ʵÑéÊÒ¿ÉÀûÓÃÀ­Á¦´«¸ÐÆ÷ºÍËٶȴ«¸ÐÆ÷̽¾¿¡°¶¯Äܶ¨Àí¡±¡£Èçͼ12£¬ËûÃǽ«À­Á¦´«¸ÐÆ÷¹Ì¶¨ÔÚС³µÉÏ£¬Óò»¿ÉÉ쳤µÄϸÏß½«Æäͨ¹ýÒ»¸ö¶¨»¬ÂÖÓë¹³ÂëÏàÁ¬£¬ÓÃËٶȴ«¸ÐÆ÷¼Ç¼ͨ¹ýA¡¢BʱµÄËٶȴóС¡£Ð¡³µÖпÉÒÔ·ÅÖÃíÀÂë¡£

£¨1£©ÊµÑéÖ÷Òª²½ÖèÈçÏ£º
¢Ù²âÁ¿__________ºÍÀ­Á¦´«¸ÐÆ÷µÄ×ÜÖÊÁ¿£»°ÑϸÏßµÄÒ»¶Ë¹Ì¶¨ÔÚÀ­Á¦´«¸ÐÆ÷ÉÏ£¬ÁíÒ»¶Ëͨ¹ý¶¨»¬ÂÖÓë¹³ÂëÏàÁ¬£»ÕýÈ·Á¬½ÓËùÐèµç·£»
¢Ú½«Ð¡³µÍ£ÔÚ¿¿ÓÒ·½µÄCµã£¬½ÓͨµçÔ´ºóÊÍ·ÅС³µ£¬Ð¡³µÔÚϸÏßÀ­¶¯ÏÂÔ˶¯£¬¼Ç¼ϸÏßÀ­Á¦¼°Ð¡³µÍ¨¹ýA¡¢BʱµÄËٶȡ£
¢ÛÔÚС³µÖÐÔö¼ÓíÀÂ룬»ò___________£¬Öظ´¢ÚµÄ²Ù×÷¡£
£¨2£©Ï±íÊÇËûÃDzâµÃµÄÒ»×éÊý¾Ý£¬ÆäÖÐMÊÇM1ÓëС³µÖÐíÀÂëÖÊÁ¿Ö®ºÍ£¬ÊÇÁ½¸öËٶȴ«¸ÐÆ÷¼Ç¼ËٶȵÄƽ·½²î£¬¿ÉÒԾݴ˼ÆËã³ö¶¯Äܱ仯Á¿£¬FÊÇÀ­Á¦´«¸ÐÆ÷Êܵ½µÄÀ­Á¦£¬WÊÇFÔÚA¡¢B¼äËù×÷µÄ¹¦¡£±í¸ñÖеĦ¤E3£½_________£¬W3£½________¡££¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©
£¨3£©¸ù¾ÝÏÂ±í£¬ÇëÔÚÓÒͼÖеķ½¸ñÖ½ÉÏ×÷³öͼÏß¡£


£¨1£©Ð¡³µ£»£»¸Ä±ä¹³ÂëµÄ¸öÊý
£¨2£©0.619£»0.610
£¨3£©ÈçͼËùʾ

½âÎö£¨1£©ÂÔ£»£¨2£©Óɸ÷×éÊý¾Ý¿É¼û¹æÂÉ£¬¿ÉµÃ¡÷E3=0.600£»¹Û²ìF-WÊý¾Ý¹æÂɿɵÃÊýÖµÉÏW=F/2=0.610;
£¨3£©ÔÚ·½¸ñÖ½ÉÏ×÷³ö¡÷E-WͼÏßÈçͼËùʾ

