ʵÑéÊÒнøÁËÒ»ÅúµÍµç×èµÄµç´ÅÂÝÏ߹ܣ¬¿ÎÍâ»î¶¯Ð¡×éµÄͬѧÉè¼ÆÁËÒ»¸öʵÑéÀ´²âËãÂÝÏß¹ÜʹÓõĽðÊôË¿³¤¶È£¨½ðÊôË¿²ÄÁÏÒÑÖª£©¡£ËûÃÇÑ¡ÔñÁ˶àÓõç±í¡¢µçÁ÷±í¡¢µçѹ±í¡¢¿ª¹Ø¡¢»¬¶¯±ä×èÆ÷¡¢ÂÝÐý²â΢Æ÷¡¢µ¼ÏߺÍѧÉúµçÔ´µÈ¡£

¢ÙʹÓöàÓõç±í´Ö²â½ðÊôË¿µÄµç×裬²Ù×÷¹ý³Ì·ÖÒÔÏÂÈý¸ö²½Ö裺
a£®»úеµ÷Áãºó£¬½«ºì¡¢ºÚ±í±Ê·Ö±ð²åÈë¶àÓõç±íµÄ¡°+"¡¢¡°Ò»¡±²å¿×£¬Ñ¡Ôñ¡°¡Á1¡±µÄµç×èµµ£»
b£®______________________________£¨Ìîдb²½ÖèµÄ²Ù×÷£©£»
c£®°Ñºì¡¢ºÚ±í±Ê·Ö±ðÓëÂÝÏ߹ܽðÊôË¿µÄÁ½¶ËÏà½Ó£¬¶àÓñíµÄʾÊýÈçͼ¼×Ëùʾ£¬²âµÃ½ðÊôË¿µç×èΪ____________£»
¢ÚÀûÓõç·¸ü׼ȷ²âÁ¿½ðÊôË¿RxʯµÄµç×裬ΪÁ˼õÉÙʵÑéÎó²î£¬Ó¦Ñ¡ÓÃ____________£¨Ñ¡Ìî¡°ÒÒ¡±»ò¡°±û¡±£©µç·£»  
¢ÛÈçͼ¶¡Ëùʾ£¬Ê¹ÓÃÂÝÐý²â΢Æ÷²âµÃ½ðÊôË¿µÄÖ±¾¶Îª____________mm¡£
ÓÉÒÔÉϲâµÃµÄʵÑéÊý¾Ý¼°²é±íµÃµ½µÄ½ðÊôË¿µç×èÂÊÖµ£¬¿É²âËã³ö½ðÊôË¿µÄ³¤¶È¡£

£¨1£©¢ÙÅ·Ä·µ÷Áã¢Ú±û¢Û

½âÎöÊÔÌâ·ÖÎö£º£¨1£©¢Ù¡¢Å·Ä·µ÷ÁãÊǽ«ºì¡¢ºÚ±í±Ê¶Ì½Ó£¬µ÷Õûµ÷ÁãÐýťʹÆäµçÁ÷´ïµ½×î´ó£¬Ôò´Ëʱ¿Ì¶ÈÅÌÉϵĶÁÊýΪÁ㣮ŷķ±íµÄʾÊýΪ4.0¦¸£»¢Ú½ðÊôË¿µç×è±È½ÏС£¬µçÁ÷±íµç×èÒ²±È½ÏС£¬ËùÒÔÓ¦¸Ã²ÉÓõçÁ÷±íÍâ½Ó·¨¡£ÎÒÃÇÏ£Íûͨ¹ýÒƶ¯»¬¶¯±ä×èÆ÷¶Á³öµçѹ±íµçÁ÷±í½Ï¹ãµÄ¶ÁÊý£¬ÄÇô²ÉÓû¬¶¯±ä×èÆ÷µÄ·Öѹ½Ó·¨¿ÉÒÔʵÏÖËùÒÔ²ÉÓû¬¶¯±ä×èÆ÷µÄ·Öѹ½Ó·¨£¬¹Êµç·ͼѡ±û£»¢ÛÂÝÐý²â΢Æ÷µÄ¶ÁÊýΪ
¿¼µã£º¿¼²éÁ˲âÁ¿½ðÊôË¿µç×èÂÊʵÑé

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ÓÒͼΪ˫·ì¸ÉÉæµÄʵÑéʾÒâͼ£¬¹âÔ´·¢³öµÄ¹â¾­Â˹âƬ³ÉΪµ¥É«¹â£¬È»ºóͨ¹ýµ¥·ìºÍË«·ì£¬ÔÚ¹âÆÁÉϳöÏÖÃ÷°µÏà¼äµÄÌõÎÆ¡£ÈôҪʹ¸ÉÉæÌõÎƵļä¾à±ä´ó£¬ÔÚ±£Ö¤ÆäËûÌõ¼þ²»±äµÄÇé¿öÏ£¬¿ÉÒÔ£º£¨   £©

