ÌâÄ¿ÄÚÈÝ

ÀûÓÃÏÂͼËùʾµÄ×°ÖÿÉÒÔÑо¿×ÔÓÉÂäÌåÔ˶¯¡£ÊµÑéÖÐÐèÒªµ÷ÕûºÃÒÇÆ÷£¬½Óͨ´òµã¼ÆʱÆ÷µÄµçÔ´£¬ËÉ¿ªÖ½´ø£¬Ê¹ÖØÎïÏÂÂä¡£´òµã¼ÆʱÆ÷»áÔÚÖ½´øÉÏ´ò³öһϵÁеÄСµã¡£
£¨1£©ÎªÁ˲âµÃÖØÎïÏÂÂäµÄËٶȺͼÓËٶȣ¬»¹ÐèÒªµÄʵÑéÆ÷²ÄÓÐ_______________¡££¨ÌîÈëÕýÈ·Ñ¡ÏîÇ°µÄ×Öĸ£©
A£®Ììƽ
B£®Ãë±í
C£®Ã׳ß
D£®µ¯»É²âÁ¦¼Æ
£¨2£©´òµã¼ÆʱÆ÷½ÓÔÚƵÂÊΪ50HzµÄ½»Á÷µçÔ´ÉÏ£¬ÏÂͼΪʵÑéÖдò³öµÄÒ»ÌõÖ½´ø£¬´ÓÆðʼµãO¿ªÊ¼£¬½«´ËºóÁ¬Ðø´ò³öµÄ7¸öµãÒÀ´Î±êΪA¡¢B¡¢C¡¢D¡­¡­¡£´òµã¼ÆʱÆ÷´òFµãʱ£¬ÖØÎïÏÂÂäµÄËÙ¶ÈΪ_______________m/s£¬¸ÃÖØÎïÏÂÂäµÄ¼ÓËÙ¶ÈΪ_______________m/s2¡££¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©
£¨1£©C ¡¡¡¡
£¨2£©1.16£¬9.60
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
£¨1£©ÊµÑéÊÒ³£Óõĵç´Åʽ´òµã¼ÆʱÆ÷ÓõÄÊǵÍѹ½»Á÷µçÔ´£¬´òµãƵÂÊΪ50HZ£®Ä³´ÎʵÑéÁ¬Ðø´òÁËһϵÁеãµÄÖ½´øÈçÏÂͼ£¬ÓÉ´Ë¿ÉÒÔÅжϣ¬Õâ¶ÎÖ½´øµÄÔ˶¯ÊôÓÚ
ÔȱäËÙ
ÔȱäËÙ
£¨Ìî¡°ÔÈËÙ¡±¡¢¡°ÔȱäËÙ¡±£©Ö±ÏßÔ˶¯£¬Ö½´øÉÏAB¶ÎÔ˶¯µÄʱ¼ät=
0.08
0.08
s£¬AB¶ÎµÄƽ¾ùËÙ¶È
s
t
1.15
1.15
m/s£¨¼ÆËã½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©

£¨2£©ÀûÓÃͼ1ËùʾµÄ×°ÖÿɲâÁ¿»¬¿éÔÚбÃæÉÏÔ˶¯µÄ¼ÓËٶȣ®Ò»Ð±ÃæÉÏ°²×°ÓÐÁ½¸ö¹âµçÃÅ£¬ÆäÖйâµçÃÅÒҹ̶¨ÔÚбÃæÉÏ¿¿½üµ×¶Ë´¦£¬¹âµçÃż׵ÄλÖÿÉÒƶ¯£¬µ±Ò»´øÓÐÕÚ¹âƬµÄ»¬¿é×ÔбÃæÉÏ»¬ÏÂʱ£¬ÓëÁ½¸ö¹âµçÃŶ¼ÏàÁ¬µÄ¼ÆʱÆ÷¿ÉÒÔÏÔʾ³öÕÚ¹âƬ´Ó¹âµçÃż×ÖÁÒÒËùÓõÄʱ¼ät£®¸Ä±ä¹âµçÃż׵ÄλÖýøÐжà´Î²âÁ¿£¬Ã¿´Î¶¼Ê¹»¬¿é´ÓͬһµãÓɾ²Ö¹¿ªÊ¼Ï»¬£¬²¢ÓÃÃ׳߲âÁ¿¼×¡¢ÒÒÖ®¼äµÄ¾àÀës£¬¼ÇÏÂÏàÓ¦µÄtÖµ£»ËùµÃÊý¾ÝÈçϱíËùʾ£®
s£¨m£© 0.500 0.600 0.700 0.800 0.900 0.950
t£¨ms£© 292.9 371.5 452.3 552.8 673.8 776.4
s/t£¨m/s£© 1.71 1.62 1.55 1.45 1.34 1.22
Íê³ÉÏÂÁÐÌî¿ÕºÍ×÷ͼ£º
¢ÙÒÑÖª»¬¿éÑØбÃæÏ»¬Ê±×öÔȼÓËÙÔ˶¯£¬»¬¿é¼ÓËٶȵĴóСa¡¢»¬¿é¾­¹ý¹âµçÃÅÒÒʱµÄ˲ʱËÙ¶Èv1¡¢²âÁ¿ÖµsºÍtËĸöÎïÀíÁ¿Ö®¼äËùÂú×ãµÄ¹ØϵʽÊÇ
s=v1t-
1
2
at2
s=v1t-
1
2
at2
£»
¢Ú¸ù¾Ý±íÖиø³öµÄÊý¾Ý£¬ÔÚͼ2¸ø³öµÄ×ø±êÖ½ÉÏ»­³ö
s
t
-tͼÏߣ»
¢ÛÓÉËù»­³öµÄs/t-tͼÏߣ¬µÃ³ö»¬¿é¼ÓËٶȵĴóСΪa=
1.15
1.15
m/s2£¨±£Áô2λÓÐЧÊý×Ö£©£®