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

ijʵÑéÊÒ¿ÉÀûÓÃÀ­Á¦´«¸ÐÆ÷ºÍËٶȴ«¸ÐÆ÷̽¾¿¡°¶¯Äܶ¨Àí¡±£®Èçͼ£¬ËûÃǽ«À­Á¦´«¸ÐÆ÷¹Ì¶¨ÔÚС³µÉÏ£¬Óò»¿ÉÉ쳤µÄÇáϸÏß½«Æäͨ¹ýÒ»¸ö¶¨»¬ÂÖÓë¹³ÂëÏàÁ¬£¬ÓÃËٶȴ«¸ÐÆ÷¼Ç¼С³µÍ¨¹ýA¡¢BʱµÄËٶȴóСÖгµÖпÉÒÔ·ÅÖÃíÀÂ룮
£¨1£©ÊµÑéÖ÷Òª²½ÖèÈçÏ£º
¢Ù²âÁ¿Ð¡³µ£¨°üÀ¨À­Á¦´«¸ÐÆ÷£©µÄÖÊÁ¿M1£»°ÑϸÏßµÄÒ»¶Ë¹Ì¶¨ÔÚÀ­Á¦´«¸ÐÆ÷ÉÏ£¬ÁíÒ»¶Ëͨ¹ý¶¨»¬ÂÖÓë¹³ÂëÏàÁ¬£»ÕýÈ·Á¬½ÓËùÐèµç·£»
¢Ú½«Ð¡³µÍ£ÔÚ¿¿ÓÒ·½µÄCλÖ㬽ÓͨµçÔ´ºóÊÍ·ÅС³µ£¬Ð¡³µÔÚϸÏßÀ­¶¯ÏÂÔ˶¯£¬¼Ç¼ϸÏßÀ­Á¦¼°Ð¡³µÍ¨¹ýA¡¢BʱµÄËٶȣ®
¢ÛÔÚС³µÖÐÔö¼ÓíÀÂë»ò
¸Ä±ä¹³Âë¸öÊý£¬
¸Ä±ä¹³Âë¸öÊý£¬
Öظ´¢ÚµÄ²Ù×÷£®
£¨2£©Ï±íÊÇËûÃDzâµÃµÄÒ»×éÊý¾Ý£¬ÆäÖÐMÊÇM1ÓëС³µÖÐíÀÂëÖÊÁ¿Ö®ºÍ£¬|
v
2
2
-
v
2
1
|
ÊÇÁ½¸öËٶȴ«¸ÐÆ÷¼Ç¼ËٶȵÄƽ·½²î£¬¿ÉÒԾݴ˼ÆËã³ö¶¯Äܱ仯Á¿¡÷E£¬FÊÇÀ­Á¦´«¸ÐÆ÷Êܵ½µÄÀ­Á¦£¬WÊÇFÔÚA¡¢B¼ä¶ÔС³µËù×÷µÄ¹¦£®±í¸ñÖеġ÷E3=
0.600
0.600
£¬W3=
0.610
0.610
£®£¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©
£¨3£©·ÖÎöÏÂ±í£¬ÔÚÎó²î·¶Î§ÄÚÄã¿ÉÒԵõ½µÄ½áÂÛÊÇ
À­Á¦F¶ÔС³µËù×öµÄ¹¦µÈÓÚС³µºÍíÀÂ붯Äܵı仯
À­Á¦F¶ÔС³µËù×öµÄ¹¦µÈÓÚС³µºÍíÀÂ붯Äܵı仯
£»
Ôì³ÉÎó²îµÄÔ­Òò
С³µÔÚÔ˶¯¹ý³ÌÖÐÒª¿Ë·þ×èÁ¦×ö¹¦£®
С³µÔÚÔ˶¯¹ý³ÌÖÐÒª¿Ë·þ×èÁ¦×ö¹¦£®
£®Êý¾Ý¼Ç¼±í
´ÎÊý M/kg |
v
2
2
-
v
2
1
|
/£¨m/s£©2
¡÷E/J F/N W/J
1 0.500 0.760 0.190 0.400 0.200
2 0.500 1.65 0.413 0.840 0.420
3 0.500 2.40 ¡÷E3 1.220 W3
4 1.000 2.40 1.20 2.420 1.21
5 1.000 2.84 1.42 2.860 1.43

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨10·Ö£©Ä³ÊµÑéÊÒ¿ÉÀûÓÃÀ­Á¦´«¸ÐÆ÷ºÍËٶȴ«¸ÐÆ÷̽¾¿¡°¶¯Äܶ¨Àí¡±¡£Èçͼ£¬ËûÃǽ«À­Á¦´«¸ÐÆ÷¹Ì¶¨ÔÚС³µÉÏ£¬Óò»¿ÉÉ쳤µÄÇáϸÏß½«Æäͨ¹ýÒ»¸ö¶¨»¬ÂÖÓë¹³ÂëÏàÁ¬£¬ÓÃËٶȴ«¸ÐÆ÷¼Ç¼С³µÍ¨¹ýA¡¢BʱµÄËٶȴóСÖгµÖпÉÒÔ·ÅÖÃíÀÂë¡£

£¨1£©ÊµÑéÖ÷Òª²½ÖèÈçÏ£º

¢Ù²âÁ¿Ð¡³µ£¨°üÀ¨À­Á¦´«¸ÐÆ÷£©µÄÖÊÁ¿M1£»°ÑϸÏßµÄÒ»¶Ë¹Ì¶¨ÔÚÀ­Á¦´«¸ÐÆ÷ÉÏ£¬ÁíÒ»¶Ëͨ¹ý¶¨»¬ÂÖÓë¹³ÂëÏàÁ¬£»ÕýÈ·Á¬½ÓËùÐèµç·£»

