Sunday

April 20, 2014

April 20, 2014

Total # Posts: 30

**physics**

A certain centrifuge produces a centripetal acceleration of magnitude exactly 1090g at a point 12.3 cm from the axis of rotation. Find the number of revolutions per second.

**biomechanics**

Suggest how a snail and a large dog develop linear momentum.

**biomechanics**

By actual measurement it has been shown that a sprinter pushes 1700N on each foot at the starting blocks . The right at 34o and the left at 52o Calculate the vertical component for each foot.

**physics**

A Softball is Thrown at an angle of 45 degrees with the horizontal. It leaves the hand 2m above the ground. Its Initial Velocity is 20 m/s . Neglecting all external resistance, how far would it travel ? The point at which it hits the ground is at the same level as the ground a...

**biomechanics**

why the initial velocity u divided 20/√2. i cant understand. can u explain it ..

**biomechanics**

A Softball is Thrown at an angle of 45 degrees with the horizontal. It leaves the hand 2m above the ground. Its Initial Velocity is 20 m/s . Neglecting all external resistance, how far would it travel ? The point at which it hits the ground is at the same level as the ground a...

**Java programming**

can you show me where is the wrong for this program..because it contains error..i dont know where is it wrong..help..tq.:) import java.util.Scanner; public class BMR { public static void main(String[] args, int x) { Scanner keyboard = new Scanner(System.in); int pound, inch,ag...

**information technology help**

no.i hope can anyone give an idea about my question... the weakness of the application microsoft power point

**information technology help**

no.i hope can anyone give an idea about my question... the weakness of the application microsoft power point

**information technology help**

give the weakness of microsoft power point with solution. 5 point

**calculus ..>steve**

Given a function f(x)2/3x^3+5/2x^2-3x. a) Find i. The inflection point. ii. The y-intercept and x-intercept. b) Sketch the graph of f(x). i have already try it..but i dont understand.. which graph that is true.. the first or second ? and how to calculate the x,y intercept,and...

**calculus**

Q4. Given a function f(x)2/3x^3+5/2x^2-3x. a) Find i. The inflection point. ii. The y-intercept and x-intercept. b) Sketch the graph of f(x).

**calculus**

. Sony Ent. is marketing a new smartphone. It determines that in order to sell x smartphones, the price per product must be It also determine that the total cost of producing x smartphones is given by a. Find the total revenue, R(x). b. Find the total profit, P(x). c. How many...

**chemistry**

I am really stuck and would need some help..is there anyone out there in cyberworld that can help me ...pleeeeeeaaaaaassssseeeee

**chemistry**

DrBob222! I am so happy that you took a look at this question, I was hoping when posting that YOU would help me out...honestly. Well I know its a long question and to be honest I kinda need help with all of it...I have got the first part semi figured out but would still need t...

**chemistry**

Subject – equilibria Pure ethanoic acid (25.0cm3, CH3COOH), pure ethanol (35.0 cm3, C2H5OH) and pure water (20.0cm3, H2O) were mixed in a sealed flask at room temperature. The flask was placed in a heated water bath and maintained at 323K until equilibrium was established...

**Chemistry**

Is this: (CH3COOK) = 0.0255mols/0.0355L = ? approximately 0.7 M wrong? moles/volume=concentration right? which would make this = 0.7183 moldm3 and then to get the pH...-log(0.7183)?

**algebra**

1. The formula V=lwh is used to find the volume of rectangular prisms. Which equation solves for w? a. w=V-l-h b. w=Vlh c. w=lh/V D. w=V/lh 2. Mr. Marsupial invested $8,000, part at 6% interest and the reamainder at 8% interest. At the end of the first year he received &600 i ...

**algebra**

1. Rodney can pick 2 rows of string beans in 1 hour and 24 minutes. At this rate, how long will it take him to pick 7 rows of beans? 2. The formula for finding the perimeter of a rectangle is P=21+2w. Which equation solves for w in terms of l and P?

**Physics**

A 14000 kg railroad car travels alone on a level frictionless track with a constant speed of 24.0 m/s. A 6500 kg additional load is dropped onto the car. What then will be the car's speed?

**Math**

@Reiny: It is 6/v -1= 6/(v+3) I made a mistake there. @bobpursley: From the 6/v-1 I made it one fraction 6/v -1/1 --> (6 -(1*v))/v

**Math**

I need help with this problem: 6/v-1=6/(v-3) I tried working it out like this: >>>6/v-1=6/(v-3) >>>(6-v)/v= 6/(v-3) I cross multiplied to get: >>>3v+18-v^2= 6v >>> -3v+18-v^2=0 ^Here's where I became stuck. I would appreciate it if you w...

**Math**

Thank you so much for the help ^^

**Math**

Can anyone help me with this question? 2/(-1+x)+1/(x-2)=2/(1-x) Thanks =]

**Manageral Economics (Economyst Only Please)**

a. Discuss the statistical significance of the parameter estimates a, b, c, and d, using the p-values. Are the signs of b, c and d consistent with the theory of demand? The p-value associated with b is consistent with the theory of demand - if the prices rise, the quantity sol...

**geometry**

lol me too..DAMN these submissions are hard as hell !!!..i think they should eventually eliminate math from school anyways cuz everyone hates it

**10th grade Algebra**

Factoring....

**10th grade Algebra**

6ab^2-(q-r)^2

**10th grade Algebra**

8h^2-4h

**chemistry**

WHAT IS THE MASS OF 0.200 mol of C9H8O4?

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