Sunday

April 20, 2014

April 20, 2014

Total # Posts: 36

**Physics**

Thats wrong

**Geometry**

determine the radius of a circle if a 24 inch chord is 9 inches from the center

**geometry**

The diameter of clock's face is 6 inches. Find the length of the minor arc formed by the hands of the clock at 4:00.

**Chemistry**

that's amazing... thank you so much Dr Bob!

**Chemistry**

A researcher studying the nutritional value of a new candy places a 4.90 gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.75 Celsius. If the heat capacity of the calorimeter is 29.50 kJ K^-1, how many n...

**physics help**

help me with this question 2. A hydrogen electron drops from the n=4 level to the n=1 level. A. What is the energy of an emitted photon? B. Calculate the frequency of the photon. C. Calculate the wavelength of the photon.

**Algebra**

How do you factor out y=x^3-9x^2+9

**calculus**

Find any critical numbers of the function. (Enter your answers as a comma-separated list.) g(t) = 3t ln t

**math**

in 1991 the life expectancy of males in a certain country was 73.7 years in 1997 it was 76.9 years let E represent the life expectancy in year T and let T represent the number of years since 1991 the Linear function E (T) that fits the data is E(t)=_____T+______ use the functi...

**algebra**

solve by elimination method 3x+4y=4 6x+8y=8

**Mat 116**

Solve for m p=4m+4v the solution is m=

**chemistry**

Maybe you should actually do the experiment before trying to answer the questions?

**physics**

Thrown straight up?

**math**

Rate = Milk (pounds) / Cheese (pounds) Rate = 1000/100 = 10 Lbs Milk per lb of Cheese.

**More Frequency - Physics**

F = 381 +5.54 = 386.54 F = 381 - 5.54 = 375.46

**physics**

KE=(mv^2)/2 = (200*3^2)/2 = 900J

**11th grade**

Centripetal Acceleration = v^2/r = (circumference/time)^2/r = (2*pi*r/t)^2)/r = ((2*3.14*50/14.3)^2)/50 = 9.64 m/s^2

**physics**

None. F=ma. (Newton's 2nd law) Once a force is applied (gun is fired) it will travel at a constant velocity forever (unless acted on by an outside force. (Newton's 1st law).

**physics**

M1 = 910kg*6m/s = 5460kg-m/s M2 = 1440kg*17/s = 24480kg-m/s Mt = M1+M2 = 5460+24480 = 29940 kg-m/s Masstot = 910 + 1440 = 2350kg V = Mt/Masstot = 29940/2350 = 12.74 m/s

**11th grade**

The ratio of H to O (2 to 1) must stay the same if the only product is H2O, regardless of the amount of H2O produced.

**college**

The French colonized SE Asia. The communists tried to overthrow the French colonial governments. We were afraid of the "domino effect" where if one country fell to the commies, the rest would follow. We went into Vietnam to help the French after their defeat at Dien ...

**college**

The French colonized SE Asia. The communists tried to overthrow the French colonial governments. We were afraid of the "domino effect" where if one country fell to the commies, the rest would follow. We went into Vietnam to help the French after their defeat at Dien ...

**9th grade**

Work = Power * time Work = 478 Watts * 14 sec Work = 6692 Joules

**12th grade**

Alloy

**12th grade**

zero. Kinetic Energy is the energy of motion. Object not moving so KE=0.

**Finance**

Demand of Bonds Point Price of bond Interest rate (i) Demand A $925 (1000 - 925)/ 925 = 8.1% $100 billion B $800 (1000 - 800)/ 800 = 25% $400 billion Table 2: Supply of Bonds Point Price of bond Interest rate (i) Demand A $925 8.1% $400 billion B $800 25 % $100 billion Draw th...

**11th grade**

Newton's Second Law: F(or weight) = mass x acceleration. so, a = F/mass = 3.45/1.5 You do the math and don't forget the units!

**12th grade**

50 + 2 = 52 km/h

**english**

Google "Gantt Chart" and "Pert Chart"

**operations management**

A company requires 5,000 units of a product in a single year. It costs them $100 per order for expenses such as transportation and communication. If the product is carried in inventory, the carrying cost equals 1% of the price of the product for every month that a single unit ...

**science**

How are trees adapted to survive in an alpine ecosystem?

**science**

what is an adaptation

**science**

What is the name of the individual bones that make up your backbone?

**linguistics/society**

I just need three people to give their first thought definition of literacy. Please & thanks!

**cj 220**

Write a 700- to 1,050-word essay in APA format explaining the theory and reality of law as a “living body.” In your essay, include the following: o Law as a “living body” · Law on books versus laws in action · Objectivity of law · Law a...

**English**

i'm suppose to write an essay on the historical climate of a author i pick and it was lewis carroll, and i dont know what it means or where to get that info on it or what to write about it. please help! Historical climate is a description of the history of the time in whic...

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