¢Ú½«Ð¡³µÍ£ÔÚ¿¿ÓÒ·½µÄCλÖ㬽ÓͨµçÔ´ºóÊÍ·ÅС³µ£¬Ð¡³µÔÚϸÏßÀ­¶¯ÏÂÔ˶¯£¬¼Ç¼ϸÏßÀ­Á¦¼°Ð¡³µÍ¨¹ýA¡¢BʱµÄËٶȡ£

¢ÛÔÚС³µÖÐÔö¼ÓíÀÂë»ò                   Öظ´¢ÚµÄ²Ù×÷¡£

£¨2£©Ï±íÊÇËûÃDzâµÃµÄÒ»×éÊý¾Ý£¬ÆäÖÐMÊÇM1ÓëС³µÖÐíÀÂëÖÊÁ¿Ö®ºÍ£¬ÊÇÁ½¸öËٶȴ«¸ÐÆ÷¼Ç¼ËٶȵÄƽ·½²î£¬¿ÉÒԾݴ˼ÆËã³ö¶¯Äܱ仯Á¿¡÷E£¬FÊÇÀ­Á¦´«¸ÐÆ÷Êܵ½µÄÀ­Á¦£¬WÊÇFÔÚA¡¢B¼ä¶ÔС³µËù×÷µÄ¹¦¡£±í¸ñÖеġ÷E3=       £¬W3=   ¡££¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©

£¨3£©·ÖÎöÏÂ±í£¬ÔÚÎó²î·¶Î§ÄÚÄã¿ÉÒԵõ½µÄ½áÂÛÊÇ            £»Ôì³ÉÎó²îµÄÔ­Òò                     ¡£

Êý¾Ý¼Ç¼±í

´ÎÊý

M/kg

/(m/s)2

¡÷E/J

F/N

W/J

1

0.500

0.760

0.190

0.400

0.200

2

0.500

1.65

0.413

0.840

0.420

3

0.500

2.40

¡÷E1

1.220

W3

4

1.000

2.40

1.20

2.420

1.21

5

1.000

2.84

1.42

2.860

1.43

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2012-2013ѧÄê½­Î÷Ê¡¾°µÂÕòÊиßÒ»ÏÂѧÆÚÆÚÄ©ÖÊÁ¿¼ì²âÎïÀíÊÔ¾í£¨´ø½âÎö£© ÌâÐÍ£ºÊµÑéÌâ

ijʵÑéÊÒ¿ÉÀûÓÃÀ­Á¦´«¸ÐÆ÷ºÍËٶȴ«¸ÐÆ÷̽¾¿¡°¶¯Äܶ¨Àí¡±¡£Èçͼ£¬ËûÃǽ«À­Á¦´«¸ÐÆ÷¹Ì¶¨ÔÚС³µÉÏ£¬Óò»¿ÉÉ쳤µÄÇáϸÏß½«Æäͨ¹ýÒ»¸ö¶¨»¬ÂÖÓë¹³ÂëÏàÁ¬£¬ÓÃËٶȴ«¸ÐÆ÷¼Ç¼С³µÍ¨¹ýA¡¢BʱµÄËٶȴóСÖгµÖпÉÒÔ·ÅÖÃíÀÂë¡£

ʵÑéÖ÷Òª²½ÖèÈçÏ£º
¢Ù²âÁ¿Ð¡³µ£¨°üÀ¨À­Á¦´«¸ÐÆ÷£©µÄÖÊÁ¿M1£»°ÑϸÏßµÄÒ»¶Ë¹Ì¶¨ÔÚÀ­Á¦´«¸ÐÆ÷ÉÏ£¬ÁíÒ»¶Ëͨ¹ý¶¨»¬ÂÖÓë¹³ÂëÏàÁ¬£»ÕýÈ·Á¬½ÓËùÐèµç·£»
¢Ú½«Ð¡³µÍ£ÔÚ¿¿ÓÒ·½µÄCλÖ㬽ÓͨµçÔ´ºóÊÍ·ÅС³µ£¬Ð¡³µÔÚϸÏßÀ­¶¯ÏÂÔ˶¯£¬¼Ç¼ϸÏßÀ­Á¦¼°Ð¡³µÍ¨¹ýA¡¢BʱµÄËٶȡ£
¢ÛÔÚС³µÖÐÔö¼ÓíÀÂë»ò                   Öظ´¢ÚµÄ²Ù×÷¡£
£¨2£©Ï±íÊÇËûÃDzâµÃµÄÒ»×éÊý¾Ý£¬ÆäÖÐMÊÇM1ÓëС³µÖÐíÀÂëÖÊÁ¿Ö®ºÍ£¬ÊÇÁ½¸öËٶȴ«¸ÐÆ÷¼Ç¼ËٶȵÄƽ·½²î£¬¿ÉÒԾݴ˼ÆËã³ö¶¯Äܱ仯Á¿¡÷E£¬FÊÇÀ­Á¦´«¸ÐÆ÷Êܵ½µÄÀ­Á¦£¬WÊÇFÔÚA¡¢B¼ä¶ÔС³µËù×÷µÄ¹¦¡£±í¸ñÖеġ÷E3=             £¬W3=             ¡££¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©
£¨3£©·ÖÎöÏÂ±í£¬ÔÚÎó²î·¶Î§ÄÚÄã¿ÉÒԵõ½µÄ½áÂÛÊÇ                                £»
Ôì³ÉÎó²îµÄÔ­Òò                                                             ¡£
Êý¾Ý¼Ç¼±í

