ÌâÄ¿ÄÚÈÝ

ijѧϰС×éΪÁË̽¾¿ÎïÌåÊܵ½¿ÕÆø×èÁ¦Ê±Ô˶¯ËÙ¶ÈËæʱ¼äµÄ±ä»¯¹æÂÉ£¬ËûÃDzÉÓÃÁË¡°Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ¡±µÄʵÑé×°Öã¨ÈçͼËùʾ£©¡£ÊµÑéʱ

   £¨1£©ÎªÁËƽºâС³µÔ˶¯ÖÐÓëľ°åÖ®¼äµÄ×èÁ¦¡£Ó¦¸Ã²ÉÓÃÏÂÃæËùÊöµÄ    ¡ø   ·½·¨£¨Ñ¡ÌîA¡¢B¡¢C¡¢D£©¡£

A£®Öð²½µ÷½Úľ°åµÄÇãб³Ì¶È£¬Ê¹Ð¡³µÔÚľ°åÉϱ£³Ö¾²Ö¹

B£®Öð²½µ÷½Úľ°åµÄÇãб³Ì¶È£¬Ê¹¾²Ö¹µÄС³µ¿ªÊ¼Ô˶¯

C£®Öð²½µ÷½Úľ°åµÄÇãб³Ì¶È£¬Ê¹¼ÐÔÚС³µºóÃæµÄÖ½´øÉÏËù´òµÄµã¼ä¸ô¾ùÔÈD£®ÒÔÉϲÙ×÷¾ù¿ÉÒÔ

£¨2£©Æ½ºâÁËС³µÓëľ°å¼äµÄ×èÁ¦ºó£¬ÔÚС³µÉÏ°²×°Ò»±¡°å£¬ÒÔÔö´ó¿ÕÆø¶ÔС³µÔ˶¯µÄ×èÁ¦¡£ÍùíÀÂëÅÌÖмÓÈëһСíÀÂ룬ÔÚÊÍ·ÅС³µ    ¡ø   £¨Ñ¡Ì֮ǰ¡±»ò¡°Ö®ºó¡±£©½Óͨ´òµã¼ÆʱÆ÷µÄµçÔ´£¬ÔÚÖ½´øÉÏ´ò³öһϵÁеĵ㡣

   £¨3£©´ÓÖ½´øÉÏÑ¡È¡Èô¸É¼ÆÊýµã½øÐвâÁ¿£¬µÃ³ö¸÷¼ÆÊýµãµÄʱ¼äÓëËٶȵÄÊý¾ÝÈçÏÂ±í£º

ʱ¼ä/s

0

0.10

0.20

0.30

0.40

0.50

ËÙ¶È/m¡¤s-1

0.12

0.19

0.23

0.26

0.28

0.29

Çë¸ù¾ÝʵÑéÊý¾ÝÔÚ´ðÌâÖ½ÉÏ×÷³öС³µµÄͼÏó¡£

   £¨4£©Í¨¹ý¶ÔʵÑé½á¹ûµÄ·ÖÎö£¬ÓÐͬѧÈÏΪ£ºËæ×ÅÔ˶¯ËٶȵÄÔö¼Ó£¬Ð¡³µËùÊܵĿÕÆø×èÁ¦½«±ä´ó£¬ÄãÊÇ·ñͬÒâËûµÄ¹Ûµã£¿Çë¸ù¾ÝͼÏó¼òÒª²ûÊöÀíÓÉ¡£

£¨1£©C £¨2·Ö£©  £¨2£©Ö®Ç°  £¨2·Ö£©

£¨3£©£¨¼ûÓÒͼ£¬Ö±Ïß¡¢ÕÛÏß²»¸ø·Ö£©£¨2·Ö£©                       

£¨4£©Í¬Ò⣨2·Ö£© ÔÚv-tͼÏóÖУ¬ËÙ¶ÈÔ½´óʱ£¬¼ÓËÙ¶ÈԽС£¬Ð¡³µÊܵ½µÄºÏÁ¦Ô½Ð¡£¬ÔòС³µÊÜ¿ÕÆø×èÁ¦Ô½´ó¡££¨2·Ö£©

