1
Q
A
2
Q
A
3
Q
the blue circle
A
4
Q
A
5
Q
A
6
Q
A
7
Q
A
8
Q
A
9
Q
A
C
10
Q
formula to remember
A
Ep = 1/2F(change in L) = 1/2k(change in L)^2
11
Q
if it shows two springs on the diagram but only mentions it as singular how should you treat it
A
one spring
12
Q
what does stiffness =
A
spring constant
13
Q
A
14
Q
A
15
Q
when it says estimate
A
just use the first glance diff of the formulas and how the diff answers would come out
16
Q
unit for Power
A
W
17
Q
A
18
Q
A
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
Q
A
23
Q
volume of a sphere
A
4/3pier^3
Physics
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