Homework Help - December 2006

The wheel of a ferris wheel has a 20 m diameter and turns at 4 rpm. Its lowest point is 1.3 m above the ground. Assume that the height (h) is a sinusoidal function of time (t) where t=0 is the lowest point.

a) Write a equation for h.
Answer:
-Okay, so I went through my book and found the equation h=a*sin*w*t+k (I have absolutely no idea what a or w stand for though.)
-Then, I plugged in the numbers and got h=10*sin*4*t+11.3

Is that right? Do you have any idea how to find the equation or explain what I'm doing?

b) Find h at t=10sec.
Answer:
-I figure I would just plug in 10 for t, but how do I solve h=10*sin*40+11.3

Please help! I have pretty much no idea what I'm doing, and I need to understand it for a test. I posted as far as I got, and you don't have to give me the answer. Just tell me what I'm doing...please ?!?

2006-12-26 11:42:07 · 1 answers · asked by Nikita R 2

Math for the math it says :
The science class is creating insects that are larger than life. First they will study the ant. The queen ant that they have to observe is 1/2 in. long. The larger model they create will be 60 inches long. Mr. Windy wants to have a ladybug model created too. How big will the ladybug model be if the same scale factor is used?

2006-12-26 11:38:54 · 2 answers · asked by AshBash 2

i just need an answer, it is multiple choice, i tried the quotient rule but i didnt get a right answer, please when you answer have it in simplest form. That might be why i cannot find the answer, thank you

2006-12-26 11:34:01 · 3 answers · asked by dell10314 1

Did Abe Lincoln began to study law after serving in the in the legislature, when he was 40 years old.
true or False
Please help, someone
Thanks!!

2006-12-26 11:03:51 · 3 answers · asked by Anonymous

For school we have to get opinions from people in general, so please take sometime to answer the question in a few sentences. Best answer gets 10 points!!! Thanks guys!!!


Computers have become household items like cars, televisions and microwaves. Where do you think technology is going to take us 30, 40, or 50 years from now?

2006-12-26 10:37:06 · 3 answers · asked by Anonymous

anything associated with the titanicwould be good

2006-12-26 09:58:47 · 6 answers · asked by Anonymous

topic is "How to get A grades" and "How to get F grades "

2006-12-26 09:42:08 · 6 answers · asked by unnamed 1

After he got a scholarship to study one year in Italy and then he continued in USA either at the John Hopkins or Fletcher University diplomacy school

2006-12-26 08:37:47 · 3 answers · asked by spanides 1

I NEED HELP!! `Im doing a report on saber-tooths and i want to know what are its predators.Don`t just say``the predators must be bigger than it.``I need a specific animal etc.I know it is exinct..but im doing a report guys.If you give me a a specific animal..I`ll rate answer as BEST ANSWER!!And it must a correst animal.PLZZZZZ!!! I might get an F on my report.

2006-12-26 08:08:32 · 8 answers · asked by Anonymous

What is 20% of 30K? Post equation?

2006-12-26 08:08:01 · 7 answers · asked by Key Key 2

peoms?
Can you please read this poem:
http://www.bartleby.com/101/625.html...
Why will the youth never leave or trees be bare?
Why does the youth love forever and the maid be fair always?

2006-12-26 07:58:04 · 2 answers · asked by Anonymous

im pretty much failing and my teacher is a B**** and cant teach teach for the life of her. If anyone would be willing to help me i would appreciate it a lot.

2006-12-26 07:51:03 · 4 answers · asked by iluffheartsnsand 1

I need the answer for my report, please provide the correct answer! thank you =]

2006-12-26 07:45:15 · 3 answers · asked by Anonymous

2006-12-26 07:35:41 · 2 answers · asked by zebin d 4

2006-12-26 07:28:07 · 19 answers · asked by gavintyler05 1

Hey guys! I hope you all had a great Christmas :)

I need some help with my exam project, and I need at least ten people (from English speaking countries, not older than 30 ) to answer the following questions. Please and thank you!

Questions:

1. Name (optional, but preferred)
2. Age
3. Location (state would be enough)

A. Now you need to list all the words you use talking with/about the following people (in other words, I need you to state all the possible variants you call somebody. For example, you can call your brother "bro", "dude" or by name. i hope it makes sense)

The people are:

1. your friend
2. your boyfriend/girlfriend, beloved
3. a child
4. your boss
5. a stranger
6. your family members
7 any older person
8. your classmates/workmates.

B. Please name all the variants of the following names:

Anna
Alexander


Thanks a lot. You're saving my *** from failing !

2006-12-26 07:20:16 · 4 answers · asked by Annie T 1

2006-12-26 06:45:40 · 5 answers · asked by Anonymous

The title pretty much says it all.

2006-12-26 06:45:18 · 5 answers · asked by Tony 2

which political institution is most authoritative? is it parliament, government, political parties or local constituencies?

2006-12-26 06:08:39 · 4 answers · asked by rosa 1

2006-12-26 05:51:50 · 6 answers · asked by heartiagram 2

Like after they were killed, did their bodies lay there rotting, or did Morticians take their bodies away and out of the castles and houses.
Like in Hamlet, lots of people died in the palace like Polonius, Gertrude, Claudius, Osric, Laertes & even Hamlet himself.

2006-12-26 05:34:18 · 3 answers · asked by Cuddly Lez 6

I've been working for HOURS trying to find pics of these peace treaties, but no luck. Can someone please help me?

2006-12-26 05:08:14 · 5 answers · asked by Hikari 1

2006-12-26 04:50:01 · 8 answers · asked by miko m 1

2006-12-26 04:33:22 · 4 answers · asked by shruti m 1

i need a question to do some research about the sun. im in eighth grade. thanx a lot!!!

2006-12-26 03:41:57 · 6 answers · asked by Eee 1

2006-12-26 03:25:32 · 6 answers · asked by Anonymous

hey can anybody tell projects on probability or income tax of 8 to 10 pgs infor. or any other topic .........i too seached many sites bt nothing found so pls do tell if u know..........

2006-12-26 03:24:28 · 8 answers · asked by hotcool 1

2006-12-26 03:13:37 · 4 answers · asked by Drill Sgt 1

we never had that option when I was in school, we had to do it ourselves or ask mom and dad. I think it makes kids not use their own brains. what do you think?

2006-12-26 03:11:56 · 8 answers · asked by Olivia's Mama 7

How many different ways can 6 plants be placed on a shelf side by side?

2006-12-26 03:04:23 · 4 answers · asked by Yes No Maybe 3