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(-第二版)-习题解答-张三慧-清华大学出版社

  • Page 1 and 2:

    ( )

  • Page 3 and 4:

    1 ( 1) 1 ( 1) 2 ( 19) 3 ( 42) 4

  • Page 5 and 6:

    1 11( 118) 1920 021 / a ( [ ]

  • Page 7 and 8:

    s2 = v2 2 0 2a = 18 2 275 = 217 m s

  • Page 9 and 10:

    t 1 = 184 s, t 1 = 122 s t u = v 1

  • Page 11 and 12:

    a = du dt = 8j t = 1s , r 1 = 2i -

  • Page 13 and 14:

    y = x tan - cos 2 = ( 1 + tan 2

  • Page 15 and 16:

    = - 422 m 422m 115 610 4 r/ min

  • Page 17 and 18:

    16 121 a = a 2 n + a 2 t = 025 2 +

  • Page 19 and 20:

    05s 15m a = 12m/ s 2 , t 0 = 05s

  • Page 21 and 22:

    30 127 A v A = 1000km/ h ( ) ,

  • Page 23 and 24:

    2 21F M ( 21) F , k

  • Page 25 and 26:

    ( 2) T 1 T 2 ( 1) , a1 a2 a3,

  • Page 27 and 28:

    ( 2) T = 11T = 11Mg / 2, 2T a =

  • Page 29 and 30:

    ( 2) 27 T = mA gsin - kA m Ag cos

  • Page 31 and 32:

    k= k1+ k 2 ( 1) , F , x

  • Page 33 and 34:

    ( 1) 213 , , x : N sin + f cos = m

  • Page 35 and 36:

    M= 4 2 R 3 = GT 2 G Mm R 2 = m 4 2

  • Page 37 and 38:

    T m in= 3 G = 3 = 6910 3 66710 - 11

  • Page 39 and 40:

    , , , , G Mm r 2 + m 2 =

  • Page 41 and 42:

    a n 2/ g = 4 2 2 r 2/ g = 4 2 5104

  • Page 43 and 44:

    v = 2a l = 2( a - kg ) l = = 29 m

  • Page 45 and 46:

    , 50m, 0062kg/ m 3 , 40m

  • Page 47 and 48:

    = 2 00520 = 141 N ¡¤s 33 m = 014k

  • Page 49 and 50:

    , 424 10 4 N , 90 36

  • Page 51 and 52:

    p 2= 53310 - 2 1 k gm / s p 3 ,

  • Page 53 and 54:

    312v 0 , , 45 , 45 ,

  • Page 55 and 56:

    316, , , ? v f u , vf-

  • Page 57 and 58:

    v= 210m / s, dm 1 dM = 75kg/ s, = -

  • Page 59 and 60:

    BO = m2 m1 A O = / 16 1 - / 16 AO

  • Page 61 and 62:

    , r 2 = r 1v1 v 2 mr 1v1 = mr 2v

  • Page 63 and 64:

    , , m , mr 0v0 = mrv v = v 0 3

  • Page 65 and 66:

    4 41 ( 41) ( ) M= 1 200k g, m=

  • Page 67 and 68:

    A g= - mg sinRd = mg R( cos - 1)

  • Page 69 and 70:

    , F A = - F s dt = - qv 2 2 4

  • Page 71 and 72:

    A A B = B F ¡¤dr B = F ¡¤( dr

  • Page 73 and 74:

    E p 1= 1 2 k ( y + y 0) 2 - 1 2 ky

  • Page 75 and 76:

    = 1 05 [ 89( 0882 - 055 2 ) - 20598

  • Page 77 and 78:

    B , B A , x m V A B , mv

  • Page 79 and 80:

    v 10 , v1 v 2 m 1= m2 , v1 0= v

  • Page 81 and 82:

    , M M+ m E k m M , V= mv m+ M v m

  • Page 83 and 84:

    415423 ( 1 ) ( ) E s

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    ( 1) 100km ( 2)

  • Page 87 and 88:

    = 1610 2 4 J ( 10 18 J) 10 6 427

  • Page 89 and 90:

    3 , 200 , ? T M 3

  • Page 91 and 92:

    E a vE k E av= M N E k m+ M N E

  • Page 93 and 94:

    5 51 125 , v = 25m/ sR = 10m

  • Page 95 and 96:

    v = a = 5154 2 Rcos = 86400 6370

  • Page 97 and 98:

    J B B = 2mH d 2 cos 2 2 , d = J A

  • Page 99 and 100:

    J 1 J 2 , a , J 1= 1 2 m 1

  • Page 101 and 102:

