ijͬѧ×ö¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±ÊµÑéʱ£¬Ö÷Òª²½ÖèÊÇ£º
A£®ÔÚ×ÀÉÏ·ÅÒ»¿é·½Ä¾°å£¬ÔÚ·½Ä¾°åÉÏÆÌÒ»ÕÅ°×Ö½£¬ÓÃͼ¶¤°Ñ°×Ö½¶¤ÔÚ·½Ä¾°åÉÏ£»
B£®ÓÃͼ¶¤°ÑÏðƤÌõµÄÒ»¶Ë¹Ì¶¨ÔÚ°åÉϵÄAµã£¬ÔÚÏðƤÌõµÄÁíÒ»¶ËË©ÉÏÁ½ÌõϸÉþ£¬Ï¸ÉþµÄÁíÒ»¶Ëϵ×ÅÉþÌ×£»
C£®ÓÃÁ½¸öµ¯»É³Ó·Ö±ð¹³×¡ÉþÌ×£¬»¥³É½Ç¶ÈµØÀ­ÏðƤÌõ£¬Ê¹ÏðƤÌõÉ쳤£¬½áµãµ½´ïijһλÖÃO£®¼Ç¼ÏÂOµãµÄλÖ㬶Á³öÁ½¸öµ¯»É³ÓµÄʾÊý£»
D£®°´Ñ¡ºÃµÄ±ê¶È£¬ÓÃǦ±ÊºÍ¿Ì¶È³ß×÷³öÁ½Ö»µ¯»É³ÓµÄÀ­Á¦F1ºÍF2µÄͼʾ£¬²¢ÓÃƽÐÐËıßÐζ¨ÔòÇó³öºÏÁ¦F£»
E£®Ö»ÓÃÒ»Ö»µ¯»É³Ó£¬Í¨¹ýϸÉþÌ×À­ÏðƤÌõʹÆäÉ쳤£¬¶Á³öµ¯»É³ÓµÄʾÊý£¬¼ÇÏÂϸÉþµÄ·½Ïò£¬°´Í¬Ò»±ê¶È×÷³öÕâ¸öÁ¦F¡äµÄͼʾ£»
F£®±È½ÏÁ¦F¡äÓëFµÄ´óСºÍ·½Ïò£¬¿´ËüÃÇÊÇ·ñÏàͬ£¬µÃ³ö½áÂÛ£®
ÉÏÊö²½ÖèÖУº
£¨1£©ÓÐÖØÒªÒÅ©µÄ²½ÖèµÄÐòºÅÊÇ______ºÍ______£»
£¨2£©ÒÅ©µÄÄÚÈÝ·Ö±ðÊÇ______ºÍ______£®
£¨3£©±¾ÊµÑé²ÉÓõĿÆѧ·½·¨ÊÇ______£¨Ìî×ÖĸÐòºÅ£©£®
A£®ÀíÏëʵÑé·¨£»B£®µÈЧÌæ´ú·¨£»C£®¿ØÖƱäÁ¿·¨£»D£®½¨Á¢ÎïÀíÄ£ÐÍ·¨£®
¡¾´ð°¸¡¿·ÖÎö£º£¨1£©ÕýÈ·Àí½â¡°µÈЧÌæ´ú¡±·¨µÄÓ¦Óã»
£¨2£©²½ÖèCÖÐÖ»ÓмÇÏÂÁ½ÌõϸÉþµÄ·½Ïò£¬²ÅÄÜÈ·¶¨Á½¸ö·ÖÁ¦µÄ·½Ïò£¬½øÒ»²½²ÅÄܸù¾ÝƽÐÐËıßÐζ¨ÔòÇóºÏÁ¦£»²½ÖèEÖÐÖ»ÓÐʹ½áµãµ½´ïͬÑùµÄλÖÃO£¬²ÅÄܱíʾÁ½ÖÖÇé¿öÏÂÁ¦µÄ×÷ÓÃЧ¹ûÏàͬ£»
½â´ð£º½â£º£¨1£©±¾ÊµÑéΪÁËÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò£¬²ÉÓõķ½·¨ÊÇ×÷Á¦µÄͼʾ·¨£¬×÷³öºÏÁ¦ºÍÀíÂÛÖµºÍʵ¼ÊÖµ£¬È»ºó½øÐбȽϣ¬µÃ³ö½á¹û£®ËùÒÔ£¬ÊµÑéʱ£¬³ý¼Ç¼µ¯»É³ÓµÄʾÊýÍ⣬»¹Òª¼ÇÏÂÁ½ÌõϸÉþµÄ·½Ïò£¬ÒÔ±ãÈ·¶¨Á½¸öÀ­Á¦µÄ·½Ïò£¬ÕâÑù²ÅÄÜ×÷³öÀ­Á¦µÄͼʾ£®²½ÖèCÖÐδ¼ÇÏÂÁ½ÌõϸÉþµÄ·½Ïò£»²½ÖèEÖÐδ˵Ã÷°ÑÏðƤÌõµÄ½áµãÀ­µ½Î»ÖÃO£®
ÔÚ¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑéÖУ¬²ÉÓÃÁË¡°µÈЧÌæ´ú¡±·¨£¬¹ÊACD´íÎó£¬BÕýÈ·£®
¹ÊÑ¡B£®
¹Ê´ð°¸Îª£º£¨1£©C¡¢E
£¨2£©¼ÇÏÂÁ½ÌõϸÉþµÄ·½Ïò£»    Ê¹ÏðƤÌõÉ쳤µ½Í¬Ò»½áµãO
£¨3£©B
µãÆÀ£º±¾ÊµÑé¹Ø¼üÀí½âʵÑéÔ­Àí£¬¸ù¾ÝʵÑéÔ­Àí·ÖÎöʵÑé²½ÖèÖÐÓÐÎÞÒÅ©»òȱÏÝ£¬Òò´ËÕÆÎÕʵÑéÔ­ÀíÊǽâ¾öʵÑéÎÊÌâµÄ¹Ø¼ü£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