´ÎÊý
M/kg
/(m/s)2
¡÷E/J
F/N
W/J
1
0.500
0.760
0.190
0.400
0.200
2
0.500
1.65
0.413
0.840
0.420
3
0.500
2.40
¡÷E1
1.220
W3
4
1.000
2.40
1.20
2.420
1.21
5
1.000
2.84
1.42
2.860
1.43
 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010Äê½­Î÷Ê¡¼ª°²ÊиßÒ»ÏÂѧÆÚÆÚÄ©¿¼ÊÔÎïÀíÊÔÌâ ÌâÐÍ£ºÊµÑéÌâ

£¨10·Ö£©Ä³ÊµÑéÊÒ¿ÉÀûÓÃÀ­Á¦´«¸ÐÆ÷ºÍËٶȴ«¸ÐÆ÷̽¾¿¡°¶¯Äܶ¨Àí¡±¡£Èçͼ£¬ËûÃǽ«À­Á¦´«¸ÐÆ÷¹Ì¶¨ÔÚС³µÉÏ£¬Óò»¿ÉÉ쳤µÄÇáϸÏß½«Æäͨ¹ýÒ»¸ö¶¨»¬ÂÖÓë¹³ÂëÏàÁ¬£¬ÓÃËٶȴ«¸ÐÆ÷¼Ç¼С³µÍ¨¹ýA¡¢BʱµÄËٶȴóСÖгµÖпÉÒÔ·ÅÖÃíÀÂë¡£

£¨1£©ÊµÑéÖ÷Òª²½ÖèÈçÏ£º

¢Ù²âÁ¿Ð¡³µ£¨°üÀ¨À­Á¦´«¸ÐÆ÷£©µÄÖÊÁ¿M1£»°ÑϸÏßµÄÒ»¶Ë¹Ì¶¨ÔÚÀ­Á¦´«¸ÐÆ÷ÉÏ£¬ÁíÒ»¶Ëͨ¹ý¶¨»¬ÂÖÓë¹³ÂëÏàÁ¬£»ÕýÈ·Á¬½ÓËùÐèµç·£»

¢Ú½«Ð¡³µÍ£ÔÚ¿¿ÓÒ·½µÄCλÖ㬽ÓͨµçÔ´ºóÊÍ·ÅС³µ£¬Ð¡³µÔÚϸÏßÀ­¶¯ÏÂÔ˶¯£¬¼Ç¼ϸÏßÀ­Á¦¼°Ð¡³µÍ¨¹ýA¡¢BʱµÄËٶȡ£

¢ÛÔÚС³µÖÐÔö¼ÓíÀÂë»ò                    Öظ´¢ÚµÄ²Ù×÷¡£

£¨2£©Ï±íÊÇËûÃDzâµÃµÄÒ»×éÊý¾Ý£¬ÆäÖÐMÊÇM1ÓëС³µÖÐíÀÂëÖÊÁ¿Ö®ºÍ£¬ÊÇÁ½¸öËٶȴ«¸ÐÆ÷¼Ç¼ËٶȵÄƽ·½²î£¬¿ÉÒԾݴ˼ÆËã³ö¶¯Äܱ仯Á¿¡÷E£¬FÊÇÀ­Á¦´«¸ÐÆ÷Êܵ½µÄÀ­Á¦£¬WÊÇFÔÚA¡¢B¼ä¶ÔС³µËù×÷µÄ¹¦¡£±í¸ñÖеġ÷E3=        £¬W3=    ¡££¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©

£¨3£©·ÖÎöÏÂ±í£¬ÔÚÎó²î·¶Î§ÄÚÄã¿ÉÒԵõ½µÄ½áÂÛÊÇ             £»Ôì³ÉÎó²îµÄÔ­Òò                      ¡£

Êý¾Ý¼Ç¼±í

´ÎÊý

M/kg

/(m/s)2

¡÷E/J

F/N

W/J

1

0.500

0.760

0.190

0.400

0.200

2

0.500

1.65

0.413

0.840

0.420

3

0.500

2.40

¡÷E1

1.220

W3

4

1.000

2.40

1.20

2.420

1.21

5

1.000

2.84

1.42

2.860

1.43

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