Wednesday

September 17, 2014

September 17, 2014

Total # Posts: 23

**dynamics**

a 2kg ball revolves in a horizontal circle as shown at a constant speed of 1.5m/s. Knowing that L=600mm, determine (a) the angle that the cord with the vertical (b) tension in the cord.
*November 20, 2013*

**math**

A package is at rest on a conveyor belt, which is initially at rest. The belt is started and moves to the right for 1.3 s with a constant acceleration of 2 m/s^2 . the belt then moves with a constant deceleration a2 and comes to a stop after a total displacement of 2.2 m. ...
*November 20, 2013*

**math**

The annual budget projection for a large manufacturing firm includes: Division A $24,345,500 Division B $13,927,750 Division C $752,000 Division D $695,800 Estimate the total budget in millions of dollars.
*October 12, 2013*

**Statistics**

A statistics student hands each of 300 classmates 2 cookies side by side on a plate. Of the 300 students, 171 choose the cookie that’s on their right hand side, and the remaining 129 choose the cookie that’s on their left. The student says, “That’s just ...
*August 1, 2013*

**Physics**

A man is standing on a cliff and throws a ball outward 50m/s at an angle of 53 degrees. It hits the base of the cliff in 10 seconds. Find: a) The height of the cliff b) the angle at which the ball goes into the sea c) if the ball will hit a boat 150m out to sea.
*March 12, 2013*

**Physics **

A ball is dropped from a height of 20m. When it bounces, it rebounds with a speed that is one half of the speed at which it hits the ground. How high does it bounce?
*March 12, 2013*

**5th grade math**

bill is replacing the grass in his yard with cement .the yard is 300m long and 100m wide. if cement is 15cents per cm how much would it cost?
*March 12, 2013*

**physics**

A hare and a tortoise compete in a race over a course 4.90 km long. The tortoise crawls straight and steadily at its maximum speed of 0.440 m/s toward the finish line. The hare runs at its maximum speed of 14.00 m/s toward the goal for 0.800 km and then stops to tease the ...
*September 9, 2012*

**science**

when a 424-g of iron powder is burned in an oxygen atmosphere, 0.606-g of a reddish brown oxide is obtained. Determine the empirical formula of the oxide.
*July 23, 2012*

**algebra 1**

simplify each expression. (-6c^2)(2c^2-3c)
*January 25, 2012*

**language arts**

Thank you. That's what I was thinking but didn't think it could be just that.
*November 29, 2010*

**language arts**

what it the complete ssubject in this sentence... Can you explain last night's homework to me?
*November 29, 2010*

**10th grade**

i dont know
*October 17, 2010*

**Health and diseases**

Does culture have a relationship to health service utilization? Why?
*October 8, 2010*

**Help please? Chemistry**

At a certain temperature and pressure, 0.20 mol of carbon dioxide has a volume of 3.1 L. A 3.1-L sample of hydrogen at the same temperature and pressure ____. I think it's supposed to be "contains the same number of molecules" but I'm not sure. And there'...
*May 27, 2009*

**Chem**

Thanks a ton :)
*May 27, 2009*

**Chem**

I ended up with 1/3 for specific heat.
*May 27, 2009*

**biology**

Captive born animals also often grow to depend on humans.
*May 27, 2009*

**Algebra 2**

How do I complete the square for this problem?? It's on translating conic sections. x^2-4x+y^2+2y=-1
*April 14, 2009*

**economics**

it's not L/20. it's supposed to be 20L. therefore, VMP=MPxMR. MP is the derivative of P=20x0.1Q so MP=20. VMP=20x(20-0.2Q) => 400-4Q => 400-4(20L) => 400-80L Then VMP has to equal wage. VMP=w => 400-80L=w => 400-w=80L => (400/80)-(w/400)=L L=5-0.0125w...
*April 1, 2009*

**Introduction to Healthcare**

Healthcare workers had a big part in determining quality care. They are there to oversee, treat, diagnosis, support and advice the care of patients. Unfortunately a lot of healthcare worker do not give quality care. To them, it is just a job with a monthly paycheck. Although ...
*July 20, 2008*

**Introduction to Healthcare**

Measuring the quality of care is essential to being able to identify which areas of patient care need improvement. A positive patient outcome is one measure of quality. What role do health care workers play in determining quality care?
*July 20, 2008*

**algebra**

If Olivia drove x km at 60 km/h and then twice as far at 80 km/h. In terms of x, how many hours did the trip take? Give the answer in simplest terms
*January 24, 2008*

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