    512 59 R 1 R2, M 1 M 2 , ,

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    = 1 2 mr 2 2 = 1 2 J 2 515 ,

  • Page 105 and 106:

    v = 2m 1g h - kh 2 m 1 + m/ 2 = 200

  • Page 107 and 108:

    m = 80g v = 200m/ s , d = 3L/ 4 (

  • Page 109 and 110:

    ? 70kg, 310 5 kgm 2 ( 3) 30 ,

  • Page 111 and 112:

    = 41810 10 s = 1300 a 525 033MR 2 ,

  • Page 113 and 114:

    M = 515527 dL dt = 17910 2 2 N ¡

  • Page 115 and 116:

    6 61 S , l , x , S x x = x

  • Page 117 and 118:

    65 S , 2sS 3s S S , x 1 = x 2,

  • Page 119 and 120:

    , 6268 c30 = 910 9 m ( 2) , , l

  • Page 121 and 122:

    63610 ( 1) S t 2 = t 1 + t 12 =

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    095c ( 2) ( 5s ) 1, 2, ,

  • Page 125 and 126:

    t t x = vdt = 0 0 F t/ m 0 [ 1 +

  • Page 127 and 128:

    B = F ev F ec = 1210 - 11 1610 - 19

  • Page 129 and 130:

    ( 4) 3910 26 ( 62010 14 ) = 62910

  • Page 131 and 132:

    = m 0c 2 1 - 1 125 2 = 167m 0c 2 62

  • Page 133 and 134:

    2 1 11 , 66510 3 Pa ?

  • Page 135 and 136:

    km / 10 2 Pa / ( kg/ m 3 ) 20 5. 51

  • Page 137 and 138:

    ? ( 1) p 1 = CVm 1 V m 1 p 1V m1

  • Page 139 and 140:

    750mmH g , 590mmH g 290g/ mol p

  • Page 141 and 142:

    p p 0 ( 2) 0 , ln 1- ( 116) dp p =

  • Page 143 and 144:

    1g E m, O 2 = 2 RT = 5 2 831300 =

  • Page 145 and 146:

    f ( v) = a v/ v 0( 0 v v0) f ( v) =

  • Page 147 and 148:

    N N 2 = = 4 ( 10 vp) 2 3 e - ( 10

  • Page 149 and 150:

    CO 2 H 2 ?CO 2 H 2 ( , 96% CO 2 )

  • Page 151 and 152:

    vr ms , a m = 3RT M am v rm s, pr

  • Page 153 and 154:

    RT ln 0 N A = 4 3 a 3 ( - ( 2)

  • Page 155 and 156:

    = RT c = , a = V m, c 3 8a 9V m ,

  • Page 157 and 158:

    u = 2 v 222 3810 - = kT 2 d 2

  • Page 159 and 160:

    226 60km/ h, , 500m/ s 110 - ??

  • Page 161 and 162:

    x 2 = x 1 gla s s ai r = 1 072 =

  • Page 163 and 164:

    ( 3) VT 32 32 31 ( 3) 321mol V 1

  • Page 165 and 166:

    300K, ? Q = C p , m T = m M 2QM T

  • Page 167 and 168:

    = 3831429ln 40 20 A= = 74110 3 J =

  • Page 169 and 170:

    p = p 0 1 - Mg h Cp , mT 0 / ( -

  • Page 171 and 172:

    E 1 + p 1V1 = E 2 + p 2V2 E + p V

  • Page 173 and 174:

    = Cp , m CV , m = T 1 - T 0 T 2 - T

  • Page 175 and 176:

    p B( 004 - V B) = 4210 2 B , p B

  • Page 177 and 178:

    d a Q 2 = CV , m ( T d - T a ) = 1

  • Page 179 and 180:

    1 2 : = 1 + ( 1 - 1) 2

  • Page 181 and 182:

    ? 310 326 ( 2) ,

  • Page 183 and 184:

    , ) 12 34 Q 1 = RT 1ln V 1 V 2 Q

  • Page 185 and 186:

    4 4. 11mol ( ) 4. 1 a b c 4141

  • Page 187 and 188:

    = m c1ln T 2 T 1 + + c2ln T 3 + L

  • Page 189 and 190:

    ( 2) 1kg , 0, 50 , 100 ( ) ,

  • Page 191 and 192:

    = T 2 T 1 Cp , mdT T + T 3 T 2 CV ,

  • Page 193 and 194:

    S T = Q Rln T 1= V2 V1 = p 1V 1 ln

  • Page 195 and 196:

    ( p 1 + p 2) 2 > 4p 1p 2, S > 0

  • Page 197 and 198:

    T dS = CV , mdT + = CV , mdT + a dV

  • Page 199 and 200:

    3 1 11 a , q,

  • Page 201 and 202:

    2 3 e , d 1 3 e , ( 1010 - 15 m

  • Page 203 and 204:

    E r = E rcos i + E rsin j = 2p r c

  • Page 205 and 206:

    , , E = d = 4 0r 2 qd 4 0r 2

  • Page 207 and 208:

    = e = 0E e = 88510- 12 120 1. 610

  • Page 209 and 210:

    19120 d > D / 2 , qint = DS , E =

  • Page 211 and 212:

    = 34610 11 V/ m 124, , : = b , b=

  • Page 213 and 214:

    = 92e = 4 3 r 3 0 E = - 1 9 921.

