Science & Mathematics - 5 September 2007

A basketball player runs down the court, following the path indicated by the vectors A, B, and C in Figure 3-38. The magnitudes of these three vectors are: A = 8.0 m, B = 17.0 m, and C = 7.0 m. Let the +x axis point to the right and the +y axis point to the far side of the court.

The arrow is pointing downward on the line to the left and it equals 8m. The arrow in the middle is pointing upward and it equals 17m. The arrow at the right is pointing down and to the right and it equals 7m.

l / l
l / l

Conect the lines and it almost looks like an s turned sideways. The angle of the slanted line is 45 degrees and the straight line to the right is 30 degrees.

2007-09-05 15:09:37 · 1 answers · asked by Anonymous in Physics

2007-09-05 15:05:30 · 2 answers · asked by Jess L 1 in Physics

We at most use 5% of the brain.
Is it not possible we have other abilities as well like mental telepathy..mind over mater...not just 6 senses but maybe a dozen.
but due to the way we have been educated we have shut this away and forgot how to use it.

2007-09-05 15:03:14 · 20 answers · asked by Anonymous in Parapsychology

2007-09-05 15:01:13 · 25 answers · asked by skankinpickle27 1 in Paranormal Phenomena

An inference is an interpretation based on prior knowledge and experience. An observation uses your senses.

2007-09-05 14:59:58 · 12 answers · asked by Anonymous in Other - Science

2007-09-05 14:57:34 · 8 answers · asked by AmyRose 3 in Earth Sciences & Geology

In addition, are boiling chips supposed to dissolve? And what could have caused it to dissolve? Will it affect the result?

2007-09-05 14:56:28 · 1 answers · asked by thisipromisey0u 1 in Chemistry

Will they? and how do they come up with these names?

2007-09-05 14:56:16 · 5 answers · asked by ? 2 in Weather

2007-09-05 14:51:05 · 3 answers · asked by Crazy Ray!!! 2 in Astronomy & Space

2007-09-05 14:50:38 · 26 answers · asked by Anonymous in Mathematics

I have read Einstein's and other's theories on the subject, but I was wondering if there was any recent studies conducted...I just wish it was possible.

2007-09-05 14:46:40 · 4 answers · asked by Wraychill 2 in Physics

2007-09-05 14:45:03 · 8 answers · asked by cool_rtj 1 in Mathematics

1. find the slope (if existing) of each of the following lines
a) 2x-2y=-3
b)y=2/3
c)x=-1
Also how do i draw y=-1/3x slope on a graph?

2. Given the line 2y=3x-6
a)find the y intercept
b)find the x intercept

2007-09-05 14:40:39 · 7 answers · asked by dreamz 4 in Mathematics

1.) (t^2 - 25) / (3t^2 - 16t + 5)
2.) (5t^2 +10t + 5) / (3t^2 + 6t + 3)
3.) (ab + a) / (a^2 -a)

2007-09-05 14:38:32 · 4 answers · asked by georgie0515 1 in Mathematics

Add the following three vectors together. Show the vector addition graphically. Calculate the magnitude and direction of the resultant vector.

A = 450m at 20 degrees, B = 25m at 270 degrees, C = 230m at 70 degrees

2007-09-05 14:30:12 · 1 answers · asked by junior_002 1 in Physics

We live in a spiral galaxy of about 300 billion stars
and is about 100,000 light years across.
what is the driving force behind the spiral galaxy's motion..?

2007-09-05 14:29:38 · 12 answers · asked by Anonymous in Astronomy & Space

Bees die when they sting us just to cause inflammation. Mosquitos inject malaria to its victim.
Is it a source of food for mosquitoes?

2007-09-05 14:28:49 · 6 answers · asked by wali0721 2 in Biology

I graduated with a degree in Art 6 years ago. Now I'm a dissatisfied Dental Lab Technician. I'm good at math and I like to play around with machines and wood and wires and anything I can get my hands on. I want to make alternative energy sources that people will actually use. That (to me) says R&D mechanical (not as into the chemical), but I don't know any engineers. What kind of engineering should I focus on? What kind of classes should I take at my local college to get into grad school? Are there good online schools so I can still live and work normally?

2007-09-05 14:28:12 · 6 answers · asked by Pixiedyke 1 in Engineering

truck

2007-09-05 14:26:03 · 3 answers · asked by coolguy 1 in Physics

2007-09-05 14:25:54 · 7 answers · asked by shdh 1 in Zoology

water, but they must clear rocky outcrops at water level taht extend out into the water about 5 m from the base of the cliff directly under their launchpoint. What minimum pushoff speed is necessary to do this? How long are they in the air?

2007-09-05 14:22:33 · 1 answers · asked by J L 2 in Physics

A force vector has a magnitude of 544 newtons (N) and points at an angle of 39.5° below the positive x axis.
What is the algebraic expression for the x scalar component Fx of the force vector? Express your answer in terms of the magnitude F of the force vector and the angle θ that specifies the direction below the positive x axis. Remember that scalar components can be positive or negative, depending on whether they point, respectively, along the positive or negative axis.

2007-09-05 14:22:19 · 1 answers · asked by Anonymous in Physics

In Science, we are doing graphs, and my teacher said that line of best fit can be wavy or straight depending on the graph. But I was taught last year in math that you draw a straight line to average the points out so each side is roughly equal. Now, she says it's not like connect the dots, but you want to touch through as many as you can. And some can be wavy...I'm lost. any help?

2007-09-05 14:22:11 · 4 answers · asked by Anonymous in Other - Science

What if millions of years ago an inteligent alien life form discovered Earth, but found it full of giant meat eating reptiles. Could these little green men deliberately have sent an asteroid to Earth to wipe out the giant reptilian menace, while at the same time save other harmless species in a "noah Ark" like space craft?
This is just a theory, and many things are posible, especialy in the theory of inteligent alien life forms.

2007-09-05 14:21:35 · 14 answers · asked by Anonymous in Astronomy & Space

2007-09-05 14:20:30 · 1 answers · asked by kristy 4 in Physics

wut number comes next....
256, 16, 4, 2......

2007-09-05 14:18:53 · 3 answers · asked by Anonymous in Mathematics

i believe that it is possible to reach an accurate conclusion without a hypothesis but that is me science question and i really need help i've been thinking about it for so long my brain hurts...please give good answers! pleaase!!!

2007-09-05 14:18:39 · 7 answers · asked by *~Simplymyself~* 3 in Other - Science

back to school. we get reviews. and i don't remember anything from last year. i know that it's an easy equation but please, HELP.

2007-09-05 14:17:29 · 4 answers · asked by tealimesky 2 in Mathematics

$1200 is put into savings that pays 8% interest compuonded quarterly. how much will be in savings after six years?

2007-09-05 14:16:09 · 2 answers · asked by xmissxtiffiex 1 in Mathematics

2007-09-05 14:16:09 · 1 answers · asked by Anonymous in Physics