# Posts by Amber

Total # Posts: 1,681

physics
The magnitude of a vector is always : - a positive number - greater than 1 - an integer - none of the above.

PHYSICS HELP !
when telling someone how to get to your house from campus, you need to a) give your direction of travel b) give your distance they need to travel c)give both directions and distance d) not enough information

A ball bounces to 45 percent of its original height. What fraction of its mechanical energy is lost each time it bounces? What is the coefficient of restitution of the ball-floor system?

A ball bounces to 45 percent of its original height. What fraction of its mechanical energy is lost each time it bounces? What is the coefficient of restitution of the ball-floor system?

health
It's not c bc I got c wrong on my test

A small car of mass 985 kg is parked behind a small truck of mass 1551 kg on a level road. The brakes of both the car and the truck are off so that they are free to roll with negligible friction. A 83 kg woman sitting on the tailgate of the truck shoves the car away by ...

A 1.3 kg steel ball and 8 m cord of negligi-ble mass make up a simple pendulum that can pivot without friction about the point O. This pendulum is released from rest in a horizontal position and when the ball is at its lowest point it strikes a 1.3 kg block sitting at rest on ...

When a 0.35 kg baseball is hit, its velocitychanges from 21 m/s to -29.5 m/s. What is the magnitude of the impulse de-livered by the bat to the ball? Answer in units of N · s

can you explain it a little more cuz i really didn't understand anything!!!! thank you!

for the transition of an electron in a hydrogen atom between the principal quantum number levels 4 and 3, calculate a) the energy released b) the wavelength of the line in the spectra.

thank you!!!

algebra
In Chemistry class, Andrew has earned scores of 64, 69, and 73 on three tests. He must maintain an average of 70 to pass the course. What score must Andrew earn on the final exam to pass the course?

Physics
A 6 kg block moves at 5 m/s to the right while a 9.5 kg block moves at 8 m/s to the right. Find the total kinetic energy of the two-block system. Answer in units of J

Physics
Three balls with masses of 4 g, 6 g, and 4 g,respectively, are connected by massless rods. The balls are located (in meter intervals).What is the x-coordinate of the center of mass? Answer in units of m

Physics
if you had two ping pong balls (or golf balls, or tennis balls), both carrying the maximum possible positive electrical charge, and you also had insulating gloves that allowed you to pick them up without being shocked, would you be strong enough to make the charged balls touch...

Chemistry Help!!!!!!
i really need help with this right now!!!!

Chemistry Help!!!!!!
95.65 grams of barium hydroxide were dissolved in 2000ml of water. 88 grams of carbon dioxide were passed through the solution producing a white precipitate. what was this white precipitate and how many grams of it were produced. explain please!!!! i got so confused with this...

ALGEBRA
Perimeter of some traffic signs must be 74 inches.It's length is 11inches longer than it's width. What are the signs dimensions?

ALGEBRA
A non toxic floor wax can be made from lemon juice and linseed oil.The amount of oil should be 2 times the amount of lemon juice. How much of each ingredient is needed to make 30 ounces of floor wax?

ALGEBRA
A hardware supplier manufactures three kinds of clamps, types A, B, and C. Production restrictions force it to make 10 more type C clamps than the total of the other types and twice as many type B clamps as type A clamps. The shop must produce 250 clamps per day. How many of ...

ALGEBRA
The perimeter of a traffic sign must be 128 inches. It's length is 8 inches longer than the width. find the dimensions.

ALGEBRA
SOLVE IN LINEAR EQUATION? A university bookstore recently sold a wirebound graph paper notebook for \$1.08, and a college ruled notebook for \$3.12.At the start of the spring semester, a combination of 50 of these notebooks were sold for a total of \$88.68 .How much of each type ...

COLLEGE ALGEBRA
An investment of \$63,000 was made by a business club. The investment was split into three parts and lasted one year. The first part of the investment earned 8% interest, the second 6% and the third 9%. Total interest from the investments was \$4950. The interest from the ...

COLLEGE ALGEBRA
An investment of \$63,000 was made by a business club. The investment was split into three parts and lasted one year. The first part of the investment earned 8% interest, the second 6% and the third 9%. Total interest from the investments was \$4950. The interest from the ...

NCSU
A man of mass 83.5 kg walks down the aisle of an airplane at a speed of 1.60 m/s in the forward direction while the plane moves at a speed of 295 m/s relative to the earth. (a) Find the man's kinetic energy relative to the plane. (b) Find the man's kinetic energy ...

math
Quotient: 47 Divisor:64 Dividend is what?

college physics
THIS IS NO HELP ???

college physics
a 1.0 N-weight is hanging at rest as shown. In each case, write in the magnitude of the unknown force. a) chain with a weight of 2.5 N has a 1.0 N hanging weight b) chain with a weight of .5 N has a 1.0 N hanging weight c) stretched elastic band with negligible weight has a 1....