I¡¢ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
AC
AC

A£®ÓÃÂäÌå·¨¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±µÄʵÑéÖУ¬ÈôÀûÓñí´ïʽmgh=mv2/2£¬À´ÑéÖ¤»úеÄÜÊغ㶨ÂÉʱ£¬ËùÑ¡ÔñµÄÖ½´øµÚÒ»¡¢¶þÁ½µã¼ä¾àÓ¦½Ó½ü2mm
B£®×ö¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±ÊµÑéʱ£¬Á½¸ö²âÁ¦¼Æ¿ÉÒÔºÍľ°å³ÉÒ»¶¨µÄ½Ç¶È
C£®×ö¡°ÅöײÖеĶ¯Á¿Êغ㡱µÄʵÑéʱ£¬±ØÐëÈÃб²ÛÄ©¶ËµÄÇÐÏßˮƽ
D£®ÔÚÓõ¥°Ú²â¶¨ÖØÁ¦¼ÓËÙ¶ÈʵÑéÖУ¬Ó¦¸ÃÔÚ°ÚÇòÔÚ×î¸ßµã¿ªÊ¼¼Æʱ
II¡¢ÔÚ¡°Ñо¿Æ½Å×ÎïÌåÔ˶¯¡±µÄʵÑéÖУº
£¨1£©ÎªÊ²Ã´ÒªÊ¹¹Ì¶¨ÓÐб²ÛµÄľ°å±£³Öˮƽ£¿
ʹСÇòÀ뿪ľ°åʱÓÐˮƽ³õËٶȶø×öƽÅ×Ô˶¯
ʹСÇòÀ뿪ľ°åʱÓÐˮƽ³õËٶȶø×öƽÅ×Ô˶¯

