Questions Asked on
December 25, 2011

physics
In an arcade game a 0.142 kg disk is shot across a frictionless horizontal surface by compressing it against a spring and releasing it. If the spring has a spring constant of 174 N/m and is compressed from its equilibrium position by 8 cm, find the speed
asked by rm 
Calculus
Calculate the height of a cylinder of maximum volume that can be cut from a cone of height 20 cm and base radius 80 cm , please help me
asked by sara 
Physics
A bullet with a mass m = 4:83 g and initial speed of 330 m/s passes through a wheel which is initially at rest as in the The wheel is a solid disk with mass M = 2.29 kg and radius R = 1.:6 cm. The wheel rotates freely about an axis through its center and
asked by Lindsay 
physics highe school
Explain the different sections of the graph in as much detail as you can?
asked by Kindihun 
maths
a solid cube of side l floats on water with 20% of its volume under water. Cubes identical to it are piled one by one on it. Assumes that the cubes do not slip or topple and contact between their surfaces is perfect. How many cubes are required to submerge
asked by santosh 
English
Wild Nights  Wild Nights! Were I with thee Wild Nights should be Our luxury! Futile  the Winds  To a Heart in port  Done with the Compass  Done with the Chart! Rowing in Eden  Ah, the Sea! Might I but moor  Tonight In Thee! Which best
asked by Anonymous 
MAth
The sum of four consecutive integers is at least 114. Find the smallest possible values for these numbers. HOW YOU DO THIS?
asked by TRACY 
IGCSE Chemistry
Hydrocarbons A and B both contain 85.7 % carbon. Their molar masses are 42 and 84 respectively. a) Which elements does a hydrocarbon contain? b) Calculate the empirical formula of A and of B. c) Calculate the molecular formula of A and B. I solved a) and
asked by Amir 
statistics
2. Classify the following variable as nominal, ordinal, discrete, or continuous and state why it is such a variable: number of automobile accidents per year (Points : 3)
asked by vickie 
Calculus
Find the turning points of y = 3 x 3 + 6 x 2 + 3 x – 1 and determine their nature, also, find the equations of the tangents at these points. please help me
asked by Noor 
CalculusReiny
Calculus  Reiny, Friday, December 23, 2011 at 6:59pm I read that as (4a^21)/(4a^216) * (2a)/(2a1) , my brackets are necessary = (2a+1)(2a1)/( 4(a+2)(a2) * (2a)/(2a1) the (2a)/(a2) are opposite, they will give you the 1 so.. = (2a+1)/(4(a+2)) ,
asked by Untamed 
calculus
Evaluate the following integrals by using appropriate method : ∫cos ^3 ( 2x5 )dx help
asked by Jacob 
physics
a motor pumps water from a depth 0f 6meters. f it pumps 100kg of water in one minute with a velocity of 10m/s. calculate the work done
asked by afsal 
Environmental Club Recycling Project Letter
Dear Club Members of Environmental Club, We are going to be start a HUGE organization in order to help the environment. People around the world should realize that recycling is important. If we don't recycle animals won't have a home to leave in the woods
asked by Lauren 
Math
Use multiplication, division, addition and subtraction and at least one set of parentheses to write an expression that simplifies to 7, 13, or 17. Do your work step by step and explain each step as you simplify the expression. Demonstrate the consequences
asked by Mary 
math
if a & b are perpendicular vectors, show that a)(a+2b).(ab)=a^22b^2 b)(a+b).(ab)=a^2+b^2 *how to show it?just multiply it?if yes where doescome from? doesshow that it should be a value?
asked by Yuni 
Themes in American History
I am not sure how to set a time chart on this one (5) The evolution of the concept of "God given freedom of the individual" stemming from the Protestant Reformation and developing through the American Enlightenment and the Great Awakening, and culminating
asked by Michael 
calculus
find dy/dx when y = (5 sec^2 x7 ) ^3 (x^55 cosec x  1)^7 help
asked by Jacob 
ALGEBRA 1
ARE THESE ANSWERS RIGHT ? Express as a trinomial: (2x3)(x+7) IS THE ASNWER 2x^2 + 11x  21 WHAT IS THE VALUE OF 2 times 5^2 IS THE ANSWER 2/25 DIVIDE: x/x^249 divide by 5x^3/x^2 + 9x + 14 IS THE ANSWER x+2/5x^2(x7)
asked by Lisa 
Math
THe population of Anytown in 1960 was 1,576,230. In 1990 the population was 892,560. Find the percent change. AM REALLY CONFUSED PLEASE HElp
asked by RAY 
English
1. I lied that you were a fine gardener. 2. I lied him that you were a fine gardener. (Are both grammatical?) 3. I lied and told him that you were a fine gardener. (Did the two actions happen at the same time in this sentence?) 4. Lying, I told him that he
asked by rfvv 
maths
If the base side of a triangle is (x+4) and the height is (x+1), what is x? Please demonstrate how you reached the answer. Thanks.
asked by Jbean 
social studies
whats the history of christmas?PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
asked by please help me sir 
calculus
The value of c for which f(x) = x + c/x has a local minimum at x= 3 is (a) 9 (b)  6 (c) 3 (d) 6 (e) 9
asked by H 
Family law
In Jackson v. Jackson, the court approaches the issue of changing: (Points: 5) alimony. child support. child visitation. child custody. is it D
asked by Andy 
English
Could you please check these two statements, please? 1) At midday I went to my motherinlaw's (house) and I had lunch there. We had seven different kinds of starters. 2) The ones I liked most were breaded artichokes and watercress with cherry tomatoes and
asked by Henry2 
MERRY CHRISTMAS!!! :)
MERRY CHRISTMAS EVERYONE!!!!! :)
asked by Laruen 
MATH
for which value of X will the fraction 7/2x6 be undefined ? and check this IF three times a number decreased by 5, the result is 7. find the number. 3x5=7 and x=4 is this right?
asked by CHRIS