# Posts by Van

Total # Posts: 67

**Physics**

A ball A having a speed of 44.0 ms-1 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. What is the nature ...

*November 6, 2016*

**Physics**

A ball A having a speed of 44.0 ms-1 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. What is the nature ...

*November 5, 2016*

**algebra**

graph and show solution for y = Ix+2I and translated y =- IxI

*May 17, 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 cylinder to be the same...

*April 21, 2016*

**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?

*February 27, 2016*

**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 obeys boyles law.

*February 12, 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?

*January 26, 2016*

**Physics**

Two equal points charges of +3.00 X 10-6C are placed 0.200m apart. What are the magnitude and direction of the force each charge exerts on the other?

*January 25, 2016*

**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 kinetic energy be half...

*January 22, 2016*

**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?

*October 20, 2015*

**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).

*February 13, 2015*

**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*

**math**

Sorry mate. The people in here are boring. They will keep their mouth close.

*October 6, 2013*

**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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