# Posts by Van

Total # Posts: 68

**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 ...

**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 ...

**algebra**

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

**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...

**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?

**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.

**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?

**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?

**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...

**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?

**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).

**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 ...

**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.)

**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?

**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?

**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 ...

**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?

**math**

what are the factors of x^2-6x+12?

**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.

**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 ...

**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?

**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.

**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?

**exam # 013050 **

Need help with the following PF exam 013050 - answers

**math**

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

**Physics**

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

**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?

**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...

**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"?

**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"?

**Math**

What is an example on how to use fractions used in graphic design.

**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?

**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...

**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...

**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...

**HRM**

human resource management

**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.

**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...

**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...

**social study**

Hypothesize as to why so much conquest took place in Mesopotamia. Explain your hypothezie.

**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?

**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

**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 ...

**Grade 7 Georgraphy**

southern most mainland (Point Pelee) and the most southern point of land period (Pelee Island), reach the latitude of northern California.

**Grade 7 Georgraphy**

How does the latitude of the sun Parlour compare to California?

**grade 7 math**

omg....i see. .4*1000 = 400 kg.

**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

**Calculus**

Differentiate the following function. f (x) = 7 sin(x) + 1/6 cot(x)

**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?

**Math**

sorry... i don't understand

**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?

**7th grade math**

45/3-2*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 ...

**math**

oh godd....thanks again! ;)

**math**

25 km'

**math**

for part b do I times 7 & 25 by 7 days?

**math**

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

**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 ...

**Math**

Thanks again!!!!

**Math**

ohh... 216 photos can be placed on the bulletin board.

**Math**

So would 30 photos be able to fit on the square bulletin board measuring 72 x 72

**Math**

b? So how many photos of that size can be placed on the bulletin board?

**Math**

Thank you sooo much :)

**Math**

Would it be 6 x 4? because 72/6 = 12

**Math**

Not sure

**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

**simile's/metaphors**

Semptember

**HCI**

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

**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!