A£®½«¹âÆÁÒƽüË«·ì B£®¸ü»»Â˹âƬ£¬¸ÄÓò¨³¤¸ü³¤µÄµ¥É«¹â
C£®¼õС˫·ìµÄ¼ä¾à D£®½«¹âÔ´ÏòË«·ìÒƶ¯Ò»Ð¡¶Î¾àÀë

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨6·Ö£©Èçͼ¼×Ëùʾ£¬Ä³Í¬Ñ§ÔÚ×ö¡°Ì½¾¿¹¦ÓëËٶȱ仯µÄ¹Øϵ¡±µÄʵÑ飮µ±Ð¡³µÔÚ1ÌõÏðƤ½îµÄ×÷ÓÃÏÂÑØľ°å»¬ÐÐʱ£¬ÏðƤ½î¶ÔС³µ×öµÄ¹¦¼ÇΪW.µ±ÓÃ2Ìõ¡¢3Ìõ¡­ÏðƤ½îÖظ´ÊµÑéʱ£¬É跨ʹÿ´ÎʵÑéÖÐÏðƤ½îËù×öµÄ¹¦·Ö±ðΪ2W¡¢3W¡­.

ͼ¼×
£¨1£©Í¼Öеç»ð»¨¼ÆʱÆ÷µÄ¹¤×÷µçѹÊÇ________VµÄ½»Á÷µç£®
£¨2£©ÊµÑéÊÒÌṩµÄÆ÷²ÄÈçÏ£º³¤Ä¾°å¡¢Ð¡³µ¡¢ÏðƤ½î¡¢´òµã¼ÆʱÆ÷¡¢Ö½´ø¡¢µçÔ´µÈ£¬»¹È±ÉٵIJâÁ¿¹¤¾ßÊÇ________£®
£¨3£©ÔÚÕýÈ·²Ù×÷µÄÇé¿öÏ£¬Ä³´ÎËù´òµÄÖ½´øÈçͼÒÒËùʾ£®´òÔÚÖ½´øÉϵĵ㲢²»¶¼ÊǾùÔȵģ¬ÎªÁ˲âÁ¿ÏðƤ½î×ö¹¦ºóС³µ»ñµÃµÄËٶȣ¬Ó¦Ñ¡ÓÃÖ½´øµÄ________²¿·Ö½øÐвâÁ¿£¨¸ù¾ÝÖ½´øÖÐ×Öĸ»Ø´ð£©£¬Ð¡³µ»ñµÃµÄËÙ¶ÈÊÇ________m/s.£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

ͼÒÒ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ijͬѧ¶ÔÓйÊÕϵĵçÈÈ̺½øÐÐ̽¾¿£¬Í¼£¨a£©ÊǵçÈÈ̺µÄµç·ʾÒâͼ£¬ÆäÖеçÈÈÏߺ͵¼Ïßͨ¹ý½ðÊô½ÓÏßƬÁ¬½Ó£¬Í¼£¨b£©Îª²âÊÔµç·ʵÎïͼ£¬A¡¢BΪ²âÊÔ±í±Ê£¬µçѹ±íºÍµçÁ÷±í¾ù¿ÉÊÓΪÀíÏëµç±í¡£

£¨1£©¶Ï¿ªK1£¬ÓòâÊÔµç·ÔÚ1ºÍ1¡äÖ®¼ä¼ì²âµÃÖªµçÈÈÏßÎÞ¹ÊÕÏ£¬È»ºó²âµÃµçÈÈÏßµÄU-IÇúÏßÈçͼ£¨c£©Ëùʾ¡£¿ÉÇóµÃ´ËµçÈÈÏߵĵç×èΪ       ¦¸¡£
£¨2£©ÔÚ´ðÌâ¾íÐéÏß¿òÄÚ»­³öÓëͼ£¨b£©¶ÔÓ¦µÄµç·ԭÀíͼ¡£
£¨3£©ÎªÁ˽øÒ»²½¼ì²é¹ÊÕÏ£¬¸Ãͬѧ±ÕºÏ¿ª¹ØK1ºÍK2£¬Óñí±ÊAºÍB·Ö±ð¶Ôͼ£¨a£©ÖÐËùʾµÄ¸÷µã½øÐвâÊÔ£¬²¿·Ö²âÊÔ½á¹ûÈçϱíËùʾ¡£Óɴ˲âÊÔ½á¹û¿ÉÅжϳöµç·ÓжÏ·£¬Î»ÖÃÔÚ       £¨ÔÚ¡°1ºÍ2¡±¡¢¡°1¡äºÍ2¡ä¡±¡¢¡°2ºÍ3¡±¡¢¡°2¡äºÍ3¡ä¡±ÖÐÑ¡ÌîÒ»Ï¡£

