aira
Most popular questions and responses by aira
chemistry
Light travels at 3.00 x 10^8 m/s. If the starlight from the Unicorn galaxy takes 1 year 47 days and 2 hours to reach us. How far away is it in kilometers?
asked on May 13, 2014 
chemistry
Answer the following math questions focusing on significant figures a. 45.3L x 10 mol/L = b. 67.894 g ÷ 2.56 L = c. 45.3m + 12.344m + 1000m – 1.34m = d. 35cm + 8.3m + 75.341 km + 80,000 mm = e. (43.7m + 39.3cm) ÷ 25.332 m/s =
asked on May 11, 2014 
numerical methods
Consider a spherical storage tank containing oil. The tank has a diameter of 8 ft. You are asked to calculate the height h to which a dipstick 10 ft long would be wet with oil when immersed in the tank when it contains 6 3 ft of oil. The equation that
asked on April 23, 2015 
chemistry
1. 35cm + 8.3m + 75.341 km + 80,000 mm = ____________ 2.(43.7m + 39.3cm) ÷ 25.332 m/s = _____________ * focus on significant figures
asked on May 13, 2014 
calculus
find the volume of solid inside the paraboloid z=9x^2y^2, outside the cylinder x^2+y^2=4 and above the xyplane 1) solve using double integration of rectangular coordinate. 2) solve using double integration of polar coordinate 3)solve using triple
asked on May 10, 2014 
calculus
find the volume of solid inside the paraboloid z=9x^2y^2, outside the cylinder x^2+y^2=4 and above the xyplane
asked on May 10, 2014 
math
a trapezoid has an area of 36 meters squared and altitude of 2 meters. its two bases in meters have ratio of 4:5 the bases are ___.
asked on November 22, 2015 
chemistry
45.3 m + 12.344 m + 1000m  1.34 m = ________________________ is 1 056.304 m the answer?
asked on May 13, 2014 
MATH
Region A that on xyplane is bounded by two (2) curves and a line. The curves are y=x^32x+3 and y=x^2+3 while the line is x=0. It is located in the first quadrant of xyplane. Determine the area of region A.
asked on April 7, 2011 
geometric problemmath
in triangle ABC,side AB IS 2cm. shorter than side AC, while side BC is 1cm. if the perimeter is 62 find the lenght of three sides? i need the answer tomorrow pls... help me
asked on July 2, 2011 
science
if the same 1.0 kg book is lifted to 0.5 meters above the table, but the table top is 1.0 meters above the floor,, what would be the potential energy of the book if the reference level were the floor??
asked on July 26, 2017 
physics
find the acceleration of a bicycle slowing fron 3m/s to a stop in 5 seconds?
asked on January 2, 2016 
fluid
Air enters a converging nozzle at 3.5 m/s at 1.2 kg/m3. The inlet area is 5 cm2. If the outlet area is 1.7 cm2 and velocity of 7.5 m/s, determine the volume flow rate and air density at the nozzle outlet.
asked on November 2, 2014 
chemistry
how many significant figures do the following numbers have? a. 1.2056 x 10^4 m: b. 1 x 10^89 km: c. 12,000 L: d. 0.000345 cm: e. 1.00036 mL: f. 0.2056000 m:
asked on May 11, 2014 
CALCULUS
two birds are flying along in 3space. At time t, the first bird is at the point (x,y,z) on the line
asked on April 27, 2014 
computer programming
1. Scanf 5 names of you and your friends 2. Printf hi to all of them. 3. Ask all of them for their ages. 4. Printf the information in tables as shown below. Name age StudName1 19 StudName2 20 StudName3 18 StudName4 34 StudName5 12 5. Use selection
asked on June 4, 2014 
math
b is the midpoint of segment AC & its coordinate is 10. if segment BC=12, what are the coordinates of A and C?
asked on September 13, 2011 
dynamics
example of every types of motion *translation *rotation *general plane motion
asked on September 8, 2014 
chemistry
convert : 1. 25.25 cm to Tm: 2. 1 zm to Zm: 3. 25 m3 to cL: 4. 1.23 x 10^4 L to m3: 5. 1000 cm3 to L: 6. 8,000,000 km to nm:
asked on May 13, 2014 
CALCULUS
Determine the intervals for which the curve r(t)=4sin^3(t)i + 7cos^3(t)j is smooth on [0,2pai]
asked on April 27, 2014

Math
Draw the circle and then draw the fraction that is given e.g. 1/4 you have to draw the quarter first and then color 1/4 of it, then you know from the leftovers you draw the other fraction that was given and there u have the answer
posted on September 9, 2016 
numerical methods
then the initial value for h, what?
posted on April 26, 2015 
chemistry
is # 2.(43.7m + 39.3cm) ÷ 25.332 m/s = _____________ 1.741 seconds then?
posted on May 13, 2014 
chemistry
I GOT IT. thank you so much !! best tutor out here
posted on May 13, 2014 
chemistry
yeah, but I'm very confused on how to get the final answer. Do i take 1.07e+16 and multiply it by a thousand to get km?
posted on May 13, 2014 
chemistry
so it will look like this : distance in meters (1.06)*(1 kilometer/1,000m) = distance in kilometers > 0.00106 is the final answer?
posted on May 13, 2014 
chemistry
I multiply 35,604,000 by 3.00 x 10^8 to find out the distance in meters? which gives me 1.06812e+16?? is that right?
posted on May 13, 2014 
chemistry
9,890 hours total*(60 min/1 hour)*(60 sec/1 min)= total time in seconds is 35,604, 000 right?
posted on May 13, 2014 
calculus
it's ok.. thank you..
posted on May 10, 2014 
calculus
ohhh i see... so my answer just now is wrong??
posted on May 10, 2014 
calculus
Why not this kind of answer? The cylinder intersects the paraboloid at z=5. The volume inside the paraboloid is v = ∫[0,2π] ∫[0,2] ∫[0,9r^2] r dz dr dθ = ∫[0,2π] ∫[0,2] r(9r^2) dr dθ = ∫[0,2π] 14 dθ = 28π
posted on May 10, 2014