ÈçͼΪÑéÖ¤»úеÄÜÊغ㶨ÂɵÄʵÑé×°ÖÃʾÒâͼ£®»Ø´ðÏÂÁÐÎÊÌ⣺

(1)ÏÂÃæÁоÙÁ˸ÃʵÑéµÄ¼¸¸ö²Ù×÷²½Ö裺
A£®°´ÕÕͼʾµÄ×°Öð²×°Æ÷²Ä¡£
B£®½«´òµã¼ÆʱÆ÷½Óµ½µçÔ´µÄ¡°Ö±Á÷Êä³ö¡±ÉÏ¡£
C£®ÓÃÌìƽ²â³öÖØ´¸µÄÖÊÁ¿¡£
D£®ÏȽÓͨµçÔ´£¬ºóÊÍ·ÅÖ½´ø£¬´ò³öÒ»ÌõÖ½´ø£¬ÔÙ¸ü»»Ö½´øÖظ´¶à´Î¡£
E£®Ñ¡ÔñÒ»ÌõºÏÊʵÄÖ½´ø£¬²âÁ¿Ö½´øÉÏijЩµã¼äµÄ¾àÀë
F£®¸ù¾Ý²âÁ¿µÄ½á¹û¼ÆËãÖØ´¸ÏÂÂä¹ý³ÌÖмõÉÙµÄÖØÁ¦ÊÆÄÜÊÇ·ñµÈÓÚÔö¼ÓµÄ¶¯ÄÜ¡£
ÆäÖвÙ×÷²»µ±µÄ²½ÖèÊÇ____________£¬·Ç±ØÐèµÄ²½ÖèÊÇ____________¡£
(2) Èç¹ûÒÔv2Ϊ×ÝÖᣬÒÔhΪºáÖᣬ¸ù¾ÝʵÑéÊý¾Ý»æ³öµÄv2¡ªhͼÏ󣬸ÃͼÏóÊÇ¡¡¡¡_________£¬¸ÃͼÏßµÄбÂʵÈÓÚ_____________________¡£
(1£©B C£¨2£©¹ýÔ­µãµÄÇãбֱÏߣ¬ 2g »ò19.6m/s2»ò20m/s2

ÊÔÌâ·ÖÎö£º£¨1£©´òµã¼ÆʱÆ÷µÄ¹¤×÷µçÔ´¶¼Êǽ»Á÷µçÔ´£¬B´íÎó
ÒòΪ£¬Á½±ßÖÊÁ¿µÖÏûµôÁË£¬¹Ê²»ÐèÒªÌìƽ£¬C´íÎó
¹ÊÑ¡BC
£¨2£©Óɿɵã¬ËùÒÔͼÏñΪһÌõ¹ýÔ­µãµÄÖ±Ïߣ¬ÆäбÂÊ
µãÆÀ£ºÕÆÎÕʵÑéÔ­Àí£¬ÊÇÎÒÃÇÕýÈ··ÖÎöʵÑ飬½øÐÐʵÑéµÄÖØÒªÊÖ¶Î
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

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

ÓÐÒ»Óα꿨³ß£¬Ö÷³ßµÄ×îС·Ö¶ÈÊÇ1mm£¬ÓαêÉÏÓÐ20¸öСµÄµÈ·Ö¿Ì¶È£®ÓÃËü²âÁ¿Ò»Ð¡ÇòµÄÖ±¾¶£¬Èçͼ¼×Ëùʾ£¬¶ÁÊýÊÇ      mm£®ÓÃÂÝÐý²â΢Æ÷²âÁ¿Ò»¸ù½ðÊôË¿µÄÖ±¾¶£¬ÈçͼÒÒËùʾµÄ¶ÁÊýÊÇ      mm£®
       

²é¿´´ð°¸ºÍ½âÎö>>

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

ͼÊÇijͬѧÔÚÑо¿Ð¡³µ×öÔȱäËÙÖ±ÏßÔ˶¯µÄ¹æÂÉʱ£¬Óôòµã¼ÆʱÆ÷´ò³öµÄÒ»ÌõÖ½´øµÄʾÒâͼ¡£Í¼ÖÐA¡¢B¡¢C¡¢D¡¢EÊÇ°´´òµãÏȺó˳ÐòÒÀ´ÎÑ¡È¡µÄ¼ÆÊýµã£¬ÏàÁÚ¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôT=0.10s¡£¸ù¾ÝÖ½´øÉϵĵ㼣¿ÉÅжÏС³µ×ö            £¨Ñ¡Ìî¡°¼ÓËÙ¡±»ò¡°¼õËÙ¡±£©Ô˶¯£»¼ÆÊýµãB¡¢D¼äËù¶ÔÓ¦µÄʱ¼äÄÚС³µÆ½¾ùËٶȵĴóСΪ         m/s¡£