ÔÚ¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±ÊµÑéÖУ¬

I. µÚÒ»×éͬѧÓôòµã¼ÆʱÆ÷°´ÕÕͼʾװÖýøÐÐʵÑ飬Ôò
£¨1£©¶ÔÓÚ×ÔÓÉÏÂÂäµÄÖØÎÏÂÊöÑ¡ÔñµÄÌõ¼þÄÄÖÖ¸üΪÓÐÀû?£¨ £©
A. Ö»Òª×ã¹»ÖؾͿÉÒÔ¡£
B. Ö»ÒªÌå»ý×㹻С¾Í¿ÉÒÔ¡£
C. ¼ÈÒª×ã¹»ÖØ£¬ÓÖÒªÌå»ý·Ç³£Ð¡¡£
D. ÒòΪ²»ÐèÒªÖªµÀ¶¯ÄܺÍÊÆÄܵľßÌåÊýÖµ£¬²»ÐèÒª²âÁ¿ÖØÎïµÄÖÊÁ¿£¬ËùÒÔ¶ÔÖØÎï¿ÉÈÎÒâÑ¡Ôñ¡£
£¨2£©ÒÑÖª´òµã¼ÆʱÆ÷ËùÓõçÔ´µÄƵÂÊΪ50Hz¡£²éµÃµ±µØµÄÖØÁ¦¼ÓËÙ¶Èg=9.80m£¯s2£¬²âµÃËùÓõÄÖØÎïµÄÖÊÁ¿Îª1.00kg¡£ÊµÑéÖеõ½Ò»Ìõµã¼£ÇåÎúµÄÖ½´ø£¬ÈçͼËùʾ£¬°ÑµÚÒ»¸öµã¼Ç×÷O£¬ÔÚÖ½´øÉÏÁíÈ¡Á¬Ðø4¸öµãA¡¢B¡¢C¡¢D×÷Ϊ²âÁ¿µÄµã£¬¾­²âÁ¿ÖªµÀA¡¢B¡¢C¡¢D¸÷µãµ½OµãµÄ¾àÀë·Ö±ðΪ62.99cm¡¢70.18cm¡¢77.76cm¡¢85.73cm¡£¸ù¾ÝÒÔÉÏÊý¾Ý£¬¿ÉÖªÖØÎïÓÉOµãÔ˶¯µ½Cµã£¬ÖØÁ¦ÊÆÄܼõÉÙÁ¿µÈÓÚ   J£¬¶¯ÄܵÄÔö¼ÓÁ¿µÈÓÚ   J¡££¨È¡3λÓÐЧÊý×Ö£©