²âÊÔµã
3ºÍ3¡ä
1ºÍ1¡ä
1ºÍ3
1ºÍ2¡ä
2¡äºÍ3¡ä
µç±íÖ¸ÕëÓÐÎÞƫת
µçѹ±í
ÓÐ
ÓÐ
ÎÞ
ÓÐ
ÎÞ
µçÁ÷±í
ÎÞ
ÓÐ
ÓÐ
ÎÞ
ÓÐ
 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨10·Ö £©ÈçͼËùʾÊÇÈý¸öÉæ¼°Ö½´øºÍ´òµã¼ÆʱÆ÷µÄʵÑé×°ÖÃͼ¡£

£¨1£©Èý¸öʵÑé×°ÖÃÖУ¬Ä¦²ÁÁ¦¶ÔʵÑé½á¹ûûÓÐÓ°ÏìµÄÊÇ     ;
A.¼×           B.ÒÒ        C.±û
£¨2£©Èç¹û²Ù×÷¶¼ÕýÈ·£¬Ôòͨ¹ý×°Öà   £¨Ñ¡Ìî¡°¼×¡±¡¢¡°ÒÒ¡±»òÕß¡°±û¡±£©¿É´ò³öÏÂͼÖеÄÖ½´ø    £¨Ñ¡Ìî¡°¢Ù¡±»òÕß¡°¢Ú¡±£©

£¨3£©ÈÎÑ¡Ò»ÌõÖ½´øÇó³öe¡¢fÁ½µã¼äµÄƽ¾ùËٶȴóСΪ     m/s¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

°´ÕÕÓÐЧÊý×Ö¹æÔò¶Á³öÏÂÁеç±íµÄ²âÁ¿Öµ¡£

£¨1£©½Ó0~3VÁ¿³Ìʱ¶ÁÊýΪ________V¡£
£¨2£©½Ó0~0.6AÁ¿³Ìʱ¶ÁÊýΪ_______A¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ÔÚ̽¾¿¶¯Äܶ¨ÀíµÄʵÑéÖУ¬Ä³ÊµÑéС×é×é×°ÁËÒ»Ì×ÈçͼËùʾµÄ×°Öã¬À­Á¦´«¸ÐÆ÷¹Ì¶¨ÔÚС³µÉÏ£¬Ò»¶ËÓëϸÉþÏàÁ¬£¬ÓÃÀ­Á¦´«¸ÐÆ÷¼Ç¼С³µÊܵ½À­Á¦µÄ´óС¡£´©¹ý´òµã¼ÆʱÆ÷µÄÖ½´øÓëС³µÎ²²¿ÏàÁ¬½Ó£¬´òµã¼ÆʱÆ÷´òµãÖÜÆÚΪT£¬ÊµÑéµÄ²¿·Ö²½ÖèÈçÏ£º