  • Page 215 and 216:

    e = - E x , a a 2 + E x , 2a a 2 =

  • Page 217 and 218:

    ( 3) q0 x = r y , x F = dF = dy

  • Page 219 and 220:

    2 21 , 2cm, 20cm, 10cm,

  • Page 221 and 222:

    = 1010 12 V / m 24 : v a

  • Page 223 and 224:

    , ( 2) ? ( 1) q 1 q2 1 = 2 = 1

  • Page 225 and 226:

    U 12 = R 2 R 1 E dr = R 2 R 1 dr 2

  • Page 227 and 228:

    ( 1) r , dr x d= 2 r dr 4 0 r

  • Page 229 and 230:

    32 314 32 x = q 4 0 1 R 2 + x -

  • Page 231 and 232:

    q1 q2 x , x x y x , , x

  • Page 233 and 234:

    x 2 dy - 2x ydx - dy - y 2 d - x

  • Page 235 and 236:

    321 36 , , 1 = 1210 - 4 C/ m

  • Page 237 and 238:

    323 ( 1) , ? ( 2) , m 0 E

  • Page 239 and 240:

    e m e R ?R ?( R , 10 - 18 m ) ,

  • Page 241 and 242:

    , E p= - Gm m A u r 2 mi n = 66710

  • Page 243 and 244:

    W = - mee 4 1 2( 4 0) 2 h 2 2 ( 3)

  • Page 245 and 246:

    1 = , 1 4 0 q1 R 1 - q1 R 2 + Q +

  • Page 247 and 248:

    4542 , , , 13 10 - 5 C/ m 2 ?

  • Page 249 and 250:

    f = f S = 2 / ( 2 0) , f , en

  • Page 251 and 252:

    410 q h q , 2h q - q , A =

  • Page 253 and 254:

    10 6 V 414 R, q 46 ,

  • Page 255 and 256:

    R 1: D = 0 r > R 1: D = Q 4 r 2 E =

  • Page 257 and 258:

    U m ax = E ma xr 0 ln R 2 2 2 R1r 0

  • Page 259 and 260:

    = 8. 8510 - 1 2 5010 - 6 0. 60010 -

  • Page 261 and 262:

    C = 7. 0810 - 10 F ( B ) , 57( b)

  • Page 263 and 264:

    , 12 F U , 2 F U/ 4, 12 F 3U/ 4

  • Page 265 and 266:

    , C2 = C1( U 1 - U 2) U 2 C1U 1

  • Page 267 and 268:

    W C = 1 2 Q 2 C = 1 2 Q 2 ln ( R 2/

  • Page 269 and 270:

    dWC = 1 2 U 2 dC dA E = dWC + F dx

  • Page 271 and 272:

    C = 3 0S y 0ln4 ( 2) , 1 = P 1= -

  • Page 273 and 274:

    6 61 240m 8mA , ? N 1

  • Page 275 and 276:

    66 , ( 61) 5m , AB ,

  • Page 277 and 278:

    , , I 1 = 3 4 A , I 2 = 2 3 A 636

  • Page 279 and 280:

    U 0 , = Q t / ( R C) e- RC R

  • Page 281 and 282:

    7 71 0. 5g, 2510 - 8 C 6010

  • Page 283 and 284:

    R = mv eB = 9. 110 - 31 8. 410 7 1.

  • Page 285 and 286:

    73710 ( 1) l m = qBB l 2E ( 2) 1

  • Page 287 and 288:

    75712 I B ( 2) = U A A qa = 1. 010

  • Page 289 and 290:

    v = E H B = qvB = qE H U H dB = 0.

