Thursday

April 24, 2014

April 24, 2014

Total # Posts: 51

**analytical geometry**

make a full analysis of algebraic equation of y=(x-2)^2(x^2-9)

**pysics**

A ball is dropped from the roof of a building. How fast is it moving after 4.5 seconds? (Absolute value)

**Physics. Please please help!**

Nevermind, that'd be my error. Read it wrong

**Physics. Please please help!**

Elena, Im a little stuck on the first equation you have given. In the denominator, we are supposed to multiply r1 by r2. How did you get 20 x 10? Shouldn't it be 0.1m x 0.02m?

**Math Question 2**

i need to noe the factors of 63. im doing math hw

**healthcare reimbursement**

What is the difference between hospital claims processing and professional (provider and/or CMS 1500) claims processing?

**statistics**

When someone buys a ticket for an airline flight there is a 0.0995 probability that the person will not show up for the flight (based on data from the IBM research paper by Lawrence, Hong, and Cherrier). An agent for Air America want to book 24 persons on an airplane that can ...

**Chem**

Zinc reacts with HCl to produce ZnCl2 and Hydrogen gas, H2. What volume, in ml of a 1.25 M solution would be required to completely react with 3.27 g of Zn? Zn(s) + 2 HCl (aq) -------> ZnCl2 + H2

**physics help!**

Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. The spring constant of spring 1 is 155 N/m. The motion of the object on spring 1 has twice the amplitude as the motion of the object on spring 2. The magnitude of the...

**physics**

A thin uniform rod is rotating at an angular velocity of 7.70 rad/s about an axis that is perpendicular to the rod at its center. As the figure indicates, the rod is hinged at two places, one-quarter of the length from each end. Without the aid of external torques, the rod sud...

**physics**

A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 408 N walk on the overhanging part of the plank before it just begins to tip?

**physics**

Review Conceptual Example 7 before starting this problem. A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 408 N walk on the...

**physics**

One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop. Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. The first force has a magnitude of 2.00 N and is ap...

**physics**

A top is a toy that is made to spin on its pointed end by pulling on a string wrapped around the body of the top. The string has a length of 59 cm and is wrapped around the top at a place where its radius is 1.9 cm. The thickness of the string is negligible. The top is initial...

**physics**

A 4.15-g bullet is moving horizontally with a velocity of +369 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. The bulle...

**physics**

A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air resistanc...

**physics**

got it already thanks

**physics**

A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 95 kg. The mass of the rock is 0.34 kg. Initially the wagon is rolling forward at a speed of 0.50 m/s. Then th...

**physics**

A 4.15-g bullet is moving horizontally with a velocity of +369 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. The bulle...

**physics/ 2D motion**

A projectile of mass 0.539 kg is shot from a cannon. The end of the cannon’s barrel is at height 6.4 m, as shown in the figure. The initial velocity of the projectile is 9 m/s . How long does it take the projectile to hit the ground? Answer in units of s

**physics (please help!)**

A projectile of mass 0.539 kg is shot from a cannon. The end of the cannon’s barrel is at height 6.4 m, as shown in the figure. The initial velocity of the projectile is 9 m/s . How long does it take the projectile to hit the ground? Answer in units of s

**physics**

if a ball is thrown down at an inital speed of 22 m/s, what will be its position after 2.8 seconds? acceleration is 9.8 m/s squared

**physics**

Thank you so much!

**physics**

if a ball is thrown into the air at a speed of 22 m/s what is its position after 2.8 seconds?

**chemistry**

calculate the heat released for 5.00 grams if H2O cooling from 99 degrees celcius to 22 degrees celcius in joules and calories

**Chemistry**

Based on the steps occurring in an acid-base reaction, which definition of acids and bases is most practical? Give three reasons for your choice.

**algebra**

Find the volume of a cube whose side measures four x to the seventh power.

**PHI**

what am I suppose to answer here. The main point of this argument or what? I have never answer a question about analyzing the flaw? What does that mean, what should I be looking at? is is for mistakes in the arguments or what? Thank you

**10th grade**

well first you find how many coins there are in all. In this problem the entire amount is 6 coins, 3 of the 6 coins are dimes, if you pull out one dime there are now 2 dimes out of 5 coins ( because you took one away) so the answer would be two out of five chances.

**computer science**

Given an equilateral triangle with different charges namely charge on A is negative 4nC; B is positive 2nC and C is 1nC. The sides are all equal with 20cm. How can you calculate the resultant field on A; the mutual potential energy of the system?

**Math**

Solve for: cos (2 theta) = 2 - 2 sin^2 (theta)

**math **

2/3

**algebra**

2m-1=3m what is the first step needed to solve this

**Math**

what is the simplest form of 6/15, 15/60,and 78???????

**6th grade**

Because particles or molecules are always moving!!!

**Alegra II**

He Has Snow Brains

**math**

3/5 of the members of a hiking club went on the last hiking trip. if 39 people went on the last hiking trip how many are in the club?

**Spanish**

Use direct object pronouns in this sentence. Mi consejero académico me hizo unas sugerencias.

**Physical Science**

Can be used to represent an idea, object, or event that is too big, too small, too complex, or too dangerous to observe or test directly.

**Physical Science**

I am sorry, this is homework but this is all that is on each statement.

**Physical Science**

I am sorry, this was all I had on the puzzle and it is homework that I had in Physical Science.

**Physical Science**

Non of those work because I'm working on this crossword puzzle, and the word is 8 letters long and ends with a D.

**Physical Science**

Exact, agreed-upon quantity used for comparison.

**Physical Science**

I accidently typed in my next question in the wrong thing.

**Physical Science**

Can be used to represent an idea, object, or event that is too big, too small, too complex, or too dangerous to observe or test directly.

**Physical Science**

Application of science to help people

**Statistics**

It costs you $10 to draw a sample of size n=1 and measure the attribute of interest. You have a budget of $1,200. a. Do you have sufficient funds to estimate the population mean for the attribute of interest with a 95% confidence interval 4 units in width? Assume stdeviation(s...

**social studies**

what was used to stuff the nose of a mummy

**5th Grade Math**

how do you do metric measurement

**social studies**

Carpenters

**Calculus**

There is a sign that is 10ft on one side and 15ft on the other side (from the ground to the base of the sign), the billboard itself is 20ft. The painter brings a 25ft ladder in length. If the patch of ground 10ft from the base of the sign is used, at what point will the ladder...

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