Physics
What minimum speed does a 100 g puck need to make it to the top of a 5.9 m-long, 29 degree frictionless ramp?

Physics
Pendulum A is 20 cm long and has a 5 g mass on it. Pendulum B is 30 cm long and has a 10 g mass on it. Which one has a faster period?

math
Write expressions for other five trigonometric ratios for each acute angle: a. csc(theta 0) = a/b b. sec(beta B) = x+1/x-1, x not equal 1

Chemistry
When 3.2 moles of Al react with excess HNO3 at STP, How many liters of H2 are formed

Biology Lab
HOw much Nacl (MW= 58.44g) would you need to ass to a solution if you wanted to make 100 ,mL of 4* 10 to the -3 M NaCl?

physics
Would the q be -1.6X10-19? If so then I know what to do from there.

physics
An electron at rest is found to have a force of 0.40 N to the left. What is the electric field (magnitude and direction) at the location of the electron?

Math
fabio said that there are 3 time as many people on a basetball team as on a tennis team is he correct explain why or why not

English
yes

English
Explain relationships between two or more seemingly unrelated things.

Math
If The cat is a little more than 1 foot tall what is a good estimate for the length of computer screen?

chemistry
to produce 4.00 mole if c6h12 from the following how many grams of c6h6 must you combine 78.12 g/mol c6h6 + 2.02 g/mol h2 = 84.18 g/mol c6h12

geometry
34

computers
Assume you have a computer that contains 2GB of memory. It contains four memory slots. Each slot can contain 128 MB, 256 MB, 512MB, 1 GB, or 2GB memory modules. Currently, each slot contains a 512MB memory module. What combinations of memory modules will satisfy your memory ...

STATISTICS
the percentage of adults who have at some point in their life been told that they have hypertension is 23.53%. If 8 adults are randomly selected, find the probability that between 2 and 4 of then inclusive have been told that they have hypertension

APUSH
apush blows am i rite ladiez

algebra
D is the set of whole numbers less than 3. (1 point) D = {0,1,2,3,4,5}; D = {x is a whole number, x < 3} D = {0,1}; D = {x | x < 3} D = {0,1,2}; D = {x | x is a whole number, x < 3} D = {0,1,2,3,4,5,6,7}; D = {x < 3}

information literacy
Which of the following sets of Library of Congress call numbers is in the correct order? A. P201 .A251 1977, PA 203 .B252 1971, PE205 .C253 1954, PH202 .H255 1965 B. PA 203 .B252 1971, P201 .A251 1977, PE205 .C253 1954, PH202 .H255 1965 C. PE205 .C253 1954, PH202 .H255 1965, ...

information literacy
Use one of the sources available in the Almanacs and Yearbooks section to identify the approximate time of sunrise in Anchorage, Alaska, on December 25, 2015. (Hint: Check the source's Astronomy section.) A. 8:10 A.M. B. 9:45 A.M. C. 11:30 A.M. D. 10:15 A.M. answer is c

information literacy
Identify the publisher and the number of pages for Ellison's 2002 edition of Invisible Man. A. Vintage International, 581 pp B. Gollancz, 439 pp C. Random House, Inc., 439 pp D. Modern Library, 290 pp Answer C

algebra
D is the set of whole numbers less than 3. (1 point) D = {0,1,2,3,4,5}; D = {x is a whole number, x < 3} D = {0,1}; D = {x | x < 3} D = {0,1,2}; D = {x | x is a whole number, x < 3} D = {0,1,2,3,4,5,6,7}; D = {x < 3}

Physics Distance and Displacement Question?
A passenger in the rear seat of a car moving at a steady speed is at rest relative to the side of the road. a pedestrian on the corner ahead. the front seat of the car. the wheels of the car. Thanks ^_^

Physics
a water wave has frequency 0.40 Hz and wavelength 2.0m. Its speed is

Physics
a water wave has frequency 0.40 Hz and wavelength 2.0m. Its speed is

Physics
a water wave has frequency 0.40 Hz and wavelength 2.0m. Its speed is

Living environment
c- the biosphere

Social Studies
Why Do You Think It Was Hard For Spain To Maintain It's Empire ? Explain.

History
Do You Think It Was Right Or Wrong For The United States To Declare War On Spain ? Explain.

