chap 11 Flashcards

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1
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3
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the blue circle

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8
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9
Q
A

C

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10
Q

formula to remember

A

Ep = 1/2F(change in L) = 1/2k(change in L)^2

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11
Q

if it shows two springs on the diagram but only mentions it as singular how should you treat it

A

one spring

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12
Q

what does stiffness =

A

spring constant

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13
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14
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15
Q

when it says estimate

A

just use the first glance diff of the formulas and how the diff answers would come out

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16
Q

unit for Power

A

W

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18
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19
Q
A

It’s got to do with proportionality

20
Q

(card in progress, skip card) E vs A to stop extension, and if you want to calculate by how much then

A

E, you use 1/2 and multiply the extension of wire that you calculated

21
Q

tip

A

don’t get Nm^-1 confused with ms^-1

22
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23
Q

volume of a sphere

A

4/3pier^3