II. µÚ¶þ×éͬѧÀûÓÃÏÂͼËùʾµÄʵÑé×°Öã¬ÑéÖ¤¹³ÂëºÍ»¬¿éËù×é³ÉµÄϵͳ´ÓÓɾ²Ö¹Êͷŵ½Í¨¹ý¹âµçÃÅÕâÒ»¹ý³Ì»úеÄÜÊغ㡣ʵÑ鿪ʼʱ£¬Æø¹ìÒѾ­µ÷³Éˮƽ״̬¡£

£¨1£©ÒÑÖªÕÚ¹âÌõµÄ¿í¶ÈΪd£¬ÊµÑéʱ½«»¬¿é´ÓͼʾλÖÃÓɾ²Ö¹ÊÍ·Å£¬ÓÉÊý×Ö¼ÆʱÆ÷¶Á³öÕÚ¹âÌõͨ¹ý¹âµçÃŵÄʱ¼äΪt£¬Ôò»¬¿é¾­¹ý¹âµçÃÅʱµÄËÙ¶ÈΪ                 ¡£
£¨2£©ÔÚ±¾´ÎʵÑéÖл¹ÐèÒª²âÁ¿µÄÎïÀíÁ¿ÓУ¨ÎÄ×Ö˵Ã÷²¢ÓÃÏàÓ¦µÄ×Öĸ±íʾ£©£º¹³ÂëµÄÖÊÁ¿m¡¢     ºÍ     ¡£
3£©±¾ÊµÑéͨ¹ý±È½Ï   ºÍ   £¨ÓòâÁ¿µÄÎïÀíÁ¿·ûºÅ±íʾ£©ÔÚʵÑéÎó²îÔÊÐíµÄ·¶Î§ÄÚÊÇ·ñÏàµÈ£¬´Ó¶øÑé֤ϵͳµÄ»úеÄÜÊÇ·ñÊغ㡣

ÔÚ¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±ÊµÑéÖУ¬

 I. µÚÒ»×éͬѧÓôòµã¼ÆʱÆ÷°´ÕÕͼʾװÖýøÐÐʵÑ飬Ôò

£¨1£©¶ÔÓÚ×ÔÓÉÏÂÂäµÄÖØÎÏÂÊöÑ¡ÔñµÄÌõ¼þÄÄÖÖ¸üΪÓÐÀû?£¨  £©

A. Ö»Òª×ã¹»ÖؾͿÉÒÔ¡£

B. Ö»ÒªÌå»ý×㹻С¾Í¿ÉÒÔ¡£

C. ¼ÈÒª×ã¹»ÖØ£¬ÓÖÒªÌå»ý·Ç³£Ð¡¡£

D. ÒòΪ²»ÐèÒªÖªµÀ¶¯ÄܺÍÊÆÄܵľßÌåÊýÖµ£¬²»ÐèÒª²âÁ¿ÖØÎïµÄÖÊÁ¿£¬ËùÒÔ¶ÔÖØÎï¿ÉÈÎÒâÑ¡Ôñ¡£

£¨2£©ÒÑÖª´òµã¼ÆʱÆ÷ËùÓõçÔ´µÄƵÂÊΪ50Hz¡£²éµÃµ±µØµÄÖØÁ¦¼ÓËÙ¶Èg=9.80m£¯s2£¬²âµÃËùÓõÄÖØÎïµÄÖÊÁ¿Îª1.00kg¡£ÊµÑéÖеõ½Ò»Ìõµã¼£ÇåÎúµÄÖ½´ø£¬ÈçͼËùʾ£¬°ÑµÚÒ»¸öµã¼Ç×÷O£¬ÔÚÖ½´øÉÏÁíÈ¡Á¬Ðø4¸öµãA¡¢B¡¢C¡¢D×÷Ϊ²âÁ¿µÄµã£¬¾­²âÁ¿ÖªµÀA¡¢B¡¢C¡¢D¸÷µãµ½OµãµÄ¾àÀë·Ö±ðΪ62.99cm¡¢70.18cm¡¢77.76cm¡¢85.73cm¡£¸ù¾ÝÒÔÉÏÊý¾Ý£¬¿ÉÖªÖØÎïÓÉOµãÔ˶¯µ½Cµã£¬ÖØÁ¦ÊÆÄܼõÉÙÁ¿µÈÓÚ    J£¬¶¯ÄܵÄÔö¼ÓÁ¿µÈÓÚ    J¡££¨È¡3λÓÐЧÊý×Ö£©

II. µÚ¶þ×éͬѧÀûÓÃÏÂͼËùʾµÄʵÑé×°Öã¬ÑéÖ¤¹³ÂëºÍ»¬¿éËù×é³ÉµÄϵͳ´ÓÓɾ²Ö¹Êͷŵ½Í¨¹ý¹âµçÃÅÕâÒ»¹ý³Ì»úеÄÜÊغ㡣ʵÑ鿪ʼʱ£¬Æø¹ìÒѾ­µ÷³Éˮƽ״̬¡£

£¨1£©ÒÑÖªÕÚ¹âÌõµÄ¿í¶ÈΪd£¬ÊµÑéʱ½«»¬¿é´ÓͼʾλÖÃÓɾ²Ö¹ÊÍ·Å£¬ÓÉÊý×Ö¼ÆʱÆ÷¶Á³öÕÚ¹âÌõͨ¹ý¹âµçÃŵÄʱ¼äΪt£¬Ôò»¬¿é¾­¹ý¹âµçÃÅʱµÄËÙ¶ÈΪ                  ¡£