  • Page 291 and 292:

    N I l 1l 2= N I S = m , B ,

  • Page 293 and 294:

    7. 210. 92810 - 2 3 J/ T , R, e

  • Page 295 and 296:

    E = - vB 7. 24S x , , , v 0

  • Page 297 and 298:

    z a , E = 2 0a k = F = E e =

  • Page 299 and 300:

    B = 0I 3 4 a / ( 2 3 ) ( cos30 - c

  • Page 301 and 302:

    = 2B ¡¤dS = 2 r 1 + r 2 r 1 0I 2

  • Page 303 and 304:

    0. 05m r 0. 07m, B = 10 - 3 / r T 0

  • Page 305 and 306:

    86( b ) , P , r d, dB 1= dB2=

  • Page 307 and 308:

    , 0, ( b) , B ¡¤dr

  • Page 309 and 310:

    ( R 1 R2, h, ) , N , I , ? 810813

  • Page 311 and 312:

    , J , d 812816 J J

  • Page 313 and 314:

    B= 0 q 2 R r ( r < R) , dr dB

  • Page 315 and 316:

    B l= Br= 0j 2 , B0 816 B

  • Page 317 and 318:

    F = 0I 2 2 ln a + r r L = 5. 0

  • Page 319 and 320:

    T d , dF m = dF T r = T / ( BI ) (

  • Page 321 and 322:

    821 , , Rq R q : = 2 ( 1 -

  • Page 323 and 324:

    F m = ev 1B2 = ev 1 = e 2 v 2 4 0c

  • Page 325 and 326:

    9 9. 1 , N , mB : , Wm

  • Page 327 and 328:

    9. 3, , r = 0. 5310 - 1 0 m, v= 2.

  • Page 329 and 330:

    210 - 6 W b: ( 1) ( ) ; ( 2) ; ( 3)

  • Page 331 and 332:

    , 9. 3( b ) , , ? H c

  • Page 333 and 334:

    10 10. 1I = 5A ab, l= 20cm, d =

  • Page 335 and 336:

    = - 410 - 7 110 3 0. 2 2 = - 4. 410

  • Page 337 and 338:

    q = dt = 1 REdt = - = R = N BS R

  • Page 339 and 340:

    B = 2m e v er F m = e( v + v) B

  • Page 341 and 342:

    ( 1) L = 0N 2 S/ l = 0N 2 R 2 /

  • Page 343 and 344:

    L 1 L 2, L , : ( 1) , ( 2) ,

  • Page 345 and 346:

    Vm = W / w m = 3. 610 6 2410 - 7 =

  • Page 347 and 348:

    A E = EI dt = - = - 0I 2 ln D 2 D

  • Page 349 and 350:

    11 11. 1 , : ,

  • Page 351 and 352:

    E = easin 1. 19 610- = 4 0c 2 r = 0

  • Page 353 and 354:

    ( 1) a = E e = 3. 910- 1. 3 610 - 1

  • Page 355 and 356:

    , ( 1) E B 114 S= E B/ 0 S

  • Page 357 and 358:

    = 1 2 8. 8510- 12 30 2 0. 5= 210 -

  • Page 359 and 360:

    4 1 11, ; x = 0. 05cos 8

  • Page 361 and 362:

    1313 ( 1) x = A cos, x : x a = A,

  • Page 363 and 364:

    ( 2) x = 0. 12m , arccos( 1/ 2

  • Page 365 and 366:

    ( 3) E p= 1 2 k A 2 = 1 1 2 4 2 kA

  • Page 367 and 368:

    T = 2m/ k = 2m( k1 + k2) / ( k 1k2)

  • Page 369 and 370:

    ( 2) E = E k + E p = 1 2 m + m v 2

  • Page 371 and 372:

    ( 3) ? ( 1) 110 , F = Gm M r 2 E r

  • Page 373 and 374:

    1 2 L 2 mr 2 0 1- 2x r 0 m2 r 0GM

  • Page 375 and 376:

    T = 2 ml 2 mg = 2 0. 20 20. 59. 8 =

  • Page 377 and 378:

    125H Cl 1310 - E p ( r) = - r e

  • Page 379 and 380:

    128 1 14 , K , , , L L

  • Page 381 and 382:

    d= 1800r / min= 30 H z 4 ,

  • Page 383 and 384:

    ( 2) x = 115135 = 12. 5ms 2 2 A

  • Page 385 and 386:

    LC2 T 1 = 2LC1 = 2 10160010 - 6 = 0

  • Page 387 and 388:

    2 21 740km/ h, 300km? 8

  • Page 389 and 390:

    2125 ( 1) 21 , = 04m, u = 008m

  • Page 391 and 392:

    = 7. 810 3 k g/ m 3 ) u= Y/ Y =

  • Page 393 and 394:

    ( 1) I = 1 2 ( 2 ) 2 A 2 u = 1 800

  • Page 395 and 396:

    ? ( 2) ? ( 3) t = 2. 010 - 3 s , x

  • Page 397 and 398:

