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physics problems
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teach me delta epsilon proof and example
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2+2=3
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do a force problem and draw it
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do a force problem and draw
Tutor
Delta Epsilon Limit Proof
L + ε
L
L − ε
c − δ
c
c + δ
f(x)
lim (2x + 1) = 5 as x -> 2
0 < |x − c| < δ => |f(x) − L| < ε
|(2x + 1) − 5| < ε
|2x − 4| = 2|x − 2| < ε
|x − 2| < ε / 2 => δ = ε / 2
Tutor
2 + 2 = 4
Tutor
Block on an Incline
30°
N
f
mg
m = 10 kg, θ = 30°
F_net = mg sin(θ) − f = ma
F_parallel = mg sin(30°)
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