Chem
what mass of KCl in grams is formed with 20 lbs of KClO3 is decomposed KCl03 yields KCl + O2

Chem
When 30.0 grams of aluminum reacts with HCl how many grams of aluminum chloride are formed? Al = HCl yields AlCl3 + H 2

Chem
Where is the 12g coming from?

Chem
calculate the mass in grams of carbon needed to produce 160 grams of CO2 burning. C + O2 -> CO2

Physics
What force would be needed to accelerate a 0.040-kg golf ball at 20.0 m/s^2??

physics
i need the answer not the equation???

physics

physics
A baseball player throws a ball. While the 700.0-g ball is in the pitchers hand, there os a force of 125N in it. What is the accerleration of the ball?

Extra Credit Projects
Create a scrapbook for english , it's very fun and exciting !

History
Why Do You Think It Was Hard For Spain To Maintain It's Empire ?

English
I have to do an essay and i have trouble answering some of the questions.Thnaks!I need help with the second question.(its anthropology) 1)whatare Different forms that marriages take in the world? Polygany, monogamy, polygny, polyondry,exogomy & exogomy. 2)What are some of the ...

SCIENCE-PLS HELP!

Chemistry
A rock contains 200. µmol 238U (t1/2 = 4.5 109 yr) and 116 µmol 206Pb. Assuming that all the 206Pb comes from decay of the 238U, estimate the rock's age. Please explain step by step.

English
what is a Ninus’ Tomb & Metaphor?

math
You aren't old Ms Sue you really taught 77 years :O

science
Name an example of each. - Liquid: - Gas: - Solid:

math
Its ok ms sue i figured it out! Im gonna ask a science question.

math
Journal 5 - Banking Directions: Examine the check register below and decide if the entry is a deposit or a withdrawal. Fill in the balance column for each transaction. Check Number Date Description of Transaction Withdrawal/Payment Deposit/Credit Balance \$3,500.00 10/1 ...

math
Can i show you a thing i need help with...

english
Can you tell me what a Begrudge is?

Math
Don't worry i just basically need example. Your Awsome!

Math
Thank you Ms. Sue i hope i can ask more questions :)

Math
what is a example of interest?

english
Thank you Ms Sue your awsome!!

english
Ok ty what is a thesis?

english
What is a Hook? for english...

english
Ok its a english Question..

english
can i get help on a Question?

Math
Are you ok Ms Sue?

Math
Journal 4- Long Term Debt Look at the long term debt below. Then choose the best plan for repayment of that debt. Explain why this decision is the best one for you. Use vocabulary terms from the lessons in week 4. Education Loan: Bank Options \$ % Interest Total Length of Loan ...

Math
I need help with a math question problem

English
First of all is this free?

lititure
This is due in a 1 hour D:

Literature
what do you mean?

lititure
Ty sorry im havin bad typos i hope you can help me :)

lititure
what are the cause and effect of these things in brave new world? In fiction, as in life, events have causes and, in turn, become causes of subsequent events. Here are some events from Brave New World. Write a sentence that describes a major cause of each event and another ...

Statistics
Olive-Oil producers have expanded to approximately 120 producers statewide. Analysts estimate the average price consumers pay for a bottle of olive oil is \$21, with a standard deviation of \$2.40. What is the probability that the average price paid by a random sample of 36 ...

Physics
A satellite made of aluminum with mass 3500 kg travels on circulated path in 100 km height over the earth. Because of airresistance of the airveil the satellite loses energy and falls in a spiral down to earth. a) What is the mechanical energy of the satellite in the beginning...

Physics
A cylinder shaped buoy is stationary out on a lake. The height of the buoy is 1 m and the diameter is 30 cm and it‘s mass is 50 kg. Now a whale swims under the buoy and hit it. The buoy raises up and begins to oscillate. a) Find the total force on the buoy if the ...

Physics
A weight with mass m lies on a surface with no friction. The weight is also connected to a spring with springconstant k and then the weight is driven with outer force F(t)=F0sin(Ωt). There is a friction in the spring and he‘s described with –bv(t). With a help ...

chemistry
(a) A person drinks four glasses of cold water (3.0°C) every day. The volume of each glass is 2.5x10^2 mL. How much heat (in kJ) does the body have to supply to raise the temperature of the water to 37°C, the body temperature? (b) How much heat would your body lose if ...

Physics
A beam has a mass M and length L. A point mass m is located in distance d from the end of the beam and the point mass and the beam lies on the same line.a)Calculate the gravitational force of the beam on the point mass.b)Calculate the gravitational force on m from point mass M...

Social studies
What is outsourcing ?

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