Tuesday, March 6, 2012

test

What should I know for the test?

Basics of SI units - what do the units mean, etc.

How to use the formulas (which will be given):
v = d/t
a = (vf - vi)/t
vf = vi + at
d = 0.5(vi + vf) t
d = vi t + 0.5at^2
F = ma
W = mg
F = G m1 m2 / d^2
g = G M / d^2
a^3 = T^2

the meaning of velocity, acceleration
gravitational acceleration, g
center of gravity
universal gravitation
Newton's laws
Kepler's laws
basic science history (Copernicus, Kepler, Newton)
epicycles and retrograde motion
speed of light (meaning, etc.)
inverse square law
weightlessness


Expect a test that is multiple-choice, with somewhere in the neighborhood of 20% numerical problems - a calculator is permitted but not really needed.

Also expect that there will be 40-50 questions, though more are possible. You will have the entire class to finish the test.

If you've attended class, reviewed the notes, understood the demonstrations and worked the problems, you should be fine.

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