¢Ù ƽºâС³µËùÊܵÄ×èÁ¦£º²»¹Ò¹³Â룬µ÷Õûľ°åÓҶ˵ĸ߶ȣ¬ÓÃÊÖÇáÍÆС³µ£¬Ö±µ½´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´ò³öһϵÁÐ________µÄµã¡£
¢Ú²âÁ¿Ð¡³µºÍÀ­Á¦´«¸ÐÆ÷µÄ×ÜÖÊÁ¿M £¬°´Í¼×é×°ºÃÒÇÆ÷£¬²¢Á¬½ÓºÃËùÐèµç·£¬½«Ð¡³µÍ£ÔÚ´òµã¼ÆʱÆ÷¸½½ü£¬ÏȽÓͨÀ­Á¦´«¸ÐÆ÷ºÍ´òµã¼ÆʱÆ÷µÄµçÔ´£¬È»ºó             £¬´ò³öÒ»ÌõÖ½´ø£¬¹Ø±ÕµçÔ´¡£
¢ÛÔÚ´ò³öµÄÖ½´øÖÐÑ¡ÔñÒ»Ìõ±È½ÏÀíÏëµÄÖ½´øÈçͼËùʾ£¬ÔÚÖ½´øÉÏ°´´òµãÏȺó˳ÐòÒÀ´ÎÈ¡O¡¢A¡¢B¡¢C¡¢D¡¢EµÈ¶à¸ö¼ÆÊýµã£¬¸÷¸ö¼ÆÊýµãµ½Oµã¼äµÄ¾àÀë·Ö±ðÓÃhA¡¢hB¡¢hC¡¢hD¡¢hE¡­¡­±íʾ£¬ÔòС³µºÍÀ­Á¦´«¸ÐÆ÷ÔÚ¼ÆʱÆ÷´òÏÂDµãʱµÄ¶¯Äܱí´ïʽΪ                 £¬ÈôÀ­Á¦´«¸ÐÆ÷µÄ¶ÁÊýΪF£¬¼ÆʱÆ÷´òÏÂAµãµ½´òÏÂDµã¹ý³ÌÖУ¬Ï¸ÉþÀ­Á¦¶ÔС³µËù×ö¹¦µÄ±í´ïʽΪ            ¡£
¢ÜijͬѧÒÔAµãΪÆðʼµã£¬ÒÔAµãµ½¸÷¸ö¼ÆÊýµã¶¯ÄܵÄÔöÁ¿Îª×Ý×ø±ê£¬ÒÔAµãµ½¸÷¸ö¼ÆÊýµãÀ­Á¦¶ÔС³µËù×öµÄ¹¦WΪºá×ø±ê£¬µÃµ½Ò»Ìõ¹ýÔ­µãµÄÇã½ÇΪ45¡ãµÄÖ±Ïߣ¬ÓÉ´Ë¿ÉÒԵõ½µÄ½áÂÛÊÇ                            £®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ijͬѧÉè¼ÆÁËÒ»Ì×ʵÑé×°Öã¬ÈçͼËùʾ¡£ÔÚˮƽ×ÀÃæÉÏ·ÅÖÃÒ»¸öбÃ棬ÈÃС¸ÖÇò´ÓбÃæÉϹöÏ£¬¹ö¹ý×ÀÃæºóС¸ÖÇò±ã×öƽÅ×Ô˶¯¡£ÔÚС¸ÖÇòÅ׳öºó¾­¹ýµÄµØ·½£¬Ë®Æ½·ÅÖÃÒ»¿éľ°å£¬Ä¾°åÉÏ·ÅÒ»ÕÅ°×Ö½£¬°×Ö½ÉÏÓи´Ð´Ö½£¬ÕâÑù±ãÄܼÇ¼С¸ÖÇòÔÚ°×Ö½ÉϵÄÂäµã£¬×À×Ó±ßԵС¸ÖÇò¾­¹ýµÄµØ·½¹ÒÒ»ÌõǦ´¹Ïß¡£¸ÃͬѧÏëÓÃÕâÌ××°ÖòâÁ¿Ð¡¸ÖÇò·ÉÀëˮƽ×ÀÃæʱµÄËٶȣ¬ÇëÄã°ïËûÍê³É²âÁ¿²½Ö裺
£¨1£©ÒªÍê³É±¾ÊµÑ飬»¹ÐèÒªµÄʵÑéÆ÷²ÄÊÇ____¡£
£¨2£©ÊµÑé²½Ö裺¢ÙÈÃСÇò´ÓбÃæÉÏijһλÖÃÎÞ³õËÙ¶ÈÊÍ·Å£»
¢Ú_                     __                     _£»
¢Û                                             £»
¢ÜСÇòÀ뿪×ÀÃæµÄ³õËٶȱí´ïʽv=       ¡££¨ÓÃËù²âµÄÎïÀíÁ¿±í´ï£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨17·Ö£©£¨1£©£¨6·Ö£©ÓÃÈçͼËùʾµÄ×°ÖÃÑо¿»¬¶¯Ä¦²ÁÁ¦µÄ´óС¡£ÓÃÁ¦À­¶¯Ä¾°å£¬µ±Ä¾¿éÏà¶ÔµØÃæ______£¨Ñ¡Ìâ¡°¾²Ö¹¡±¡¢¡°ÔÈËÙÔ˶¯¡±»ò¡°¼ÓËÙÔ˶¯¡±£©Ê±£¬¶Á³öµ¯»É²âÁ¦¼ÆµÄʾÊý£¬Ä¾¿éÓëľ°å¼ä»¬¶¯Ä¦²ÁÁ¦µÈÓÚ²âÁ¦¼ÆʾÊý¡£ÔÚÊÔÑéÖÐͨ¹ýÔÚľ°åÉÏÌí¼Ó¹³ÂëµÄ·½·¨£¬¸Ä±äľ¿é¶Ôľ°åµÄѹÁ¦£¬²¢·Ö±ð²â³ö»¬¶¯Ä¦²ÁÁ¦µÄ´óС£»°Ñľ°å»»³É²£Á§°åÔÙÖظ´ÉÏÃæÊÔÑ顣ϱíΪijʵÑéС×é²âµÃµÄʵÑéÊý¾Ý£º

ÇëÍê³É±í¸ñÖеÄÓйؼÆË㣬½«½á¹ûÌîÔÚ±íÖкáÏßÉÏ£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©¡£Ä¾¿é¶Ôľ°åµÄѹÁ¦Îª6.00Nʱ£¬ËüÃÇÖ®¼äµÄ»¬¶¯Ä¦²ÁÁ¦fµÄ´óСÊÇ______N¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