£¨1£©ÈçÓÒͼÊÇÒ»¸öµ¥°ÚµÄ¹²ÕñÇúÏߣ¬´Ëµ¥°ÚµÄ¹ÌÓÐÖÜÆÚTÊÇ________s£¬Èô½«´Ëµ¥°ÚµÄ°Ú³¤Ôö´ó£¬¹²ÕñÇúÏßµÄ×î´óÖµ½«_______(Ìî¡°Ïò×ó¡±»ò¡°ÏòÓÒ¡±)Òƶ¯¡£

£¨2£©ÈçͼËùʾ£¬ÔÚÑîÊÏË«·ì¸ÉÉæʵÑéÖУ¬¼¤¹âµÄ²¨³¤Îª5.30¡Á10-7m,ÆÁÉÏPµã¾àË«·ìS1ºÍS2µÄ·³Ì²îΪ7.95¡Á10-7m.ÔòÔÚÕâÀï³öÏÖµÄÓ¦ÊÇ      £¨Ñ¡Ìî¡°Ã÷ÌõÎÆ¡±»ò¡°°µÌõÎÆ¡±£©¡£ÏÖ¸ÄÓò¨³¤Îª4.30¡Á10-7mµÄ¼¤¹â½øÐÐÉÏÊöʵÑ飬±£³ÖÆäËûÌõ¼þ²»±ä£¬ÔòÆÁÉϵÄÌõÎƼä¾à½«       £¨Ñ¡Ìî¡°±ä¿í¡±¡¢¡°±äÕ­¡±¡¢»ò¡°²»±ä¡±¡£
£¨1£©2.5£»Ïò×ó£¨2£©°µÌõÎÆ£¬±äÕ­
±¾Ì⿼²éµÄÊǹ²ÕñÇúÏßµÄÀí½âºÍ²¨µÄ¸ÉÉæÏÖÏóÎÊÌâ¡£ÓÐͼÏñ¿ÉÖª£¬¹ÌÓÐƵÂÊ£¬ËùÒÔ£¬°Ú³¤Ôö´ó£¬ÔòÖÜÆÚÔö´ó£¬ÆµÂʼõС£¬¹²ÕñÇúÏß×î´óÖµÏò×óÒƶ¯£»
µÚ¶þÎÊ£¬¸ù¾Ý³öÏÖÃ÷°µÌõÎƵÄÌõ¼þ¿ÉÒÔÅжϳö£¬µÚÒ»¸ö¿ÕÊÇ°µÌõÎÆ£¬²¨³¤±ä¶Ì£¬ÌõÎƼä¾à±äС¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

£¨6·Ö£©¡°²âÁ¿Ö½´øÔ˶¯¼ÓËٶȡ±ÊµÑéÖÐÀûÓôòµã¼ÆʱÆ÷µÃµ½Ò»ÌõÖ½´ø£¬Ö½´øÉÏ A¡¢B¡¢C¡¢D¡¢E¡¢F¡¢GÕâЩµãµÄ¼ä¾àÈçͼÖбêʾ£¬ÆäÖÐÿÏàÁÚÁ½µã¼ä»¹ÓÐ4¸öµãδ»­³ö¡£¸ù¾Ý²âÁ¿½á¹û¼ÆË㣺(1)´òCµãʱֽ´øµÄËٶȴóС£º_______________m/s£»(2)Ö½´øÔ˶¯µÄ¼ÓËٶȴóС£º________________m/s2¡£(½á¹û±£Áô3λÓÐЧÊý×Ö)

