Wednesday
April 16, 2014

Posts by Angela


Total # Posts: 1,213

College Physics
Thank you! You answer is correct. My calculator is giving me 0.00345. I am not sure why. Do you think that it could be a setting that I need to change?

College Physics
Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular velocity has a radius of 1.1x10-8m, and a tangential speed at the rim of 2.0x10-5 m/s. (a) What is the angular speed (the magnitude of the angular veloci...

math
my answer is 18 what is yours

math
if 6 balls is 2/3s of aet how many in the whole set?

Collision in One Dimension
vf = (m1 v1i + m2 v2i) / (m1 + m2) = (57*2.2+77*4.5)/(57+77) =3.5 m/s

Collision in One Dimension
After skiding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.2 m/s. Miranda runs after her at a velocity of +4.5 m/s and hops on the inner tube. How fast do the two of them slide across the snow together on t...

Conservation if Linear Momentum
Figured it out! (V impact)^2/(2*g) V impact = (F ground*t)/m =6.07 m

Conservation if Linear Momentum
A student (m = 66 kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.04 s. The average force exerted on him by the ground is +18000 N, where the upward direction is taken to be the positive direction. From w...

math
what is the lowest common denominator of 2/32 plus 4/28

College Physic I
A student (m = 66 kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.04 s. The average force exerted on him by the ground is +18000 N, where the upward direction is taken to be the positive direction. From w...

College Physic I
Thank you so much!

College Physic I
A space probe is traveling in outer space with a momentum that has a magnitude of 4.99 x 107 kg·m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.87 x 106 N and a direction opposite to the probe's motion. I...

physics
a hot air balloon is hovering at an altitude of 6000 meters. The pilot decides that it is time to descend and turns off the balloon's burners.Once the balloon reaches the ground, the gas inside the balloon occupies 980 m cubed and is at atmospheric pressure. If the pressu...

physics
a hydraulic jack is used to move an 8896 newton car. if the area of the output piston is 8 times that of the input piston, how much input force is required to lift the car. i did Pi * 8 them multiplied that answer * 8896 then divided that answer times 8896. i dont think that i...

College: HCA/220 Week 3 DQ 2
i need help getting real fusteriated

Chemistry
I am having trouble too: If the heat from burning 6.000 g of C6H6 2C6H6(l) + 15O2(g) -> 12CO2(g) + 6H2O(l) + 6542 kJ is added to 5691 g of water at 21 °C, what is the final temperature of the water? Please tell me what I am doing wrong: 293,551= 5691*4.2*(Tf-21C) 293551...

Chemistry
Thank you so much!!! That helped me too!

english
This sentence keep showing up as a error in it. Could you please find the mistake and fix it for me. To obtain a position as an Administrative Assistant which I can use my knowledge and experiences toward the growth of this company.

math
A corporation borrowed $124,000 cash by signing a 5-year, 10% installment note requiring equal annual payments each December 31 of $32,711. What journal entry would the issuer record for the first payment?

physics
a dog escapes from his front yard a 3:15pm and is discovered 3.5 miles from home at 4:50pm. What is the dog's average speed in mph. how do you solve this i am lost

Maths
A farmer wishes to plant 6 trees in 4 rows so that each row contains 3 trees. How can this be done?

Managerial Accounting
Greetings, I just started my accounting class and I do not have any accounting experience of knowledge (my first acct class). Could you please help me out. I just need the traditional and ABC direct, indirect, and unallocated cost answer for the two accounting systems. You hav...

Math
As many as three instructors are hired for a martial arts class each week. 4:1 student-to-instructor ratio is considered ideal. Find the maximum number of students at each of these classes.

physics
how do you calculate acceleration if the values are the same at t=2 seconds and t= 4 seconds.

physics
if a cart is released from rest and it takes 28 seconds to travel down a 10 meter incline what would be the average speed of the cart

history
one distinction you couldn't overlook when critically evaluating the information provided about the boston tea party

chemistry
A certain substance has a heat vaporization of 47.97 kJ/mol. At what Kelvin temperature will the vapor pressure be 7.50 times higher than it was at 297K? Please help me! I don't understand heat vaporization questions

physics
I CAN'T GET THE RIGHT ANSWER :( A 0.230 kg block on a vertical spring with spring constant of 4.25 multiplied by 103 N/m is pushed downward, compressing the spring 0.048 m. When released, the block leaves the spring and travels upward vertically. How high does it rise abov...

algebra
Find the domain of the function g(x)=3/10-7x

algebra
-9-12(2-3y)= -25-2(y+6)

algebra
write the slope intercept euation for the line with slope -1/2 and y intercept (0,3) and graph the line.

algebra
write the slope intercept equation for the line that passes through (-5,10)and (-4,3)

ALGEBRA
what is -9y-12(2-3y)= -25-2(y+6)

Chemistry-help
0.5g of Solid A is dissolved in 1L solvent to give a concentration of concentration 0.5g/L. UV absorbance spectrum was collected. How to calculate the absorptivity on the dried basis?

