# Question!

### Need help finding the name of a French movie?

It was subtitled 'I married a ghost'..It starts off with a boyfriend 'Franck" abandoning his pregnant girlfriend. She then takes a train, meets a young couple and tries on the wedding ring of the young woman, The train then crashes and she survives, taking the identity of the young woman.

Thanks!

2 AnswersMovies6 years ago### Physics Question about spring compression? Grade12?

A freight company uses a compressed spring to shoot 1.70kg packages up a 1.00m high frictionless ramp into a truck. The spring constant is 344N/m and the spring is compressed 33.0cm . What is the speed of the package when it reaches the truck?

Please explain! :)

1 AnswerPhysics8 years ago### Anti-differential of (x^2)(e^-x)dx? Please help!?

I've tried this a million different ways and I can't get it. Could someone please explain? Thanks!

1 AnswerMathematics8 years ago### Laws of Logs Question with exponents :(?

if you have log (ab)^2

is it 2 log a + log b or is it 2 log a + 2 log b?

thanks!

1 AnswerMathematics8 years ago### Derivative with many exponents? Chain rule!?

How does this work?

5^(7^(t^(3)))

soo confused

thanks!

2 AnswersMathematics8 years ago### What concentration of acid is needed for etching?

I'm using Ferric Chloride for a copper plate, but what should the concentration of the acid be?

1 AnswerOther - Visual Arts8 years ago### Limits approaching negative infinity?

I don't get how to solve this!! (The right answer I have for it is 1 but I can't get to it!)

lim x-> -∞ (xe^1/x) -- (x)

thankss!

1 AnswerMathematics8 years ago### Cal 1 Limits Question: as x->0 ?

I don't understand how evaluate this! Please explain :)

lim x->0 (cot(5x)) / (cot(7x))

10 pts best answer

Thanks!!

1 AnswerMathematics8 years ago### Basic Stoichio with a missing element? Please help :(!?

a compound is composed of element X and hydrogen. Analysis shows the compound to be 80% X by mass with three times as many hydrogen atoms as X atoms per molecule. Which element is element X?

2 AnswersChemistry8 years ago### Cholesterol, HDL, and LDL in the liver?

Can someone please explain the secretion of cholesterol from the liver and out the small intestine? The terms in bullet point that come up are gallbladder, HDL, LDL, liver, small intestine and oat soluble fibers... I just dont get how they connect :/

Bio exam tomorrow, please help! :(

10 pts best answer

3 AnswersBiology8 years ago### Why does a table of values not prove a limit?

Why does the method of a table of values only provide a reasonable guess and not proof of the limit value?

thanks!!

2 AnswersMathematics8 years ago### Is this in iambic pentameter?

The sun comes up when I awake at dawn.

Thanks!

1 AnswerWords & Wordplay8 years ago### Absolute Value of "x" versus "x" ?

if I have the fourth root of x^4, why is the answer |x| and not just x?

10 pts for best explained answer

thank you!!

1 AnswerMathematics8 years ago### Food Chain Levels Question?!?

I'm asked two different questions and I don't know the difference.

1- give two reasons why it is better to eat from lower food levels of the food chain.

2- give two reasons why it is best to eat food items coming from the lowest trophic levels.

my two reasons were: more energy, and less bioaccumulation, but i don't get what's different for the second question

best answer 10pts

thanks!!

1 AnswerBiology8 years ago### What is the name of this function (grade 11)?

y=x^n

also what is the difference between that and the exponential function

y=c^x

3 AnswersMathematics8 years ago### Watch Olympics Gymnastics London 2012?

I missed the event and I want to watch it online

I'm interested in the womens uneven bars and the floor exercices especially. Sites like nbc or abc or ctv have clips but where can i find the full event? thanks!

5 AnswersOlympics8 years ago### Hooke's Law With an Inclined plane?

Suppose you have a helical spring attached to the top of an inclined plane and there was a mass on the spring. And they asked you to find the work done or the energy held in the spring. please explain how to do this :/

1 AnswerPhysics9 years ago### Name some things we believe in?

I don't mean like religion, but more along the lines of soul mates and things like this that we have no proof, but it's nice to think that they exist!

thanks!

5 AnswersPolls & Surveys9 years ago### Tension: Highschool physics?

I don't know how to do this :(

please explain!

An 8kg mass rests on the floor. A rope is attached to this mass and an upward tension of 50N is applied. What is the normal force applied by the floor?

10pts best answer

1 AnswerPhysics9 years ago