²é¿´´ð°¸ºÍ½âÎö>>

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

£¨1£©ÈçͼÊÇÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò×°Ö㬽«Ò»¸ùÏðƤ½îµÄÒ»¶Ë¹Ì¶¨ÔÚAÉÏ£®µÚÒ»´Îͨ¹ýϸÏßÐüµõ4¸ö¹³Âëʱ£¬ÏðƤ½îµÄÁíÒ»¶Ë±»À­Éìµ½O´¦(ͼ¼×)£»µÚ¶þ´ÎÔÚľ°åÉϹ̶¨ÁËÁ½¸ö¹â»¬Ð¡ÂÖBºÍC£¬Ï¸Ïßͨ¹ýÁ½ÂÖ·Ö±ðÐü¹Ò2¸öºÍ3¸ö¹³Â룬·¢ÏÖÏðƤ½îÑØAO·½ÏòÉ쳤µ«ÁíÒ»¶ËO¡äÓëO»¹Î´ÖغÏ(ͼÒÒ)£®

¢ÙΪÁËʹO¡äÓëOµãÄܹ»Öغϣ¬ËûÓ¦¸Ã½«Ð¡ÂÖB¡¢CÊʵ±Ïò       £¨Ìî¡°ÉÏ·½¡±»ò¡°Ï·½¡±£©Òƶ¯£»
¢ÚʵÑé¹ý³Ì³ý¼Ç¼ÏðƤ½îÓëϸÏß½áµãµÄλÖÃOÍ⣬»¹Ðè¼Ç¼                         ºÍ                        .
£¨2£©Ä³Ñ§Ï°Ð¡×é×ö̽¾¿ÍâÁ¦×ö¹¦ÓëÎïÌ嶯Äܱ仯µÄ¹ØϵʵÑ飬ÔÚʵÑéÊÒ×é×°ÁËÒ»Ì×ÈçͼËùʾµÄ×°Öã¬ËûÃÇÕÒµ½ÁË´òµã¼ÆʱÆ÷¡¢Ñ§ÉúµçÔ´¡¢µ¼Ïß¡¢¸´Ð´Ö½¡¢Ö½´ø¡¢Ð¡Ä¾¿é¡¢Ï¸É³¡¢ÌìƽºÍ¿Ì¶È³ßµÈ¡£ÈôÄãÊÇС×éÖеÄһλ³ÉÔ±£¬Íê³É¸ÃÏîʵÑéµÄÁ½¸ö²½Ö裺

¢Ùµ±»¬¿éÁ¬½ÓÉÏÖ½´ø£¬ÓÃϸÏßͨ¹ý»¬ÂÖ¹ÒÉÏСɳͰʱ£¬ÏÈ        £¬ÔÙ        £¨Ìî¡°ÊÍ·ÅɳͰ¡±»ò¡°½ÓͨµçÔ´¡±£©£¬Ê¹»¬¿é´ø¶¯Ö½´øÔÚľ°åÉÏÔ˶¯£»
¢ÚʵÑéʱÈÏΪºÏÍâÁ¦ÓëɳͰµÄ×ÜÖØÁ¦´óС»ù±¾ÏàµÈ£¬ÓÃÌìƽ³ÆÁ¿»¬¿éµÄÖÊÁ¿ÎªM£¬ÍùɳͰÖÐ×°ÈëÊÊÁ¿µÄϸɳ£¬ÓÃÌìƽ³Æ³ö´ËʱɳºÍɳͰµÄ×ÜÖÊÁ¿Îªm£¬ÈÃɳͰ´ø¶¯»¬¿é¼ÓËÙÔ˶¯¡£Óôòµã¼ÆʱÆ÷¼Ç¼ÆäÔ˶¯Çé¿ö£¬ÔÚ´òµã¼ÆʱÆ÷´ò³öµÄÖ½´øÉÏÈ¡Á½µã£¬²â³öÕâÁ½µãµÄ¼ä¾àLºÍÕâÁ½µãµÄËٶȴóСv1Óëv2(v1£¼v2)¡£Ôò±¾ÊµÑé×îÖÕÒªÑéÖ¤µÄÊýѧ±í´ïʽΪ£º______________________________________¡££¨ÓÃÌâÖеÄ×Öĸ±íʾʵÑéÖвâÁ¿µÃµ½µÄÎïÀíÁ¿£©