ALGEBRA
determine if (-1/3,3) is a solution to 3x+8y=23

math/117
FOIL (8x^8-9)(x^9-5)

Math
Multiply (b+1/3)(b+1/5)

math/117
Which one is the answer? 3 or 2.54?

math/117
Jack usually mowes his lawn in 7 hours. Marilyn can mow the same yard in 4 hours. How musch time would it take for them to mow the lawn together?

algebra
write the equation for this situation the population, p, in thousands,can be approximated by the sum of 4 and one-half times the years since 1985,d. Then graph the equation and use the graph to determine the population in the town in 1995.

algebra
37.051 is 55.3% of what number.

algebra
Is x=6 a solution to -2x-4=-8 I think that it is yes.

marketing
Explain the importance of an organized new-product development process and illustrate how it might be used for (a) a new hair care product, (b) a new children’s toy, and (c) a new subscribers-only cable television channel.

English- Due Soon
Please check for any errors and correct them. Thank You. The word Divorce can make a lot of people feel hurt, angry, and depressed. But for others, it can mean the end to a bad or abusive marriage. Many people do not like to talk about it, but it can put a huge strain on kids&...

algebra
what is the volume of a sphere with radius r is given by the formula v=4/3 r^3 Find the volume of sphere with radius 4 meters. use 3.14 for the value of x and round your answer to the nearest tenth.

Chemistry
What is the molecular geometry (shape) if you have 3 single bonds and 1 lone pair around the central atom?

English- Due @ 8
Ok Sra were those the only errors that you founded?

English- Due @ 8
Please chech for any errors and let me know if I need to change please correct it for me. Obesity is one of the major causes of health problems in the United States. According to Charles Schmidt, obesity is starting to catch up with smoking, which is causing illness and death ...

algebra
Minute hand of a clock is 10 inches long. how far does the tip of the minute hand move in 15 seconds? I got that=5 pi BUT What speed is it moving in miles/hr???? algebra - PsyDAG, Sunday, November 13, 2011 at 1:38am Assuming it does move 5 pi, convert 5 * 3.1416 = 15.7 inches ...

algebra
Minute hand of a clock is 10 inches long. how far does the tip of the minute hand move in 15 seconds? I got that=5 pi BUT What speed is it moving in miles/hr????

MATH
2x -4y = 8 find the real number for x and y

Psy
Professor Klinger says that all of your ideas come from interaction with the environment rather than anything that you were born with. The professor is advocating a theoretical perspective based on a(n)___ view. A) tabula rasa b) contemporary c) moral d) ecological

ALGEBRA
9/16-(-3/16) SUBTRACT SHOW ALL OF YOUR WORK SIMPLIFY tHIS IS WHAT I GOT. 9/16+3/16=12/16=3/4 IS WHT I got.

ALGEBRA
SIMPLIFY 0.1/O i GOT 0 FOR THE ANSWER BECAUSE ANY NEMBER DIVIDED BY 0 IS UNDEFINED IS THAT CORRECT.

ALGEBRA
STATE THE RECIPROCAL. -1/10 MY ANSWER IS -10 I need to know if I am on the right track.

ALGEBRA
write the expression using exponents m*m

algebra
write the wxpression using exponents. m*m

algebra
add -90+17

algebra
simplify (-19)^2

algebra
simplify 0.1/0

algebra
c-(c^2)-7 for c=-6

algebra
3b-(-12-b)

algebra
simplify 5+5^2(23)-(-27)

ALGEBRA
-1/10 state the reciprocal.

ALGEBRA
-8/9*27 multiply. show all of your work.

