Φυσική Β Λυκείου 2ο Φυλλάδιο
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Transcript of Φυσική Β Λυκείου 2ο Φυλλάδιο
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, 2 - pi : . , MSc
http://www.perifysikhs.com
pi - . pi- . pi pi .
1
pi pi pi . , .. pi pi (T ) (f) .
() pi pi pi- pi pi . t pi , pi pi:
T =t
N(1)
pi 1 s.
(f ) pi pi - pi t, pi t. :
f =N
t(2)
1 Hz 1 s1
1
-
, 2
pi , pi - :
f =1
T(3)
pipi pipi pi , pi pi -.
2
pi . , pi pi . pi , cd pi. . pi .
1:
m pi t s pi pi .
. 2 http://www.perifysikhs.com
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, 2
~ , , pi pi s pi t.
=s
t(4)
pi pi . 1m/s. pi - , pi.
~ , pi pipi pi pi pi t.
2:
=
t(5)
~ . 1rad/s.
. 3 http://www.perifysikhs.com
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, 2
pi 1 (1rad) pi pi pi
pi pi S pi = s
R. pipi pi
:
=s
R s = R = s
t= R
t = R (6)
pipi - pi pi . pi , , pi pi -.
pi
- , pi, pi
3:
. 4 http://www.perifysikhs.com
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, 2
pi :
=2
R= 2 R (7)
pi pi - . pi .
pi , .
pi pi , pi pipi :
=s
t=s 0t 0 s = t (8)
=
t= 0t 0 = t (9)
.
( )- pi
pi (t = T ) pi pi pi, pi - pi (s = 2piR) pi = 2pi. pi :
=2pi
T =
2piR
T(10)
pi pi pi - pipi :
= 2pif = 2piRf (11)
. 5 http://www.perifysikhs.com
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, 2
. pi , . pi . 2 :
F = m F = m = m 2
R F = m
2
R(12)
pipi . , pipi pi F pi pi
4: F
pi pi pi . pi pi pi . Coulomb pi .
. 6 http://www.perifysikhs.com
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, 2
3 *
, pi R. pi dt d~ d~ .
( pi) pi
, pi.
pi ~ - t , pi .
=d
dt(13)
pi pi - , pi , - . pi 1m/s2.
pi ~ pi ~ pi ~ = ~+~ . pi =
2 +
2
pi
pi ~ - t , pi .
=d
dt(14)
. 7 http://www.perifysikhs.com
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, 2
pi d~. pi 1rad/s2. pi1rad/s2 - 1rad/s 1s.
pi
= R pi :
d = R d ddt
= Rd
dt = R
pi pi pi , .
pi pi pi, pi :
=
t= 0t 0
pi pipi pipi :
= 0 + t (15)
pi () - (t) pi pi:
pi pi = t pi pi
t = 0 t pi pi pi pi . pi :
= 0t+1
2t
2 (16)
. 8 http://www.perifysikhs.com
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, 2
pipi pi (