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
£¨1£©Ò»Ë®Æ½´«ËÍ´ø±£³Ö2m/sµÄËÙ¶È˳ʱÕëת¶¯£¬Ä³Ê±¿Ì½«Ò»ÖÊÁ¿Îª0.5kgµÄСÎï¿éÇáÇá·ÅÔÚ´«ËÍ´øµÄ×î×ó¶Ë£¬ÒÑÖªÎï¿éÓë´«ËÍ´ø¼äµÄ¶¯Ä¦²ÁÒòÊýΪ0.2£¬´«ËÍ´øÁ½ÂÖÂÖÐļäµÄ¾àÀëΪ3m£¬ÔòÎï¿éÔ˶¯µ½´«ËÍ´ø×îÓҶ˵Äʱ¼äΪ
 
s£»´Ë¹ý³ÌÖÐĦ²ÁÁ¦¶ÔÎï¿éµÄ³åÁ¿´óСΪ
 
N?s£®£¨gÈ¡10m/s2£©
£¨2£©µ±Ê¹ÓöàÓõç±í²âÁ¿ÎïÀíÁ¿Ê±£¬¶àÓõç±í±íÅÌʾÊýÈçͼËùʾ£®Èô´ËʱѡÔñ¿ª¹Ø¶Ô×¼Ö±Á÷50Vµçѹµµ£¬Ôò±»²âµçѹΪ
 
V£»Èô´ËʱѡÔñ¿ª¹Ø¶Ô×¼¡Á10¦¸µµ£¬Ôò±»²âµç×èµÄ×èֵΪ
 
¦¸£®
¾«Ó¢¼Ò½ÌÍø
£¨3£©Ä³µç×èRxԼΪ25k¦¸£¬Òª²âÁ¿ËüµÄ×èÖµ£®
ÏÖÓе綯ÊÆΪ15VµÄÖ±Á÷µçÔ´£¬×î´ó×èֵΪ50¦¸µÄ»¬¶¯±ä×èÆ÷£¬ÁíÍâ¿É¹©Ñ¡ÔñµÄµç±íÓУº
A£®µçÁ÷±í£¨Á¿³Ì100¦ÌA£¬ÄÚ×è2k¦¸£©    B£®µçÁ÷±í£¨Á¿³Ì500¦ÌA£¬ÄÚ×è300¦¸£©
C£®µçѹ±í£¨Á¿³Ì10V£¬ÄÚ×è100k¦¸£©    D£®µçѹ±í£¨Á¿³Ì50V£¬ÄÚ×è500k¦¸£©
¢ÙӦѡÔñµÄµç±íΪ£¨Ö»ÐèÌíµç±íÇ°ÃæµÄ×Öĸ¼´¿É£©µçÁ÷±í
 
£»µçѹ±í
 
£®
¢ÚΪÁ˾¡¿ÉÄÜÌá¸ß²âÁ¿×¼È·¶ÈÇÒ±£Ö¤µçѹ¿ÉÒÔ´ÓÁ㿪ʼµ÷Æð£¬ÏÂÁиø³öµÄ²âÁ¿µç·ÖУ¬×îºÏÊʵĵç·ÊÇ
 
£®
¾«Ó¢¼Ò½ÌÍø
£¨4£©Ä³Ñо¿ÐÔѧϰС×éÓÃͼ¼×ËùʾµÄ×°ÖÃ̽¾¿¼ÓËÙ¶ÈÓëºÏÍâÁ¦µÄ¹Øϵ£®×°ÖÃÖеÄÂÁÏä϶ËÁ¬½ÓÖ½´ø£¬É°Í°ÖпɷÅÖÃÉ°×ÓÒԸıäÂÁÏäËùÊܵÄÍâÁ¦´óС£¬ÂÁÏäÏòÉÏÔ˶¯µÄ¼ÓËÙ¶Èa¿ÉÓÉ´òµã¼ÆʱÆ÷ºÍÖ½´ø²â³ö£®ÏÖ±£³ÖÂÁÏä×ÜÖÊÁ¿m²»±ä£¬Öð½¥Ôö´óÉ°Í°ºÍÉ°µÄ×ÜÖÊÁ¿½øÐжà´ÎʵÑ飬µÃµ½¶à×éa¡¢FÖµ£¨FΪÁ¦´«¸ÐÆ÷µÄʾÊý£¬µÈÓÚÐü¹Ò»¬ÂÖÉþ×ÓµÄÀ­Á¦£©£®ÒÑÖªÖØÁ¦¼ÓËÙ¶ÈΪg£¬²»¼Æ»¬ÂÖµÄÖØÁ¦£®Ä³Í¬Ñ§¸ù¾ÝʵÑéÊý¾Ý»­³öÁËͼÒÒËùʾµÄÒ»Ìõ¹ý×ø±êÔ­µãµÄÇãбֱÏߣ¬ÆäÖÐ×ÝÖáΪÂÁÏäµÄ¼ÓËٶȴóС£¬ºáÖáӦΪ
 