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ͨ¹ý´òµã¼ÆʱÆ÷µÃµ½µÄÒ»Ìõ´òµãÖ½´øÉϵĵ㼣·Ö²¼²»¾ùÔÈ£¬ÏÂÁÐÅжÏÕýÈ·µÄÊÇ£¨   £©
A£®µã¼£Ãܼ¯µÄµØ·½ÎïÌåÔ˶¯µÄËٶȱȽϴó
B£®µã¼£Ãܼ¯µÄµØ·½ÎïÌåÔ˶¯µÄËٶȱȽÏС
C£®µã¼£²»¾ùÔÈ˵Ã÷ÎïÌå×ö±äËÙÔ˶¯
D£®µã¼£²»¾ùÔÈ˵Ã÷´òµã¼ÆʱÆ÷ÓйÊÕÏ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ͼ15ΪÑéÖ¤»úеÄÜÊغ㶨ÂɵÄʵÑé×°ÖÃʾÒâͼ£®ÏÖÓеÄÆ÷²ÄΪ£º´øÌú¼ÐµÄÌú¼Ų̈¡¢µç´Å´òµã¼ÆʱÆ÷¡¢Ö½´ø¡¢´øÌú¼ÐµÄÖØ´¸¡¢Ììƽ£®»Ø´ðÏÂÁÐÎÊÌ⣺
(1)ΪÍê³É´ËʵÑ飬³ýÁËËù¸øµÄÆ÷²Ä£¬»¹ÐèÒªµÄÆ÷²ÄÓÐ________£®
(ÌîÈëÕýÈ·ÏîÇ°µÄ×Öĸ)                                                         
A£®Ã׳ßB£®Ãë±íͼ15
C£®0¡«12 VµÄÖ±Á÷µçÔ´D£®0¡«12 VµÄ½»Á÷µçÔ´

(2)ʵÑéÖÐÎó²î²úÉúµÄÔ­ÒòÓÐ(д³öÁ½¸öÔ­Òò)
__________________________________________£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ÔÚÓÃб²Û¹ìµÀ×ö¡°Ñо¿Æ½Å×ÎïÌåÔ˶¯¡±µÄʵÑéÖУ¬ (ÒÑÖªÖØÁ¦¼ÓËÙ¶ÈΪg)
ÈôÓÃÒ»ÕÅÓ¡ÓÐС·½¸ñµÄÖ½¼Ç¼¹ì¼££¬ÈçͼËùʾ£®Ëû²â³öС·½¸ñµÄ±ß³¤ÎªL£¬ÓÖ͸¹ý·½¸ñÖ½ÔÚСÇòµÄÔ˶¯¹ì¼£ÉÏÈ¡ÁËa¡¢b¡¢cÈý¸öÊý¾Ýµã£¬ÓÉ´Ë¿É֪СÇò´Óaµãµ½bµãÔ˶¯µÄʱ¼ä__¢Ù__(Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±)
СÇò´Óbµãµ½cµãµÄÔ˶¯Ê±¼ä£¬
СÇò´Óaµ½bÔ˶¯µÄʱ¼äΪ____¢Ú____£¬
СÇò×öƽÅ×Ô˶¯µÄ³õËÙ¶ÈΪ____¢Û____£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

£¨1£©£¨4·Ö£©ÔÚ¡°Ì½¾¿ÇóºÏÁ¦µÄ·½·¨¡±µÄʵÑéÖУ¬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ        ¡£
A£®ÔÚ²âÁ¿Í¬Ò»×éÊý¾ÝF1¡¢F2ºÍºÏÁ¦FµÄ¹ý³ÌÖУ¬ÏðƤÌõ½áµãOµÄλÖò»Äܱ仯
B£®ÓÃͼʾ·¨×÷³ö¸÷Á¦µÄ´óСºÍ·½Ïòʱ£¬±ØÐë²ÉÓÃÏàͬµÄ±ê¶È
C£®ÈôF1¡¢F2·½Ïò²»±ä£¬¶ø´óС¸÷Ôö¼Ó1N£¬ÔòºÏÁ¦µÄ´óСҲһ¶¨Ôö¼Ó1N
D£®Îª¼õС²âÁ¿Îó²î£¬F1¡¢F2·½Ïò¼ä¼Ð½ÇӦΪ90¡ã
£¨2£©£¨6·Ö£©ÔÚ¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±µÄʵÑéÖУ¬ÖØ´¸Ç£ÒýÒ»ÌõÖ½´ø×ÔÓÉÏÂÂ䣬´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´ò³öһϵÁÐÇåÎúµÄµã£¬ÈçÏÂͼËùʾ£¬¼ÇϵÚÒ»¸öµãµÄλÖÃO£¬²¢ÔÚÖ½´øÉÏÁ¬ÐøÈ¡3¸öÏàÁڵĵ㣬°´Ê±¼ä˳ÐòÒÀ´Î±êΪA¡¢B¡¢C£¬Á¿³öA¡¢B¼äµÄ¾àÀëΪ£¬B¡¢C¼äµÄ¾àÀëΪ£¬O¡¢B¼äµÄ¾àÀëΪ£¬ÏàÁÚÁ½µã¼äµÄʱ¼ä¼ä¸ô¾ùΪT£¬ÖØÁ¦¼ÓËÙ¶ÈΪ¡£Èç¹ûÖØ´¸ÏÂÂä¹ý³ÌÖлúеÄÜÊغ㣬ÄÇô£¬±¾ÊµÑéµÄÕâЩ²âÁ¿Êý¾ÝÒªÂú×ãµÄ¹ØϵʽӦΪ________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

