13. 13
36.0
1.50
24 cm/s
24.0 cm/s
24.00 cm/s
2.4 101
cm/s
100 4.34
2.0
100
. , .4 30 4 40_ A
. , .4 40 4 50_ A
. , .4 50 4 60_ A
. , .4 60 5 0_ A
T1 T2
1
cos
1 sin
1
+
sin
14. 14
2 10 N
8 N F 2 kg
4 kg
2 kg
2 kg
X
X < 0 X
X < 0 X
X < 0 X
X < 0 X
4 +2
9.8 2
.y t t2 4 4 9
2
= - -
.y t t2 4 4 9
2
= - +
.y t t2 4 4 9
2
= + -
2 4 4.9y t t
2
= + +
2 1
16. 16
Energy
50 kg 10 m
1 m
220 4,400
5,000 5,500
200 0.1
4
0.08
78.5
86.3
4 200 100
g 10= 2
,6 12_ A
,12 18_ A
,18 24_ A
,24 50_ A
17. 17
Momentum
1 kg +0.5 m/s 2 kg 1 N/m
1 kg + 0.2 m/s
2 kg
1 kg
3 5
200 5
. , .0 0 2 0_ A
. , .2 0 4 0_ A
. , .4 0 6 0_ A
. , .6 0 8 0_ A
18. 18
17
u x
sinx 2
u
2cosx u
x u
x u2
20 30c 2
g 10= 2
. , .20 0 20 4_ A
. , .20 4 20 6_ A
. , .20 6 20 8_ A
. , .20 8 21 0_ A
19. 19
Simple Harmonic
m L T t = 0 0
T
4
1
4 m1
, m2
, m3
m4
m2
= 2m1
, m4
= 3m2
, m1
= 0.5m3
l1
= 2l3
, l4
= l2
, l3
= 3l4
T1
, T2
, T3
, T4
T T T T> >1 3 2 4=
T T T T> >2 4 3 1=
T T T T> >1 2 4 3=
T T T T1 2 3 4= = =
L
T G
T
L
G
L2
GT
L4
2
2 3
L
T
L
G
2
GT L
4
2
2 3
30 cm 0.5 kg 0.5
0.1 kg
0.35
0.42
0.48
0.60
27. 27
2
1 2
20 3
10
30
10
30
15 10
25 cm -4.00 400
0.25 m
4
1 =
10.0 cm 12.5 cm
15.0 cm 22.5 cm
2 f 1 x = 0
2 x = d d < f
f
2f - d
( )
d
d
f f d
-
-
( )
d
f d
f f d
2
+
-
-
28. 28
3 , ,R R R1 2 3 R R R> >1 2 3
(V) (E) Q
V V V E E E Q Q Q< < > >1 2 3 1 2 3 1 2 3= =
V V V E E E Q Q Q> > > >1 2 3 1 2 3 1 2 3= =
V V V E E E Q Q Q< < < <1 2 3 1 2 3 1 2 3= =
V V V E E E Q Q Q1 2 3 1 2 3 1 2 3= = = = = =
32. 32
Slit Grating
sinS P S P d n1 2; ; 慮 了- = =
d <
L d10.
650 nm 2,000
3
14
15
17
5 I0 2 P
X
0.88 3.02
3.54 6.04
33. 33
Photoelectric
55. 7.5 x 1014
Hz 2.28 eV
1. 0.814
2. 2.28
3. 2.67
4. 5.37
56.
1. 1 2
3. 3 4
57. ( ) (h)
(c) (d)
1.
d
hc
2=
2. c
hd
2
=
3. hc
d
4
=
4.
d
hc
4=
58.
2
2
= mp
, = mn
1. m m m2 2<He p n+
2. m m m2 2He p n+=
3. m m m2 2>He p n+
4. 2 2m m m m2He p n e+ += me