£¨2£©ÎªÊ²Ã´Òª±£Ö¤Ð¡Çòÿ´Î´Óͬһ¹Ì¶¨Î»ÖÃ×ÔÓÉ»¬Ï£¿
ʹСÇòÿ´ÎÀ뿪ľ°åʱÓÐÏàͬµÄËٶȣ¬¶¼×öͬһÌõÅ×ÎïÏßµÄƽÅ×Ô˶¯£®
ʹСÇòÿ´ÎÀ뿪ľ°åʱÓÐÏàͬµÄËٶȣ¬¶¼×öͬһÌõÅ×ÎïÏßµÄƽÅ×Ô˶¯£®

£¨3£©ÈçͼÊÇijͬѧʵÑéµÃµ½µÄСÇò×öƽÅ×Ô˶¯µÄ¹ì¼££¬½¨Á¢ÁË×ø±êϵ£¬²â³öÁËa¡¢b¡¢cÈýµãµÄ×ø±ê£¬gÈ¡10m/s2£¬¸ù¾ÝͼÖÐÊý¾Ý»Ø´ð£º
¢Ù×ø±êÔ­µãOÊÇСÇò×öƽÅ×Ô˶¯µÄ³õʼλÖÃÂð£¿
ÊÇ
ÊÇ
£®
¢ÚСÇò×öƽÅ×Ô˶¯µÄ³õËÙ¶ÈÊÇ
2
2
m/s£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚ×ö¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑéÖУ¬Ä³Í¬Ñ§Óõ½ÁËƽľ°å¡¢Ï¸ÉþÌס¢ÏðƤÌõ¡¢²âÁ¦¼ÆµÈʵÑéÆ÷²Ä£¬¹ØÓÚ¸ÃͬѧµÄ×ö·¨ÕýÈ·µÄÊÇ £¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©ÓÃƽľ°å¡¢Ï¸ÉþÌס¢ÏðƤÌõ¡¢²âÁ¦¼ÆµÈ×ö¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐη¨Ôò¡±µÄʵÑ飬ΪÁËʹʵÑéÄܹ»Ë³Àû½øÐУ¬ÇÒ¾¡Á¿¼õСÎó²î£¬ÄãÈÏΪÏÂÁÐ˵·¨»ò×ö·¨Äܹ»´ïµ½ÉÏÊöÄ¿µÄµÄÊÇ__________________

A£®ÓòâÁ¦¼ÆÀ­Ï¸ÉþÌ×ʱ£¬À­Á¦Ó¦Ñص¯»ÉµÄÖáÏߣ¬ÇÒÓëˮƽľ°åƽÐÐ

B£®Á½Ï¸ÉþÌ×±ØÐëµÈ³¤

C£®Í¬Ò»´ÎʵÑéÁ½´ÎÀ­Ï¸ÉþÌ×Ðëʹ½áµãµ½´ïͬһλÖÃ

D£®ÓòâÁ¦¼ÆÀ­Á½¸öϸÉþÌ×ʱ£¬Á½À­Á¦¼Ð½ÇÔ½´óÔ½ºÃ

£¨2£©ÓÃÈçͼʵÑé×°ÖÃÑéÖ¤m1 ¡¢m2×é³ÉµÄϵͳ»úеÄÜÊغ㡣m2´Ó¸ß´¦Óɾ²Ö¹¿ªÊ¼ÏÂÂ䣬m1ÉÏÍÏ×ŵÄÖ½´ø´ò³öһϵÁеĵ㣬¶ÔÖ½´øÉϵĵ㼣½øÐвâÁ¿£¬¼´¿ÉÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡£ÏÂͼ¸ø³öµÄÊÇʵÑéÖлñÈ¡µÄÒ»ÌõÖ½´ø£º0ÊÇ´òϵĵÚÒ»¸öµã£¬Ã¿ÏàÁÚÁ½¼ÆÊýµã¼ä»¹ÓÐ4¸öµã£¨Í¼ÖÐδ±ê³ö£©£¬¼ÆÊýµã¼äµÄ¾àÀëÈçͼËùʾ¡£ÒÑÖªm1= 50g ¡¢m2=150g £¬Ôò£¨gÈ¡10m/s2£¬½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