²é¿´´ð°¸ºÍ½âÎö>>

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

£¨1£©Í¼£¨a£©Îª¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±µÄʵÑé×°ÖÃʾÒâͼ£¬ÏÖÓеÄÆ÷²ÄΪ£ºÌú¼Ų̈¡¢µç´Å´òµã¼ÆʱÆ÷¡¢Ö½´ø¡¢¸´Ð´Ö½¡¢Ö±³ß¡¢´øÌú¼ÐµÄÖØÎΪÍê³É±¾ÊµÑ飬³ýÁËËù¸øµÄÆ÷²Ä£¬»¹ÐèÒª4¡«6V_____µçÔ´£¨ÌîÖ±Á÷»ò½»Á÷£©
£¨2£©ÔÚʵÑéÖУ¬ÒÑÖªµç´Å´òµã¼ÆʱÆ÷¹¤×÷ÖÜÆÚT=0.02S£¬×ÔÓÉÏÂÂäµÄÖØÎïÖÊÁ¿m=2kg£¬Èçͼ£¨b£©ËùʾΪijͬѧʵÑéºóÑ¡³öµÄÒ»ÌõÀíÏëµÄÖ½´ø£¬OµãÊÇ´ò³öµÄµÚÒ»¸öµã£¬A¡¢B¡¢CÊÇÔÚÖ½´øÉÏÈ¡³öµÄÈý¸ö¼ÆÊýµã£¬AB¡¢BC¼ä¸÷ÓÐÒ»¸öµãδ»­³ö¡£¾­²âµÃA¡¢B¡¢CÈýµãµ½OµãµÄ¾àÀë·Ö±ðΪ£ºS1=12.9cm£¬S2=20.5cm£¬S3=28.9cm£¬g=10m/s2£¬Íê³ÉÒÔÏÂÎÊÌ⣺£¨¼ÆËã½á¹û¾ù±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

¢ÙÖ½´øµÄ______¶ËÓëÖØ´¸Á¬½Ó£¨Ìî×ó»òÓÒ£©¡£
¢Ú´òµã¼ÆʱÆ÷´òϼÆÊýµãBʱ£¬ÎïÌåµÄËÙ¶ÈvB=_________m/s¡£
¢Û´ÓÆðµãOµ½´òϼÆÊýµãBµÄ¹ý³ÌÖУ¬ÖØÁ¦ÊÆÄܵļõÉÙÁ¿¡÷EP=________J£¬´Ë¹ý³ÌÖÐÎïÌ嶯ÄܵÄÔöÁ¿¡÷EK=__________J¡£

²é¿´´ð°¸ºÍ½âÎö>>

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

ÔÚÀûÓÃÖØ´¸ÏÂÂäÑéÖ¤»úеÄÜÊغ㶨ÂɵÄʵÑéÖУº
£¨1£©ÓÐÏÂÁÐÆ÷²Ä¿É¹©Ñ¡ÓãºÖØ´¸£¬Ìú¼Ų̈£¬Ììƽ£¬Ãë±í£¬µç´Å´òµã¼ÆʱÆ÷£¬¸´Ð´Ö½£¬Ö½´ø£¬µÍѹֱÁ÷µçÔ´¡£ÆäÖв»±ØÒªµÄÆ÷²ÄÓР               £»È±ÉÙµÄÆ÷²ÄÊÇ               ¡£
£¨2£©ÊµÑéÖÐÓôòµã¼ÆʱÆ÷´ò³öµÄÖ½´øÈçÏÂͼËùʾ£¬ÆäÖУ¬AΪ´òϵĵÚ1¸öµã£¬C¡¢D¡¢E¡¢FΪ¾àA½ÏÔ¶µÄÁ¬ÐøÑ¡È¡µÄËĸöµã£¨ÆäËûµãδ±ê³ö£©¡£Óÿ̶ȳßÁ¿³öC¡¢D¡¢E¡¢Fµ½AµÄ¾àÀë·Ö±ðΪs1=20.06cm£¬s2=24.20cm£¬s3=28.66cm£¬s4=33.60cm¡£ÖØ´¸µÄÖÊÁ¿Îªm=1.00kg£»´òµãÖÜÆÚΪT=0.02s£»ÊµÑéµØµãµÄÖØÁ¦¼ÓËÙ¶ÈΪg=9.80m/s2¡£ÎªÁËÑéÖ¤´òÏÂAµãµ½´òÏÂDµã¹ý³ÌÖÐÖØ´¸µÄ»úеÄÜÊغ㣬Ӧ¼ÆËã³ö£º´òÏÂDµãʱÖØ´¸µÄËÙ¶Èv=__         (ÓÃÌâÓè×Ö·û±í´ï)=__       m/s£¬ÖØ´¸ÖØÁ¦ÊÆÄܵļõÉÙÁ¿¦¤Ep=    _(ÓÃÌâÓè×Ö·û±í´ï)=____J£¬ÖØ´¸¶¯ÄܵÄÔö¼ÓÁ¿ =__        __(ÓÃÌâÓè×Ö·û±í´ï)=__  __J¡££¨Ð¡Êýµãºó±£Áô2λÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