ALGEBRA
9/16-(-3/16) subtract show all of your work. simplify

English Help Please Due at 8am
Please proofread for any errors. If you see any please correct them. Thank you. Obesity is one of the major causes of health problems in the United States. Research has been done about this topic for many years. It is more common in the United States because of all the differe...

algebra
Evaluate 5x-3y x=3 and y=4 ----- 7

MATH
HOW DO I COME UP WITH THE REAL NUMBERS FOR X-2Y=200 THE REAL NUMBERS FOR X AND Y

MATH
X-4=300 HOW DO I FIND THE REAL NUMBER FOR X

algebra
-1/2*3/5*(-2/7)

algebra
COMBINE LIKE TERMS 14-(-5x)+ 2z-(-32)+4z-2x

algebra
perform the indicated operation and if possible,simplify please show all of your work. write your answer in lowest terms. 18/35 divided by 22/25

algebra
write a true sentence using either < or> -7.82 -7.802

algebra
TRASLATE THE FOLLOWING SENTENCE INTO AN EQUATION. dO NOT SOLVE TEN MORE THAN THREE TIMES A NUMBER IS 130.

ENGLISH
Ok I made the changes and also added some info. If you would please check it for errors I would appreciate it. Obesity is one of the major causes of health problems in the United States. Research has been done about this topic for many years. It is more common in the United St...

ENGLISH
Please check for any errors. If you would correct them i would appreciate it. Obesity is one of the major causes of health problems in the United States. Research has been done about this topic for many years. It is more common in the United States because of all the differen...

ALGEBRA
use the associative law of addition to write an equivalent expression (r+st)+ 8

algebra
Write a true sentence using either < or> -7.82 -7.802

algebra
EVALUATE 5x-3y ________ for x=3 and y=4 7

algebra
x+10+3x=130

algebra
TRANSLATE THE FOLLOWING SENTENCE INTO AN EQUATION DO NOT SOLVE. tHIS IS WHAT I GOT Ten more than three times a number is 130.

algebra
use the associative law of addition to write an equilalent expression (r+st)+8

algebra
perform the indicated operation 7/5 * 8/3

math
how do you find the coordinate of x in the problem x-4y=100 in other words how do i find out what x is and 4y what do the y stand for how do i get it

algebra
order from least to greatest. -1/4, -2/3, 7, -8, 9

AP Government
I found that it ensures the members electoral advantage, and...?

AP Government
Who assigns bills the the committees? Why is this an important power to have and how can this person use this influence?

math
Carlos had a 10% off coupon and spent it on a computer game that was marked down 30%. What was the total discount?

Business Math
Please answer these problem for me.Thanks so much. 1. Border's Bookstore ordered 800 art books. On verifying the order, only 160 books were actually received. The percent of the order missing was: 2. The net price equivalent rate of 9/15/18 is: 3. If the net price of a sto...

Math
Please answer these problem for me.Thanks so much. 1. Border's Bookstore ordered 800 art books. On verifying the order, only 160 books were actually received. The percent of the order missing was: 2. The net price equivalent rate of 9/15/18 is: 3. If the net price of a sto...

Physics
A boy has a mass of 45 kg and is running with a velocity of 8 m/s. Find the boy's kinetic energy.

English-Please Help Due @ 8a.m.
Can you please check for any errors. And corrent the errors for me. It is due tomorrow morning. Also, let me know if you think this is a descriptive essay. If you think i need to add something else let me know. My Dear Mother She is only about five feet tall and weight no more...

English
ok one question. There you have awkward sentence, how could i use it but make it sound better to fit in the paragraph.

English
Can you please check for any errors. And corrent the errors for me. It is due tomorrow morning. Also, let me know if you think this is a descriptive essay. If you think i need to add something else let me know. My Dear Mother She is only about five feet tall and weight no more...

Statistics
sara is a healthy baby who was exclusively breast-fed for her first 12 months. what is more likely a description of her weights (at 3, 6, 9, and 12 months of age) as percentiles.

ap government
what are two ways that amendments to the constitution can be proposed?

physics
Any object that moves through the air (or space) under the influence of gravity is...?

physics
a cannonball is fired with initial speed v0 at an angle 30 degrees above the horizontal from a height of 40m above the ground. the projetile strikes the ground with a speed of 1.2v0. find v0.

physics
A cat is being chased by a dog. Both are running in a straight line at constant speeds. The cat has a head start of 3.3 m. The dog is running with a speed of 9.0 m/s and catches the cat after 6.7 s. How fast did the cat run? I see that the velocity and time are given, so does ...

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