¢ÙÔÚÖ½´øÉÏ´òϼÇÊýµã5ʱµÄËÙ¶Èv  =         m/s£»

¢ÚÔÚ´òµã0~5¹ý³ÌÖÐϵͳ¶¯ÄܵÄÔöÁ¿¡÷EK =      J£¬ÏµÍ³ÊÆÄܵļõÉÙÁ¿¡÷EP =      J£¬Óɴ˵óöµÄ½áÂÛÊÇ                                                 £»

¢ÛÈôijͬѧ×÷³öͼÏñÈçͼ£¬Ôòµ±µØµÄʵ¼ÊÖØÁ¦¼ÓËÙ¶Èg =           m/s2¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011½ìɽ¶«Ê¡¼ÃÄÏÊиßÈý12ÔÂÖÊÁ¿µ÷Ñмì²âÎïÀíÊÔ¾íA¾í ÌâÐÍ£ºÊµÑéÌâ

£¨1£©ÓÃƽľ°å¡¢Ï¸ÉþÌס¢ÏðƤÌõ¡¢²âÁ¦¼ÆµÈ×ö¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐη¨Ôò¡±µÄʵÑ飬ΪÁËʹʵÑéÄܹ»Ë³Àû½øÐУ¬ÇÒ¾¡Á¿¼õСÎó²î£¬ÄãÈÏΪÏÂÁÐ˵·¨»ò×ö·¨Äܹ»´ïµ½ÉÏÊöÄ¿µÄµÄÊÇ__________________

A£®ÓòâÁ¦¼ÆÀ­Ï¸ÉþÌ×ʱ£¬À­Á¦Ó¦Ñص¯»ÉµÄÖáÏߣ¬ÇÒÓëˮƽľ°åƽÐÐ
B£®Á½Ï¸ÉþÌ×±ØÐëµÈ³¤
C£®Í¬Ò»´ÎʵÑéÁ½´ÎÀ­Ï¸ÉþÌ×Ðëʹ½áµãµ½´ïͬһλÖÃ
D£®ÓòâÁ¦¼ÆÀ­Á½¸öϸÉþÌ×ʱ£¬Á½À­Á¦¼Ð½ÇÔ½´óÔ½ºÃ
£¨2£©ÓÃÈçͼʵÑé×°ÖÃÑéÖ¤m1¡¢m2×é³ÉµÄϵͳ»úеÄÜÊغ㡣m2´Ó¸ß´¦Óɾ²Ö¹¿ªÊ¼ÏÂÂ䣬m1ÉÏÍÏ×ŵÄÖ½´ø´ò³öһϵÁеĵ㣬¶ÔÖ½´øÉϵĵ㼣½øÐвâÁ¿£¬¼´¿ÉÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡£ÏÂͼ¸ø³öµÄÊÇʵÑéÖлñÈ¡µÄÒ»ÌõÖ½´ø£º0ÊÇ´òϵĵÚÒ»¸öµã£¬Ã¿ÏàÁÚÁ½¼ÆÊýµã¼ä»¹ÓÐ4¸öµã£¨Í¼ÖÐδ±ê³ö£©£¬¼ÆÊýµã¼äµÄ¾àÀëÈçͼËùʾ¡£ÒÑÖªm1=" 50g" ¡¢m2="150g" £¬Ôò£¨gÈ¡10m/s2£¬½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©
¢ÙÔÚÖ½´øÉÏ´òϼÇÊýµã5ʱµÄËÙ¶Èv =         m/s£»
¢ÚÔÚ´òµã0~5¹ý³ÌÖÐϵͳ¶¯ÄܵÄÔöÁ¿¡÷EK=      J£¬ÏµÍ³ÊÆÄܵļõÉÙÁ¿¡÷EP =      J£¬Óɴ˵óöµÄ½áÂÛÊÇ                                                 £»
¢ÛÈôijͬѧ×÷³öͼÏñÈçͼ£¬Ôòµ±µØµÄʵ¼ÊÖØÁ¦¼ÓËÙ¶Èg =           m/s2¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010-2011ѧÄêɽ¶«Ê¡¼ÃÄÏÊиßÈý12ÔÂÖÊÁ¿µ÷Ñмì²âÎïÀíÊÔ¾íA¾í ÌâÐÍ£ºÊµÑéÌâ

