Historical Context
Known as the "laughing philosopher," this man was the first to posit the existence of atoms
Democritus
F=ma
If F=48, and m=6, what does a equal?
a=4
V=IR
If I=0.75, and V=9, then what does R equal?
R=12
This is the system of units commonly used outside the United States
Metric (SI) System
What is the system of tracking unit conversions across calculations?
Dimensional Analysis
During the Renaissance, this man developed the Scientific Method
Sir Francis Bacon
PE=mgh
If PE=147, g=9.8, and h=5, what does m equal?
m=3
v=u+at
If u=10, v=25, and t=5, what does a equal?
a=3
How many significant figures are there in
4.003 x 1011
4
How many significant figures are there in
0.000 000 055 430
5
Building off of earlier work, this man used the notion of atomic to develop the idea of hedonism
Epicurus
PV=nRT
Rearrange this equation to solve for R
(PV)/(nT)
B=F/(qv)
Rearrange this equation to solve for q
q=(Bv)/F
Calculate the percent error if the measured value is 8.8 and the expected value is 8.0
10%
Convert 7.62 cm to in.
(2.54 cm = 1 in)
3 inches
The Greek word, "ἄτομος," translates to this in English
Indivisible
PE=1/2kx^2
If PE=64, and x=4, what does k equal?
k=8
n_1sinθ_1=n_2sinθ_2
If n1=2, n2=1, and θ1=30o, then what does θ2 equal?
θ2=90
or
θ2=π/2
Solve with the correct number of significant figures:
44.621-21.4
23.2
If the accepted value is 201.0 mL, then which set of values can be said to be more precise:
201.0, 202.1, 200.5
199.3, 198.8, 199.0
199.3, 198.8, 199.0
Known as the "weeping philosopher," this man was the first to discuss the Λόγος and argued the world consisted of patterns in flux
Heraclitus
KE=1/2mv^2
Rearrange this equation to solve for v
sqrt((2KE)/(mv))
W=Fdcosθ
Rearrange this equation to solve for θ
cos^-1(W/(Fd))
Solve with the correct number of significant figures:
33.5 x 30
1,000
Convert 108 km/h to m/s
30 m/s