ÔÚÑéÖ¤»úеÄÜÊغ㶨ÂɵÄʵÑéÖУ¬ÖÊÁ¿m=1.00kgµÄÖØÎï×ÔÓÉÏÂÂ䣬´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´ò³öһϵÁе㣮ÈçͼËùʾΪѡȡµÄÒ»Ìõ·ûºÏʵÑéÒªÇóµÄÖ½´ø£¬OΪµÚÒ»¸öµã£¬A¡¢B¡¢CΪ´ÓºÏÊÊλÖÿªÊ¼Ñ¡È¡µÄÈý¸öÁ¬Ðøµã£¨ÆäËûµãδ»­³ö£©£®ÒÑÖª´òµã¼ÆʱÆ÷ÿ¸ô0.02 s´òÒ»´Îµã£¬µ±µØµÄÖØÁ¦¼ÓËÙ¶Èg="9." 80m/s2£®ÄÇô£º
¢Ù ¸ù¾ÝͼÉÏËùµÃµÄÊý¾Ý£¬Ó¦È¡Í¼ÖÐOµãºÍ      µãÀ´ÑéÖ¤»úеÄÜÊغ㶨ÂÉ
¢Ú ´ÓOµãµ½ËùÈ¡µã£¬ÖØÎïµÄÖØÁ¦ÊÆÄܼõÉÙÁ¿=               J£¬¶¯ÄÜÔö¼ÓÁ¿
=           J£»(½á¹ûÈ¡3λÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

(4·Ö)ÑéÖ¤»úеÄÜÊغ㶨ÂɵÄʵÑé²ÉÓÃÖØÎï×ÔÓÉÏÂÂäµÄ·½·¨£»
£¨1£©ÈôʵÑéÖÐËùÓÃÖØ´¸ÖÊÁ¿m=1kg£®´òµãÖ½´øÈçÏÂͼËùʾ£®´òµãʱ¼ä¼ä¸ôΪ0.02s£¬Ôò¼Ç¼BµãʱÖØ´¸µÄ¶¯ÄÜΪ           £¬´Ó¿ªÊ¼ÏÂÂäµ½Bµã£¬ÖØ´¸µÄÖØÁ¦ÊÆÄܼõÉÙÁ¿Îª            £®£¨±£ÁôÈýλСÊý£©Òò´Ë¿ÉÒԵóöµÄ½áÂÛÊÇ£®                             
                                                                        
  

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

Èçͼʵ£­2£­7ËùʾÊǼס¢ÒÒÁ½Î»Í¬Ñ§ÔÚ¡°Ì½¾¿Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑéÖÐËùµÃµ½µÄʵÑé½á¹û£¬ÈôÓÃF±íʾÁ½¸ö·ÖÁ¦F1¡¢F2µÄºÏÁ¦£¬ÓÃF¡ä±íʾF1ºÍF2µÄµÈЧÁ¦£¬Ôò¿ÉÒÔÅжÏ________(Ìî¡°¼×¡±»ò¡°ÒÒ¡±)ͬѧµÄʵÑé½á¹ûÊÇ·ûºÏÊÂʵµÄ£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