£¨ÓÃËù¸ø×Öĸ±íʾ£©£»
µ±É°Í°ºÍÉ°µÄ×ÜÖÊÁ¿½Ï´óµ¼ÖÂa½Ï´óʱ£¬Í¼Ïß
 
£¨ÌîÑ¡ÏîÇ°µÄ×Öĸ£©
A£®Öð½¥Æ«Ïò×ÝÖá
B£®Öð½¥Æ«ÏòºáÖá
C£®ÈÔ±£³ÖÔ­·½Ïò²»±ä
¾«Ó¢¼Ò½ÌÍø
£¨1£©Ò»Ë®Æ½´«ËÍ´ø±£³Ö2m/sµÄËÙ¶È˳ʱÕëת¶¯£¬Ä³Ê±¿Ì½«Ò»ÖÊÁ¿Îª0.5kgµÄСÎï¿éÇáÇá·ÅÔÚ´«ËÍ´øµÄ×î×ó¶Ë£¬ÒÑÖªÎï¿éÓë´«ËÍ´ø¼äµÄ¶¯Ä¦²ÁÒòÊýΪ0.2£¬´«ËÍ´øÁ½ÂÖÂÖÐļäµÄ¾àÀëΪ3m£¬ÔòÎï¿éÔ˶¯µ½´«ËÍ´ø×îÓҶ˵Äʱ¼äΪ______s£»´Ë¹ý³ÌÖÐĦ²ÁÁ¦¶ÔÎï¿éµÄ³åÁ¿´óСΪ______N-s£®£¨gÈ¡10m/s2£©
£¨2£©µ±Ê¹ÓöàÓõç±í²âÁ¿ÎïÀíÁ¿Ê±£¬¶àÓõç±í±íÅÌʾÊýÈçͼËùʾ£®Èô´ËʱѡÔñ¿ª¹Ø¶Ô×¼Ö±Á÷50Vµçѹµµ£¬Ôò±»²âµçѹΪ______V£»Èô´ËʱѡÔñ¿ª¹Ø¶Ô×¼¡Á10¦¸µµ£¬Ôò±»²âµç×èµÄ×èֵΪ______¦¸£®

¾«Ó¢¼Ò½ÌÍø

£¨3£©Ä³µç×èRxԼΪ25k¦¸£¬Òª²âÁ¿ËüµÄ×èÖµ£®
ÏÖÓе綯ÊÆΪ15VµÄÖ±Á÷µçÔ´£¬×î´ó×èֵΪ50¦¸µÄ»¬¶¯±ä×èÆ÷£¬ÁíÍâ¿É¹©Ñ¡ÔñµÄµç±íÓУº
A£®µçÁ÷±í£¨Á¿³Ì100¦ÌA£¬ÄÚ×è2k¦¸£©    B£®µçÁ÷±í£¨Á¿³Ì500¦ÌA£¬ÄÚ×è300¦¸£©
C£®µçѹ±í£¨Á¿³Ì10V£¬ÄÚ×è100k¦¸£©    D£®µçѹ±í£¨Á¿³Ì50V£¬ÄÚ×è500k¦¸£©
¢ÙӦѡÔñµÄµç±íΪ£¨Ö»ÐèÌíµç±íÇ°ÃæµÄ×Öĸ¼´¿É£©µçÁ÷±í______£»µçѹ±í______£®
¢ÚΪÁ˾¡¿ÉÄÜÌá¸ß²âÁ¿×¼È·¶ÈÇÒ±£Ö¤µçѹ¿ÉÒÔ´ÓÁ㿪ʼµ÷Æð£¬ÏÂÁиø³öµÄ²âÁ¿µç·ÖУ¬×îºÏÊʵĵç·ÊÇ______£®