£¨2£©ÔÚ±¾´ÎʵÑéÖл¹ÐèÒª²âÁ¿µÄÎïÀíÁ¿ÓУ¨ÎÄ×Ö˵Ã÷²¢ÓÃÏàÓ¦µÄ×Öĸ±íʾ£©£º¹³ÂëµÄÖÊÁ¿m¡¢      ºÍ      ¡£

3£©±¾ÊµÑéͨ¹ý±È½Ï    ºÍ    £¨ÓòâÁ¿µÄÎïÀíÁ¿·ûºÅ±íʾ£©ÔÚʵÑéÎó²îÔÊÐíµÄ·¶Î§ÄÚÊÇ·ñÏàµÈ£¬´Ó¶øÑé֤ϵͳµÄ»úеÄÜÊÇ·ñÊغ㡣

 

£¨1£©ÊµÑéÊÒ³£Óõĵç´Åʽ´òµã¼ÆʱÆ÷ÓõÄÊǵÍѹ½»Á÷µçÔ´£¬´òµãƵÂÊΪ50HZ£®Ä³´ÎʵÑéÁ¬Ðø´òÁËһϵÁеãµÄÖ½´øÈçÏÂͼ£¬ÓÉ´Ë¿ÉÒÔÅжϣ¬Õâ¶ÎÖ½´øµÄÔ˶¯ÊôÓÚ    £¨Ìî¡°ÔÈËÙ¡±¡¢¡°ÔȱäËÙ¡±£©Ö±ÏßÔ˶¯£¬Ö½´øÉÏAB¶ÎÔ˶¯µÄʱ¼ät=    s£¬AB¶ÎµÄƽ¾ùËٶȠ   m/s£¨¼ÆËã½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©

£¨2£©ÀûÓÃͼ1ËùʾµÄ×°ÖÿɲâÁ¿»¬¿éÔÚбÃæÉÏÔ˶¯µÄ¼ÓËٶȣ®Ò»Ð±ÃæÉÏ°²×°ÓÐÁ½¸ö¹âµçÃÅ£¬ÆäÖйâµçÃÅÒҹ̶¨ÔÚбÃæÉÏ¿¿½üµ×¶Ë´¦£¬¹âµçÃż׵ÄλÖÿÉÒƶ¯£¬µ±Ò»´øÓÐÕÚ¹âƬµÄ»¬¿é×ÔбÃæÉÏ»¬ÏÂʱ£¬ÓëÁ½¸ö¹âµçÃŶ¼ÏàÁ¬µÄ¼ÆʱÆ÷¿ÉÒÔÏÔʾ³öÕÚ¹âƬ´Ó¹âµçÃż×ÖÁÒÒËùÓõÄʱ¼ät£®¸Ä±ä¹âµçÃż׵ÄλÖýøÐжà´Î²âÁ¿£¬Ã¿´Î¶¼Ê¹»¬¿é´ÓͬһµãÓɾ²Ö¹¿ªÊ¼Ï»¬£¬²¢ÓÃÃ׳߲âÁ¿¼×¡¢ÒÒÖ®¼äµÄ¾àÀës£¬¼ÇÏÂÏàÓ¦µÄtÖµ£»ËùµÃÊý¾ÝÈçϱíËùʾ£®
s£¨m£©0.5000.6000.7000.8000.9000.950
t£¨ms£©292.9371.5452.3552.8673.8776.4
s/t£¨m/s£©1.711.621.551.451.341.22
Íê³ÉÏÂÁÐÌî¿ÕºÍ×÷ͼ£º
¢ÙÒÑÖª»¬¿éÑØбÃæÏ»¬Ê±×öÔȼÓËÙÔ˶¯£¬»¬¿é¼ÓËٶȵĴóСa¡¢»¬¿é¾­¹ý¹âµçÃÅÒÒʱµÄ˲ʱËÙ¶Èv1¡¢²âÁ¿ÖµsºÍtËĸöÎïÀíÁ¿Ö®¼äËùÂú×ãµÄ¹ØϵʽÊÇ    £»
¢Ú¸ù¾Ý±íÖиø³öµÄÊý¾Ý£¬ÔÚͼ2¸ø³öµÄ×ø±êÖ½ÉÏ»­³ö-tͼÏߣ»
¢ÛÓÉËù»­³öµÄs/t-tͼÏߣ¬µÃ³ö»¬¿é¼ÓËٶȵĴóСΪa=    m/s2£¨±£Áô2λÓÐЧÊý×Ö£©£®

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

¾«Ó¢¼Ò½ÌÍø