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

ÓÃÂäÌåÔ˶¯ÑéÖ¤»úеÄÜÊغ㶨ÂɵÄʵÑ飮
(1)Ϊ½øÐиÃʵÑ飬±¸ÓÐÏÂÁÐÆ÷²Ä¿É¹©Ñ¡Ôñ£ºAÌú¼Ų̈¡¢B(µç´Å)´òµã¼ÆʱÆ÷¡¢C¸´Ð´Ö½Æ¬¡¢DÖ½´ø¡¢EµÍѹ½»Á÷µçÔ´¡¢FÌìƽ¡¢GÃë±í¡¢Hµ¼Ïß¡¢IÖØ´¸£®ÆäÖв»±ØÒªµÄÆ÷²ÄÊÇ___________(Ìî¶ÔÓ¦µÄ×Öĸ)£®È±ÉÙµÄÆ÷²ÄÊÇ_____________________¡£
(2)ÈôʵÑéÖÐËùÓÃÖØÎïµÄÖÊÁ¿m£½1kg£¬´òµãʱ¼ä¼ä¸ôΪ0.02s£¬´ò³öµÄÖ½´øÈçͼËùʾ£¬OΪÆðµã£¬A¡¢B¡¢C¡¢DΪÏàÁڵļ¸µã£¬²âµÄOA£½0.78cm¡¢OB£½1.79cm¡¢OC£½3.14cm¡¢OD£½4.90cm£¬²é³öµ±µØµÄÖØÁ¦¼ÓËÙ¶Èg£½9.80m/s2£¬ÔòÖØÎïÔÚBµãʱµÄ¶¯ÄÜEkB£½_______J¡£´Ó¿ªÊ¼ÏÂÂäµ½BµãµÄ¹ý³ÌÖУ¬ÖØÎïµÄÖØÁ¦ÊÆÄܼõÉÙÁ¿ÊÇ________J£¬Óɴ˵óöµÄ½áÂÛÊÇ__________________________£®£¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

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

¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±µÄʵÑé¿ÉÒÔ²ÉÓÃÈçͼËùʾµÄ(¼×)»ò(ÒÒ)·½°¸À´½øÐС£