¾«Ó¢¼Ò½ÌÍø

£¨4£©Ä³Ñо¿ÐÔѧϰС×éÓÃͼ¼×ËùʾµÄ×°ÖÃ̽¾¿¼ÓËÙ¶ÈÓëºÏÍâÁ¦µÄ¹Øϵ£®×°ÖÃÖеÄÂÁÏä϶ËÁ¬½ÓÖ½´ø£¬É°Í°ÖпɷÅÖÃÉ°×ÓÒԸıäÂÁÏäËùÊܵÄÍâÁ¦´óС£¬ÂÁÏäÏòÉÏÔ˶¯µÄ¼ÓËÙ¶Èa¿ÉÓÉ´òµã¼ÆʱÆ÷ºÍÖ½´ø²â³ö£®ÏÖ±£³ÖÂÁÏä×ÜÖÊÁ¿m²»±ä£¬Öð½¥Ôö´óÉ°Í°ºÍÉ°µÄ×ÜÖÊÁ¿½øÐжà´ÎʵÑ飬µÃµ½¶à×éa¡¢FÖµ£¨FΪÁ¦´«¸ÐÆ÷µÄʾÊý£¬µÈÓÚÐü¹Ò»¬ÂÖÉþ×ÓµÄÀ­Á¦£©£®ÒÑÖªÖØÁ¦¼ÓËÙ¶ÈΪg£¬²»¼Æ»¬ÂÖµÄÖØÁ¦£®Ä³Í¬Ñ§¸ù¾ÝʵÑéÊý¾Ý»­³öÁËͼÒÒËùʾµÄÒ»Ìõ¹ý×ø±êÔ­µãµÄÇãбֱÏߣ¬ÆäÖÐ×ÝÖáΪÂÁÏäµÄ¼ÓËٶȴóС£¬ºáÖáӦΪ______£¨ÓÃËù¸ø×Öĸ±íʾ£©£»
µ±É°Í°ºÍÉ°µÄ×ÜÖÊÁ¿½Ï´óµ¼ÖÂa½Ï´óʱ£¬Í¼Ïß______£¨ÌîÑ¡ÏîÇ°µÄ×Öĸ£©
A£®Öð½¥Æ«Ïò×ÝÖá
B£®Öð½¥Æ«ÏòºáÖá
C£®ÈÔ±£³ÖÔ­·½Ïò²»±ä

¾«Ó¢¼Ò½ÌÍø
£¨1£©Ò»Ë®Æ½´«ËÍ´ø±£³Ö2m/sµÄËÙ¶È˳ʱÕëת¶¯£¬Ä³Ê±¿Ì½«Ò»ÖÊÁ¿Îª0.5kgµÄСÎï¿éÇáÇá·ÅÔÚ´«ËÍ´øµÄ×î×ó¶Ë£¬ÒÑÖªÎï¿éÓë´«ËÍ´ø¼äµÄ¶¯Ä¦²ÁÒòÊýΪ0.2£¬´«ËÍ´øÁ½ÂÖÂÖÐļäµÄ¾àÀëΪ3m£¬ÔòÎï¿éÔ˶¯µ½´«ËÍ´ø×îÓҶ˵Äʱ¼äΪ______s£»´Ë¹ý³ÌÖÐĦ²ÁÁ¦¶ÔÎï¿éµÄ³åÁ¿´óСΪ______N?s£®£¨gÈ¡10m/s2£©
£¨2£©µ±Ê¹ÓöàÓõç±í²âÁ¿ÎïÀíÁ¿Ê±£¬¶àÓõç±í±íÅÌʾÊýÈçͼËùʾ£®Èô´ËʱѡÔñ¿ª¹Ø¶Ô×¼Ö±Á÷50Vµçѹµµ£¬Ôò±»²âµçѹΪ______V£»Èô´ËʱѡÔñ¿ª¹Ø¶Ô×¼×10¦¸µµ£¬Ôò±»²âµç×èµÄ×èֵΪ______¦¸£®

