graphic design.
May 6, 2013

Math
Which is the side length of a square with an area of 144 ft squared? 36, 72, 12 or 18 ft.? Is it 12?
December 6, 2012

health care
Find a current administrative issue in a newspaper, magazine, or journal article relating to topics such as patient privacy, confidentiality, or HIPAA. Write a 1,050- to 1,400-word paper that includes the following: • Describe the issue and its impact on the population it...
May 20, 2012

health care
Find a current administrative issue in a newspaper, magazine, or journal article relating to topics such as patient privacy, confidentiality, or HIPAA. Write a 1,050- to 1,400-word paper that includes the following: • Describe the issue and its impact on the population it...
May 20, 2012

health care
Find a current administrative issue in a newspaper, magazine, or journal article relating to topics such as patient privacy, confidentiality, or HIPAA. Write a 1,050- to 1,400-word paper that includes the following: • Describe the issue and its impact on the population it...
May 20, 2012

HRM
human resource management
July 21, 2011

Physics
Did you forget to square root 15? Because I^2 = 15, so I = sqrt 15 = 3.87. If that is the answer, then the speaker IS adequately protected.
February 7, 2011

HCS/335
Find a current administrative issue in a newspaper, magazine, or journal article relating to topics such as patient privacy, confidentiality, or HIPAA. Write a 1,050- to 1,400-word paper that includes the following: • Describe the issue and its impact on the population it...
February 4, 2011

Calculus
Answer is b. (5,-1) only Explanation: Points of inflection are present when f"=0 or is undefined (DNE). From the first table, you can see that f" is not 0 for any values of x, but is undefined for x=5, so there can be a possible point of inflection at x=5. Then, look...
January 3, 2011

social study
Hypothesize as to why so much conquest took place in Mesopotamia. Explain your hypothezie.
September 28, 2010

math
Arrange 1764 bottles in a shape of a square so the columns and rows are equal in number. How many bottles are there in each row?
June 28, 2010

Law
What is one way the US legal system affect US businesses. How do specific aspects of the US legal system contribute to furthering commerce
April 27, 2010

Economics
How does the local, state, or national economy affect your business or place of work? Are there businessess that are relatively recession- or depression-proof? Why or why not? Are there businesses that may not prosper to the same extent as others during an economic boom? Why ...
February 24, 2010

Grade 7 Georgraphy
southern most mainland (Point Pelee) and the most southern point of land period (Pelee Island), reach the latitude of northern California.
January 6, 2010

Grade 7 Georgraphy
How does the latitude of the sun Parlour compare to California?
January 6, 2010

grade 7 math
omg....i see. .4*1000 = 400 kg.
December 15, 2009

grade 7 math
How many grams are in one serving of soup if 2.4 kg will serve six people? a. 400 kg b 14.4 kg c. 400 g d. 2400 g
December 15, 2009

Calculus
Differentiate the following function. f (x) = 7 sin(x) + 1/6 cot(x)
October 16, 2009

math
a) How many different ways can 50 players in a marching band be in rectangle arrangements? b) If marching bands vary from 21 to 49 players, which number of players can be arranged in the greatest number of rectangles?
September 14, 2009

Math
sorry... i don't understand
September 14, 2009

Math
a) How many different ways can 50 players in a marching band be in rectangle arrangements? b) If marching bands vary from 21 to 49 players, which number of players can be arranged in the greatest number of rectangles?
September 14, 2009

math
oh godd....thanks again! ;)
September 9, 2009

math
25 km'
September 9, 2009

math
for part b do I times 7 & 25 by 7 days?
September 9, 2009

math
So..175/25 = 7 and 250/25=25 So, anthony travels 7 km a day and sam travels 25 km. each day.
September 9, 2009

math
Anthony plans to ride 175 km on his bike and Samantha plans to ride 250 km. They both plan to complete their journeys in a whole number of days. a) How many kilometers could each person travel if they both ride the same number of kilmeters each day? b) Howmany days will each ...
September 9, 2009

Math
Thanks again!!!!
September 9, 2009

Math
ohh... 216 photos can be placed on the bulletin board.
September 9, 2009

Math
So would 30 photos be able to fit on the square bulletin board measuring 72 x 72
September 9, 2009

Math
b? So how many photos of that size can be placed on the bulletin board?
September 9, 2009

Math
Thank you sooo much :)
September 9, 2009

Math
Would it be 6 x 4? because 72/6 = 12
September 9, 2009

Math
Not sure
September 9, 2009

Math
Asha plans to place vacation photos of her friends on a square bulletin board measuring 72 units by 72 units. a) Which size of phot can be placed without any spaces or overlapping? 10 X 8 6 X 4 5 x 7
September 9, 2009

simile's/metaphors
Semptember
May 3, 2009

HCI
pls answer my questions. i need your help. in what ways the human brains and machines are alike and different?? godbless you.
February 10, 2009

orientalism of muslim and arab american
i am lost also,i have been working on this answer for todays and have a headache trying to find it, hurting UOP student. help me somebody please!
August 6, 2006

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