physics
two metra trains are on separate but parallel tracks. One has a speed of 90 km/hr, the other 80 km/hr. Initially, the two trains are 2.71 km apart. How long will it take the two trains to pass each other?
math
what is a translation over a vertical line?
trig
Find the general solution for x if cos2x + sin3x = sinx
Chemistry
What must be the molarity of an acetic acid solution if it has the same percent ionization as 0.150M HC3H5O2 propionic acid,Ka=1.3*10^-5 )?
math
x2+20x+100=64
Physics
how high above pool level
Physics
President Obama has set up a slide for his young children so they( and he) can slide into the pool behind the White House. The White House staff puts the bottom of the slide ( Which is flat for 2m) at the rim of the window sill which is 10m above the ground. Given that the poo...
Physics
In 35s, Samsonite lifts his 8kg case from the floor to .8m above the ground (in his arms), carries it 24m across the room ( at the same height), and puts it on a conveyor belt 1.8m above the floor. At this point, the machine raises the bag 13 more meters in a mere 2s. Compare ...
math
Five years ago, you bought a house for $171,000. You had a down payment of $35,000, which meant you took out a loan for $136,000. Your interest rate was $5.6% fixed. You would like to pay more on your loan. You check your bank statement and find the following information. Escr...
trig
in a circle of radius 26, find the length of the arc spanned by a central angle of pi/4 radians. round your answer to 2 decimal places. use 3.1416 as an approx for pi.
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