Friday
April 18, 2014

Posts by Tim


Total # Posts: 905

physics
You let out a shout, echo comes back and reaches you in 1.4 seconds. if the speed of sound in air is 343 m/s, what is the distance to the cliff? a. need assitance in setting up problem? Let d be the distance to the cliff, and V be the speed of sound. The sound must travel a di...

physics
speed of blood flow is 30 cm/s near the heart, but only 20 cm/s at a point 40 cm farther along the arterial pathway. a. how do you find the velocity for that 40 cm distance? b. the time it takes the blood to flow 40 cm? a. The average velocity over the 40 cm distance is 25 cm/...

is it possible to read too much
ive been reading a ton of books, and now my speech is far more sophisticated than any of my friends. im only 14 years old, and the fact that i use some advanced vocab turns them off. so basically is it possible to read too much? i fear if i keep reading ill be too smart. i kno...

biology
how do you know whether something is living or not? like someone I think told me that viruses are not really living; but I'm not sure? (Broken Link Removed) http://mimi.essortment.com/characteristics_rbrc.htm (Broken Link Removed) http://en.wikipedia.org/wiki/Virus

net worth of a person
what is the average net worth of a 50-year old man with a college degree? what is the average net worth of a 50-year old man who dropped out of college or does not have a college degree? is it just me, or do people without college degrees become multimillionaires while people ...

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