£¨3£©Ä³µç×èRxԼΪ25k¦¸£¬Òª²âÁ¿ËüµÄ×èÖµ£®
ÏÖÓе綯ÊÆΪ15VµÄÖ±Á÷µçÔ´£¬×î´ó×èֵΪ50¦¸µÄ»¬¶¯±ä×èÆ÷£¬ÁíÍâ¿É¹©Ñ¡ÔñµÄµç±íÓУº
A£®µçÁ÷±í£¨Á¿³Ì100¦ÌA£¬ÄÚ×è2k¦¸£©    B£®µçÁ÷±í£¨Á¿³Ì500¦ÌA£¬ÄÚ×è300¦¸£©
C£®µçѹ±í£¨Á¿³Ì10V£¬ÄÚ×è100k¦¸£©    D£®µçѹ±í£¨Á¿³Ì50V£¬ÄÚ×è500k¦¸£©
¢ÙӦѡÔñµÄµç±íΪ£¨Ö»ÐèÌíµç±íÇ°ÃæµÄ×Öĸ¼´¿É£©µçÁ÷±í______£»µçѹ±í______£®
¢ÚΪÁ˾¡¿ÉÄÜÌá¸ß²âÁ¿×¼È·¶ÈÇÒ±£Ö¤µçѹ¿ÉÒÔ´ÓÁ㿪ʼµ÷Æð£¬ÏÂÁиø³öµÄ²âÁ¿µç·ÖУ¬×îºÏÊʵĵç·ÊÇ______£®

£¨4£©Ä³Ñо¿ÐÔѧϰС×éÓÃͼ¼×ËùʾµÄ×°ÖÃ̽¾¿¼ÓËÙ¶ÈÓëºÏÍâÁ¦µÄ¹Øϵ£®×°ÖÃÖеÄÂÁÏä϶ËÁ¬½ÓÖ½´ø£¬É°Í°ÖпɷÅÖÃÉ°×ÓÒԸıäÂÁÏäËùÊܵÄÍâÁ¦´óС£¬ÂÁÏäÏòÉÏÔ˶¯µÄ¼ÓËÙ¶Èa¿ÉÓÉ´òµã¼ÆʱÆ÷ºÍÖ½´ø²â³ö£®ÏÖ±£³ÖÂÁÏä×ÜÖÊÁ¿m²»±ä£¬Öð½¥Ôö´óÉ°Í°ºÍÉ°µÄ×ÜÖÊÁ¿½øÐжà´ÎʵÑ飬µÃµ½¶à×éa¡¢FÖµ£¨FΪÁ¦´«¸ÐÆ÷µÄʾÊý£¬µÈÓÚÐü¹Ò»¬ÂÖÉþ×ÓµÄÀ­Á¦£©£®ÒÑÖªÖØÁ¦¼ÓËÙ¶ÈΪg£¬²»¼Æ»¬ÂÖµÄÖØÁ¦£®Ä³Í¬Ñ§¸ù¾ÝʵÑéÊý¾Ý»­³öÁËͼÒÒËùʾµÄÒ»Ìõ¹ý×ø±êÔ­µãµÄÇãбֱÏߣ¬ÆäÖÐ×ÝÖáΪÂÁÏäµÄ¼ÓËٶȴóС£¬ºáÖáӦΪ______£¨ÓÃËù¸ø×Öĸ±íʾ£©£»
µ±É°Í°ºÍÉ°µÄ×ÜÖÊÁ¿½Ï´óµ¼ÖÂa½Ï´óʱ£¬Í¼Ïß______£¨ÌîÑ¡ÏîÇ°µÄ×Öĸ£©
A£®Öð½¥Æ«Ïò×ÝÖá
B£®Öð½¥Æ«ÏòºáÖá
C£®ÈÔ±£³ÖÔ­·½Ïò²»±ä

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø