05b_2-Clickers-Delta Functions

05b_2-Clickers-Delta Functions - Delta Functions 1 Given...

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1 Delta Functions
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2 τ 1/τ Given this little “impulse” f(t) (height 1/τ, duration τ), In the limit τ 0, what is f ( t ) dt ? -∞ ) 0 B) 1 C) ∞ D) Finite but not necessarily 1 E) ?? Challenge: Sketch f(t) in this limit.
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3 What is the value of x 2 δ ( x - 2) dx -∞ A) 0 B) 2 C) 4 D) E) Something different!
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4 What is the value of x 2 δ ( x ) dx -∞ A ) 0 B ) 1 C ) 2 D ) 4 E ) 5
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5 What is the value of ( x 2 + 1) δ ( x ) dx -∞ 2 A ) 0 B ) 1 C ) 2 D ) 4 E ) 5
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6 What is the value of x 2 δ ( x + 2) dx 0 A) 0 B) 2 C) 4 D) E) Something different!
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7 What is the value of
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This note was uploaded on 02/27/2012 for the course PHYSICS 2210 taught by Professor Stevepollock during the Spring '11 term at Colorado.

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05b_2-Clickers-Delta Functions - Delta Functions 1 Given...

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