Page 59 - 高中物理选择性必修3
P. 59

( 2)Û¶Z 2 - 4 ( a)F.89 S š¿,¶Ú;'Å>
              ¸J,D}ä~89 S,µè¸J_C­HH = 35 cm,˜”

              è¸J_C­.p».
                   8. f8Z 2 - 5 æÙ.,-¦XY3P,-.º»,Ä
              v"#Ñ£¤W¨8C:


                   a. š¿89 K,è A、lù B、lù C ÑSW+“.                                                                  <
              ‚CôÍè D,¸J_'Ò» n Îä;                                                                                 =
                                                                                                                    /
                                                                                 (a)              (b)
                   b. ä~89 K,킊è D,¸J_žlÒ» m È.
              ù¹¦ß B、D )謸J_p», h = 19 0 cm;                                           Z 2 - 4
                                                     1
                   c. š¿89 K,M m = 400 g .P,-׆lù C F,
              ¸J_c›'Ò» n Îä,D}ä~ K;
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                   d. 킊è D,¸J_c›lžÒ» m È,ù¹¦
              ß B、D )謸J_p», h = 20 6 cm.
                                              2
                                                                  3
                   34è A Ñlù C .G]ïG V               AC  = 1000 cm ,˜yP
              ,-.º».

                   9. Y’DµvHŽˆ8Z 2 - 6 æÙ.Imþ»±,
              F,ާ)w¿D.ô,è¸N:¢ô,™DÈ.ÕÖd,

              ô, è ¬ ? Ž ú q » € é ´ . ¸ J s. µ þ » G T =                                 Z 2 - 5

              280 K ¹,¸JskÁÈA™D¿-,Ÿ¹y,-º}W]
                                 3                                5
              .]ï V = 480 cm . 34SWZÏG p = 1 0 × 10 Pa,ô,
                                                      0
                                               2
              è¬Åä’_ïG S = 0 4 cm ,™D7ô,è.q»G
              L = 48 cm.                                                                 Z 2 - 6
                   (1)˜yþ»± ¦X.{pþ».
                   ( 2)ô,è‚æXm.þ»±²û?
                   ( 3)Û=ÃpŸþ»±¦X.ÙS,3y8O3Ò?


                   10. 8Z 2 - 7 æÙ,ޏN-.‹W;,ç’_
              ïd’.)ˆ´…Àõn+,-X±G m = 1 0 kg .ãd
              A、B fŽq»G 3L = 30 cm、-Xd±.#QeÀõ+ã
              ],mL€èA…¬if<¯”µºÍod=W. ãd A、

                                                           2
                                           2
              B ._ï>€G S = 200 cm Ñ S = 100 cm ,W;¬ A Ñ                                 Z 2 - 7
                                                 B
                                A
              B ¯E}~?Ž1-X.òzW],A .”x B .µx
              Q1SW,SWZÏ6g¾‘G p = 1 0 × 10 Pa. µW;¬W].þ»G T = 500 K ¹,
                                                              5
                                                                                               1
                                                 0
              ãdÈÉZÙ¿-NO. ˜:
                   ( 1)Ÿ¹W;¬òzW].ZÏG2S?
                   ( 2)µW;¬W].þ»ì T = 500 K ¶Ú­€ T = 400 K ¹,ãd A、B ¶íÔxô
                                                  1
                                                                       2
              Í?ôÍ.¿ôG2S?


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