van
Most popular questions and responses by van
chemistry
A certain gas is present in a 11.0L cylinder at 4.0 atm pressure. If the pressure I increased to 8.0 atm the volume of the gas decreased to 5.5L. Find the two constants Ki, the initial value of K, and the Kf, the final value of k, to verify whether the gas
asked on February 12, 2016 
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?
asked on December 6, 2012 
Chemistry
What is the molarity of a solution that results when 3.64 g KCl is dissolved in water and diluted to exactly 200.0 mL?
asked on February 27, 2016 
Physics
Two cylinders having weights of 100 kN and 200 kN with radii of 100 mm and 200 mm are placed with heavier weight above the lighter weight and both of them are placed in a container having a width of 500 mm. Assuming that the length of the container and
asked on April 21, 2016 
physics
A capacitor has a capacitance of 7.28uF. What amount of excess charge must be placed on each of its plates to make the potential difference between the plates equal to 25.0V?
asked on January 26, 2016 
math
For a longdistance persontoperson telephone call, a telephone company charges $ 0.51 for the first minute, $ 0.34 for each additional minute, and a $ 2.06 service charge. If the cost of a call is $ 6.65 comma how long did the person talk?
asked on March 12, 2019 
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
asked on June 24, 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?
asked on September 16, 2014 
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?
asked on September 14, 2009 
Math
What is an example on how to use fractions used in graphic design.
asked on May 6, 2013 
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?
asked on September 16, 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
asked on June 24, 2014 
venture
is increasing the entrepreneurial orientation of firm always a good thing? or are there circumstance or environment in which further pursuit and opportunities can diminish firm performance?
asked on October 20, 2015 
physics
a 1200kg car is moving on the freeway at 30 m/s. (a) Find the magnitude of its momentum and its kinetic energy in SI units. (b) At what speed, in m/s, will the car's momentum be half of what it is in part (a). (c) At what speed, in m/s, will the cars
asked on January 22, 2016 
algebra
graph and show solution for y = Ix+2I and translated y = IxI
asked on May 17, 2016 
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
asked on September 9, 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?
asked on September 14, 2009 
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?
asked on June 12, 2014 
HCI
pls answer my questions. i need your help. in what ways the human brains and machines are alike and different?? godbless you.
asked on February 10, 2009 
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"?
asked on July 11, 2013 
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)
asked on September 9, 2009 
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
asked on September 16, 2014 
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"?
asked on July 11, 2013 
Calculus
Differentiate the following function. f (x) = 7 sin(x) + 1/6 cot(x)
asked on October 16, 2009 
Physics
A ball A having a speed of 44.0 ms1 collides with another ball, B, of the same mass which is initially at rest. After the collision A is deflected, 45.0 from its initial direction and B moves off at an angle of 30.0° to the original direction of A. a.
asked on November 5, 2016 
Physics
Two equal points charges of +3.00 X 106C are placed 0.200m apart. What are the magnitude and direction of the force each charge exerts on the other?
asked on January 25, 2016 
Grade 7 Georgraphy
How does the latitude of the sun Parlour compare to California?
asked on January 6, 2010 
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?
asked on September 16, 2014 
Economics
How does the local, state, or national economy affect your business or place of work? Are there businessess that are relatively recession or depressionproof? Why or why not? Are there businesses that may not prosper to the same extent as others during an
asked on February 24, 2010 
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
asked on July 17, 2013 
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?
asked on June 28, 2010 
Physics
A ball A having a speed of 44.0 ms1 collides with another ball, B, of the same mass which is initially at rest. After the collision A is deflected, 45.0 from its initial direction and B moves off at an angle of 30.0° to the original direction of A. a.
asked on November 6, 2016 
College Physics
An uncharged 3.20μF capacitor is in series, through a switch, with a 5.55M 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
asked on September 16, 2014 
Algebra
What are the coordinates of X22 where 1 is more than or equal to x and 2x where x is less than 1? NOTE: X2 is x squared.
asked on June 15, 2014 
Physics
What are some careers that relate to waves and sound? Can you give some examples of how it's used please?
asked on July 18, 2013 
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
asked on April 27, 2010 
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
asked on December 15, 2009 
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?
asked on September 16, 2014 
Algebra
Evaluate the limit of x1 / square root of x  2x as x approaches to 1. NOTE: 2X does not belong to the square root.
asked on June 26, 2014 
exam # 013050
Need help with the following PF exam 013050  answers
asked on March 10, 2014 
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?
asked on July 18, 2013 
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 1,400word paper that includes the following: • Describe the issue and its impact on
asked on 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 1,400word paper that includes the following: • Describe the issue and its impact on
asked on May 20, 2012 
math
what are the factors of x^26x+12?
asked on July 29, 2014 
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 1,400word paper that includes the following: • Describe the issue and its impact on
asked on May 20, 2012 
social study
Hypothesize as to why so much conquest took place in Mesopotamia. Explain your hypothezie.
asked on September 28, 2010

physics
hmm
posted on November 14, 2018 
Math
Its A for sure
posted on October 15, 2018 
7th grade math
45/32*4 Maybe you could do something where people are at a restaurant. For example, "The restaurant bill was $45. 3 people need to split the bill evenly. After that, someone used a $2 off coupon. " I am not sure about the "times 4" part, but if you do
posted on May 4, 2017 
Physics
Horizontal Velocity: a horizontal line at 10 m/s Vertical Velocity: a straight line, starting at 10 m/s at 0 sec, decreases 5 m/s every 0.5 second (or 10 m/s each 1 second).
posted on February 11, 2017 
math
Sorry mate. The people in here are boring. They will keep their mouth close.
posted on September 14, 2015 
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 1,400word paper that includes the following: • Describe the issue and its impact on
posted on May 20, 2012 
HRM
human resource management
posted on July 22, 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.
posted on March 7, 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.
posted on January 9, 2011 
Grade 7 Georgraphy
southern most mainland (Point Pelee) and the most southern point of land period (Pelee Island), reach the latitude of northern California.
posted on January 6, 2010 
grade 7 math
omg....i see. .4*1000 = 400 kg.
posted on December 15, 2009 
Math
sorry... i don't understand
posted on September 14, 2009 
math
oh godd....thanks again! ;)
posted on September 9, 2009 
math
25 km'
posted on September 9, 2009 
math
for part b do I times 7 & 25 by 7 days?
posted on 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.
posted on September 9, 2009 
Math
Thanks again!!!!
posted on September 9, 2009 
Math
ohh... 216 photos can be placed on the bulletin board.
posted on September 9, 2009 
Math
So would 30 photos be able to fit on the square bulletin board measuring 72 x 72
posted on September 9, 2009 
Math
b? So how many photos of that size can be placed on the bulletin board?
posted on September 9, 2009 
Math
Thank you sooo much :)
posted on September 9, 2009 
Math
Would it be 6 x 4? because 72/6 = 12
posted on September 9, 2009 
Math
Not sure
posted on September 9, 2009 
simile's/metaphors
Semptember
posted on May 14, 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!
posted on February 12, 2009