Tuesday
July 29, 2014

Posts by Kit


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.

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. know...

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.

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 lik...

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.

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?

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?

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 tort...

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.

algebra 1
simplify each expression. (-6c^2)(2c^2-3c)

language arts
Thank you. That's what I was thinking but didn't think it could be just that.

language arts
what it the complete ssubject in this sentence... Can you explain last night's homework to me?

10th grade
i dont know

Health and diseases
Does culture have a relationship to health service utilization? Why?

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'...

Chem
Thanks a ton :)

Chem
I ended up with 1/3 for specific heat.

biology
Captive born animals also often grow to depend on humans.

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

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...

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 t...

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?

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

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