£¨1£©±È½ÏÕâÁ½ÖÖ·½°¸£¬­­­­­­­­­­­­­­­­­­­­­­­­­­_____    ­­­­­­­­(Ìî¡°¼×¡±»ò¡°ÒÒ¡±)·½°¸ºÃЩ£¬Ö÷ÒªÀíÓÉÊÇ       ¡£
£¨2£©Ä³Ð¡×éµÄͬѧѡÓÃͼ¼×µÄ·½°¸ÊµÑ飬½øÐÐÁËÈçϲÙ×÷,ÆäÖдíÎóµÄÊÇ    ¡£
A£®½«´òµã¼ÆʱÆ÷ÊúÖ±¹Ì¶¨ÔÚÌú¼Ų̈ÉÏ¡£
B£®½«³¤Ô¼0.5mµÄÖ½´øÓÃС¼Ð×ӹ̶¨ÔÚÖØÎïÉϺ󴩹ý´òµã¼ÆʱÆ÷£¬ÓÃÊÖÌá×ÅÖ½´ø£¬Ê¹ÖØÎï¾²Ö¹ÔÚ¿¿½ü´òµã¼ÆʱÆ÷µÄµØ·½¡£
C£®ÏÈËÉ¿ªÖ½´ø£¬ÔÙ½ÓͨµçÔ´£¬ÈÃÖØÎï×ÔÓÉÏÂÂ䣬´òµã¼ÆʱÆ÷¾ÍÔÚÖ½´øÉÏ´òÏÂһϵÁеĵ㡣
D£®»»¼¸ÌõÖ½´ø£¬Öظ´ÉÏÃæʵÑé¡£
E£®ÔÚ´ò³öµÄÖ½´øÖÐÌôÑ¡µÚÒ»¡¢µÚ¶þÁ½µã¼ä¾à½Ó½ü2mm£¬Çҵ㼣Çå³þµÄÖ½´ø½øÐвâÁ¿£¬ÏȼÇÏÂOµã£¨µÚÒ»¸öµã£©µÄλÖã¬ÔÙ´ÓºóÃæ½ÏÇåÎúµÄÈÎÒâµã¿ªÊ¼ÒÀ´ÎÔÙÈ¡Ëĸö¼ÆÊýµãA¡¢B¡¢C¡¢D£¬Çó³öÏàӦλÖöÔÓ¦µÄËٶȼ°ÆäÏÂÂäµÄ¸ß¶È¡£
F£®½«²âÁ¿Êý¾Ý¼°¼ÆËã½á¹ûÌîÈë×Ô¼ºÉè¼ÆµÄ±í¸ñÖС£
G£®¸ù¾ÝÒÔÉϲâµÃÊý¾Ý¼ÆËãÖØÁ¦ÊÆÄܵļõÉÙÁ¿ºÍ¶ÔÓ¦µÄ¶¯ÄܵÄÔö¼ÓÁ¿£¬ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡£
£¨3£©Ñ¡³öÒ»ÌõÖ½´øÈçͼËùʾ£¬ÆäÖÐOµãΪÆðµã£¬A¡¢B¡¢CΪÈý¸ö¼ÆÊýµã£¬´òµã¼ÆʱÆ÷´òµãÖÜÆÚΪ0.02s£¬ÓÃ×îС¿Ì¶ÈΪmmµÄ¿Ì¶È³ß£¬²âµÃOA=11.13cm£¬OB=17.69cm£¬OC=25.9cm¡£ÕâÈý¸öÊý×ÖÖв»·ûºÏÓÐЧÊý×ÖÒªÇóµÄÊÇ         £¬ÖØ´¸µÄÖÊÁ¿Îªm=0.2kg£¬¸ù¾ÝÒÔÉÏÊý¾Ý£¬Çóµ±´òµãÕë´òµ½BµãʱÖØ´¸µÄÖØÁ¦ÊÆÄܱȿªÊ¼ÏÂÂäʱ¼õÉÙÁË            J£»ÕâʱËüµÄ¶¯ÄÜÔö¼ÓÁ¿ÊÇ         J¡££¨gÈ¡10m/s2£¬½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©

£¨4£©ÊµÑéÖÐÍùÍù³öÏÖÖØ´¸¶¯ÄܵÄÔö¼ÓÁ¿Ð¡ÓÚÖØÁ¦ÊÆÄܵļõÉÙÁ¿µÄÇé¿ö£¬ÆäÖ÷ÒªÔ­ÒòÊÇ              ¡£

²é¿´´ð°¸ºÍ½âÎö>>

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

ÔÚ¡°Ñо¿Æ½Å×ÎïÌåÔ˶¯¡±µÄʵÑéÖУ¬¿ÉÒÔÃè»æƽÅ×ÎïÌåÔ˶¯¹ì¼£ºÍÇóÎïÌåµÄƽÅ׳õËٶȡ£ÊµÑé¼òÒª²½ÖèÈçÏ£º
A£®ÈÃСÇò¶à´Î´Ó____________λÖÃÉϹöÏ£¬¼ÇÏÂСÇò´©¹ý¿¨Æ¬¿×µÄһϵÁÐλÖã»
B£®°²×°ºÃÆ÷²Ä£¬×¢Òâµ÷½Úб²ÛÄ©¶Ë____________ºÍƽ°åÊúÖ±£¬¼ÇÏÂÅ׳öµãOºÍ¹ýÅ׳öµãOµÄÊúÖ±Ïߣ»
C£®²â³öÇúÏßÉÏijµãµÄ×ø±êx¡¢y£¬ÓÃV­0=________Ëã³ö¸ÃСÇòµÄƽÅ׳õËٶȣ¬ÊµÑéÐèÒª¶Ô¶à¸öµãÇóV­0µÄÖµ£¬È»ºóÇóËüÃǵÄƽ¾ùÖµ£»
D£®È¡Ï°×Ö½£¬ÒÔÅ׳öµãOΪ×ø±êÔ­µã£¬ÒÔÊúÖ±ÏßΪÖὨÁ¢×ø±êϵ£¬ÓÃƽ»¬ÇúÏß»­Æ½Å׹켣£»

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