£¨1£©ÓÃƽľ°å¡¢Ï¸ÉþÌס¢ÏðƤÌõ¡¢²âÁ¦¼ÆµÈ×ö¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐη¨Ôò¡±µÄʵÑ飬ΪÁËʹʵÑéÄܹ»Ë³Àû½øÐУ¬ÇÒ¾¡Á¿¼õСÎó²î£¬ÄãÈÏΪÏÂÁÐ˵·¨»ò×ö·¨Äܹ»´ïµ½ÉÏÊöÄ¿µÄµÄÊÇ__________________

A£®ÓòâÁ¦¼ÆÀ­Ï¸ÉþÌ×ʱ£¬À­Á¦Ó¦Ñص¯»ÉµÄÖáÏߣ¬ÇÒÓëˮƽľ°åƽÐÐ

B£®Á½Ï¸ÉþÌ×±ØÐëµÈ³¤

C£®Í¬Ò»´ÎʵÑéÁ½´ÎÀ­Ï¸ÉþÌ×Ðëʹ½áµãµ½´ïͬһλÖÃ

D£®ÓòâÁ¦¼ÆÀ­Á½¸öϸÉþÌ×ʱ£¬Á½À­Á¦¼Ð½ÇÔ½´óÔ½ºÃ

£¨2£©ÓÃÈçͼʵÑé×°ÖÃÑéÖ¤m1 ¡¢m2×é³ÉµÄϵͳ»úеÄÜÊغ㡣m2´Ó¸ß´¦Óɾ²Ö¹¿ªÊ¼ÏÂÂ䣬m1ÉÏÍÏ×ŵÄÖ½´ø´ò³öһϵÁеĵ㣬¶ÔÖ½´øÉϵĵ㼣½øÐвâÁ¿£¬¼´¿ÉÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡£ÏÂͼ¸ø³öµÄÊÇʵÑéÖлñÈ¡µÄÒ»ÌõÖ½´ø£º0ÊÇ´òϵĵÚÒ»¸öµã£¬Ã¿ÏàÁÚÁ½¼ÆÊýµã¼ä»¹ÓÐ4¸öµã£¨Í¼ÖÐδ±ê³ö£©£¬¼ÆÊýµã¼äµÄ¾àÀëÈçͼËùʾ¡£ÒÑÖªm1= 50g ¡¢m2=150g £¬Ôò£¨gÈ¡10m/s2£¬½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

¢ÙÔÚÖ½´øÉÏ´òϼÇÊýµã5ʱµÄËÙ¶Èv  =         m/s£»

¢ÚÔÚ´òµã0~5¹ý³ÌÖÐϵͳ¶¯ÄܵÄÔöÁ¿¡÷EK =       J£¬ÏµÍ³ÊÆÄܵļõÉÙÁ¿¡÷EP =       J£¬Óɴ˵óöµÄ½áÂÛÊÇ                                                  £»

¢ÛÈôijͬѧ×÷³öͼÏñÈçͼ£¬Ôòµ±µØµÄʵ¼ÊÖØÁ¦¼ÓËÙ¶Èg =           m/s2¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