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ページ1:

SI Uniform
AW
angular At
acc
radial
centripetal
Circular
Motion
constant
Speed
V₁ = 2r
T
Tangential angular
velocity
Ae
=
Constant
At
Ex. T= 10=/rev f= = = = =10
=0.14z
constant
Period CT) Time
-
for
1 revolution
frequency (f)- Number of revolutions per
5.2 ac
D
-1
a = sv
At
AV=V-u
=
AV
·V+ (-u).
AS
AV VAt
=
Av
At
Vat
r
ac
Similar triangles
SSS
SAS,
ratio of sides
is the same
AV
V for o
=
As
AS VA
r
for small
AS-VA+
5.3 FC
fc = mv² = m4rer
T²
second (Hz) rev
r
=2πr
T
ac = = [2 πr ] ²
ac = 41²r
T

ページ2:

Ex A ferris
an
whee
instantaneous
has
a diameter of 30m. The people inside have
velocity of 3 m/s
T= ?
d= 30 m.
r = 15m
V=3mls
15M
V=
V=
2Br
T
=
2-172-15
T
3.
37 = 2.16.15.
T= 2K15
3
=101
= 31.42s
Ex Determine
ac experienced by
SOMBOne
standing
on the equator
412 41 (6.4 x 10 bm).
T
= 0.034
(861645)2
m/s²
23h 56m 45 LC
9=9.8M/53
Ac=4172
T
Ex A swing takes 2s for 1 cycle. T. and f?
T=2s
f=0.5Ha
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