    12km L = 10lg I I 0 = 10lg = 10lg

  • Page 399 and 400:

    a = u/ R = 331/ ( 17710 3 ) = 0187

  • Page 401 and 402:

    27230 , C 2. 31, y 1 = Asin (

  • Page 403 and 404:

    y = y 1 + y 2 = A sin( t - kx ) +

  • Page 405 and 406:

    t = Q 1A u 1 + AQ2 u 2 t , dt = 0,

  • Page 407 and 408:

    34 015mm, 10m 1 10 36

  • Page 409 and 410:

    3338 ( 1) 33 , d sin - d sin, d

  • Page 411 and 412:

    = 2 2hsin + = ( 2k+ 1) , k= 1

  • Page 413 and 414:

    = L/ c= 1/ = 1/ ( 1310 9 ) = 7710

  • Page 415 and 416:

    ( 1) 38 , , G 1G 2 h = l = l

  • Page 417 and 418:

    e = k + 1 2 2 = k + 1 - 9 2 55010

  • Page 419 and 420:

    M 1 M2 , ( G1 M1 ) , , M 1 , M

  • Page 421 and 422:

    4 41 , a = 010mm, 50cm , = 5

  • Page 423 and 424:

    sin 1= 1. 22 / D 1, = 2 1 = 2a

  • Page 425 and 426:

    425) 300m, 300m 4cm ,

  • Page 427 and 428:

    x = 2f / a = 25010 - 2 48010 - 9

  • Page 429 and 430:

    = 43. 2 4204000 , ? k k r= ( k+ 1)

  • Page 431 and 432:

    426 420 , = 45 , X 0095nm 013

  • Page 433 and 434:

    I 1 = I 2 ( ) 45 , ( a) ( b

  • Page 435 and 436:

    53P 1 P 2 ( 51) I 0 P 1, P 2 ,

  • Page 437 and 438:

    , ? , ? ? , 0, 12 = arct an 2 ,

  • Page 439 and 440:

    55 511 56 , P 1, P 2 C , P

  • Page 441 and 442:

    ( 155) , 58 , ,

  • Page 443 and 444:

    5 1 11 - 5, , ? M = T

  • Page 445 and 446:

    = 456710 - 8 3 4 ( 6410 6 ) 2 = 2.

  • Page 447 and 448:

    M = T 4 ( : M/ T 4 , ) M = M 0

  • Page 449 and 450: 12 0, E = hc/ = hc/ ( 1. 2 0) = h
  • Page 451 and 452: 119 020nm ? E e = ( pc) 2 +
  • Page 453 and 454: 2 r = , = 1, 2, 3, = h/ ( mev)
  • Page 455 and 456: = 2dsin , p =
  • Page 457 and 458: 2 21 10 - 5 m, 10 - 14 g
  • Page 459 and 460: ( 233) , = 2 a sin a x x = 0 x =
  • Page 461 and 462: x = 2a / x, y = 2a / y, z = 2a /
  • Page 463 and 464: 3 31 m in = c = ma x ch E - E 1
  • Page 465 and 466: 1 = R 4 - 1 2 , = 3, 4, 5, R ,
  • Page 467 and 468: G Mm R 2 mvR = R = = mv 2 R h h
  • Page 469 and 470: = ( 1 - 411. 3/ 411. 7)310 8 = 2. 9
  • Page 471 and 472: E k = E 1 - E p 1 = - 13. 6 - ( -
  • Page 473 and 474: 15/ 4 = 3/ 4 + 2 - 2 3 2 cos 1, 1
  • Page 475 and 476: , ? ? 2 z B, h = 2 z B = 2 zB
  • Page 477 and 478: ? d = 2dsin = m , = ch/ E L K m= 1
  • Page 479 and 480: R = f = 1. 22 f = 1. 2251510 - 9 3
  • Page 481 and 482: 4 41 193g/ cm 3 , ? , h 2
  • Page 483 and 484: T = 0. 3E F = 2 k 1 9 0. 351610- =
  • Page 485 and 486: , ( 2) m a x= ch E = 3108 66310
  • Page 487 and 488: 5 51 6MeV ( 1 97 Au ) , ? ( 14 N
  • Page 489 and 490: 430MeV A 1 / 3 ? ? , ,
  • Page 491 and 492: 58 ? ? ©¦ dN ©¦= N 0e - t / d
  • Page 493 and 494: V = A 0 e - A 1 t = 30010 3 30 A 1
  • Page 495 and 496: , 60 Co 6 0 Co 59 Co 59 Co+ n
  • Page 497 and 498: E t h = E 1 + E 2 = 4. 37 + 2. 3 =