Tuesday
December 6, 2016

Posts by christina

Total # Posts: 917

physics
A light rope is attached to a block with a mass of 6 kg that rests on a horizontal, frictionless surface. THe horizontal rope passes over a frictionless, massless pulley, and a block of mass m is suspended from the other end. When the blocks are released, the tension in the ...
November 16, 2006

Music
Do orchestral musician learn each work just before it is performed and have only a little amount of time to practice? I believe that this is not true. Is this right? Not true.
November 7, 2006

math
the 2-digit # that is divisible by both the sum and the product of its digits. i got 24 and 30, but would 30 count? in other words, is it ok that 30 is divisible by 0, the product of its digits? 30 isn't divisible by zero. Any number divided by zero is indeterminate so we ...
October 25, 2006

math
one of four #s where n! has n digits.
October 25, 2006

math
the largest integer that is not the sum of 2 or more different primes.
October 25, 2006

math
a # that is neither prime nor the sum of two distinct primes. are you doing that month of math thing?
October 25, 2006

math
one of two numbers that can be both the area and perimeter of a triangle whose side lengths are a Pythagorean triple.
October 25, 2006

math
the number of furlongs in a league. apparantly there are 8 furlongs in a mile, i learned this just today on my ride home form school. I hope this helps. go to www.google.com and type in 1 furlong to league and hit search. The answer will pop up at you. thanks again for your ...
October 25, 2006

math
the smallest non-palidronic number whose square is a palindrome.
October 25, 2006

math
the maximum number of pieces into which a pizza can be cut by making 6 cuts. Answer is from 1-31. The formula calculating the maximum pieces cut from a circle is: c*(c+1)/2 + 1, where c is the number of cuts. See math,hws,edu/~mitchell/Math135F05/Day18,pdf dots instead of ...
October 25, 2006

math
the smallest number of people in a room where the probability of two of them having the same birthday is at least 50 percent. Answer is between 1 and 31. This is a classic problem given in probability classes. There are plenty of sites which will give and explain the answer, ...
October 25, 2006

math
the radius of a circle when the numeric values of the circumference and area are equal. circumference = 2*pi*r area = pi*r^2 Set them equal and solve for r. thanks! i understand it now! 2*3.14*r=3.14*r^2 6.28*r=3.14*r^2 r=3.14 Is that right? It doesn't seem to be. 2*3.14*r...
October 25, 2006

Chemisrty
Yes. An elements number of neutrons and electrons can change, but its number of protons will not vary. Therefore, the atoms of the same element do have the same number of protons.
October 23, 2006

English
Which wife is more virtuous to her husband Desdemona or Emilia in the play Othello? Please use examples from the play to describe each womans interaction with her husband and each woman's reaction to her husband. I think you will be able to find the answer at either of ...
October 21, 2006

sciecne
An airplane is being floen at 1500km/h at 100m above level ground. The ground began to rise up at 10 degrees. How much time does the pilot have to madke correction such that the plane doesn't hit the ground? the part where the ground is rised to 10 degrees confuses me. You...
September 19, 2006

Science
A particle has a velocity of 18m/s at a certain time and 2.4s later is velocity is 30m/s in the opposite direction. What are the magnitude and direction of the particle's acceleration during the 2.4s interval? I udes a=change in velocity /change in time and I got -20m/s^2 ...
September 19, 2006

Stoichiometry problem
I can't figure out what to do after this problem : what mass of SO2 is produced from the reaction between 31.5 g of S8 and 8.65g of O2? I have figured out the balanced equation but do I pick one of the givens and solve it straight out?
September 9, 2006

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