¼×¡¢ÒÒÁ½Î»Í¬Ñ§·Ö±ð°´Í¼µÄ¼×¡¢ÒÒʵÑé×°Öá°ÑéÖ¤¶¯Á¿Êغ㶨ÂÉ¡±£¬Çë»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©Ôڼס¢ÒÒÁ½×°ÖÃÖУ¬Ð¡ÇòaÏ»¬¹ý³ÌÖÐÓëб²Û¹ìµÀ¼ä¾ù´æÔÚĦ²ÁÁ¦£¬Õâ¶ÔʵÑé½á¹û
²»»á
²»»á
²úÉúÎó²î£¨Ñ¡Ìî¡°»á¡±»ò¡°²»»á¡±£©£®
£¨2£©¸ù¾ÝʵÑé×°Öã¬aÇòΪÈëÉäСÇò£¬bÇòΪ±»ÅöСÇò£¬ÒÔÏÂËùÁоٵÄÔÚʵ¹ý³ÌÖмס¢ÒÒ×°ÖÃÓ¦Âú×ãµÄÌõ¼þÊÇ
AD
AD

A£®ÊµÑéʱÐèÒª²âÁ¿ÈëÉäСÇòµÄÖÊÁ¿ºÍ±»ÅöСÇòµÄÖÊÁ¿
B£®°²×°ÊµÑé×°ÖÃʱ£¬×°ÖüױØÐèÒªÖØ´¸Ïߣ¬¶ø×°ÖÃÒÒ¿ÉÒÔ²»ÓÃ
C£®ÈëÉäСÇòÿ´Î²»±Ø´Óб²ÛÉϵÄͬһλÖÃÓɾ²Ö¹ÊÍ·Å
D£®Ð±²ÛÄ©¶ËµÄÇÐÏß±ØÐëˮƽ£¬Ð¡Çò·ÅÔÚб²ÛÄ©¶Ë´¦£¬Ó¦Äܾ²Ö¹
£¨3£©ÔÚ¼××°ÖõÄʵÑé¼Ç¼ÖУ¬aÇòÅöÇ°×öƽÅ×Ô˶¯µÄˮƽλÒÆÊÇͼÖеÄ
OP
OP
¶Î£¬bÇò±»Åöºó×öƽÅ×Ô˶¯µÄˮƽλÒÆÊÇͼÖеÄ
ON
ON
¶Î£®£¨Á½¿Õ¾ùÑ¡Ìî¡°OM¡±¡°OP¡±»ò¡°ON¡±£©
£¨4£©ÒÒͬѧʹÓÃÒÒ×°Öã¬Æä²Ù×÷ÈçÏ£º
¢ÙÏȽ«Ð±²Û¹ìµÀµÄÄ©¶Ëµ÷Õûˮƽ£¬ÔÚÒ»¿éƽľ°å±íÃæÏȺó¶¤ÉÏ°×Ö½ºÍ¸´Ð´Ö½£¬²¢½«¸Ãľ°åÊúÖ±Á¢·ÅÓÚ½ô¿¿²Û¿Ú´¦£¬Ê¹Ð¡Çòa´Óб²Û¹ìµÀÉÏij¹Ì¶¨µã´¦Óɾ²Ö¹ÊÍ·Å£¬×²µ½Ä¾°å²¢ÔÚ°×Ö½ÉÏÁôϺۼ£O£»
¢Ú½«Ä¾°åÏòÓÒƽÒÆÊʵ±µÄ¾àÀ룬ÔÙʹСÇòa´ÓÔ­¹Ì¶¨µãÓɾ²Ö¹ÊÍ·Å£¬×²ÔÚľ°åÉϲ¢ÔÚ°×Ö½ÉÏÁôϺۼ£B£»
¢Û±£³Öľ°å²»¶¯£¬°Ñ°ë¾¶ÏàͬµÄСÇòb¾²Ö¹·ÅÔÚб²Û¹ìµÀˮƽ¶ÎµÄ×îÓҶˣ¬ÈÃСÇòaÈÔ´ÓÔ­¹Ì¶¨µãÓɾ²Ö¹ÊÍ·Å£¬ºÍСÇòbÏàÅöºó£¬Á½ÇòײÔÚľ°åÉϲ¢ÔÚ°×Ö½ÉÏÁôϺۼ£AºÍC£»
¢ÜÓÃÌìƽ²âÁ¿a¡¢bÁ½Ð¡ÇòµÄÖÊÁ¿·Ö±ðΪma¡¢mb£¬Óÿ̶ȳ߲âÁ¿°×Ö½Oµãµ½A¡¢B¡¢CÈýµãµÄ¾àÀë·Ö±ðΪyl¡¢y2ºÍ
y3£®ÔòÒÒͬѧÓÃÉÏÊöʵÑéÖÐËù²âµÃµÄÁ¿À´ÑéÖ¤Á½ÇòÅöײ¹ý³Ì¶¯Á¿Êغ㣬Æä±í´ïʽΪ
ma
y2
=
ma
y3
+
mb
y1
ma
y2
=
ma
y3
+
mb
y1
£®
·ÖÎö£º±¾Ìâͨ¹ýµÈЧÌæ´úÑéÖ¤¶¯Á¿ÊغãÊغ㣬ͨ¹ýʵÑéµÄÔ­Àí£¬½áºÏƽÅ×Ô˶¯µÄ¹æÂɽøÐзÖÎö£®
½â´ð£º½â£º£¨1£©Ôڼס¢ÒÒÁ½×°ÖÃÖУ¬Ö»Òª±£Ö¤Ð¡Çòaµ½´ïµ×¶ËµÄËÙ¶ÈÏàͬ¼´¿É£¬¹ìµÀÓÐÎÞĦ²Á¶ÔʵÑé½á¹û²»»á²úÉúÎó²î£®
£¨2£©A¡¢ÒòΪҪÑéÖ¤ÅöײǰºóµÄ×ܶ¯Á¿ÊÇ·ñÏàµÈ£¬Ðè²âÁ¿Á½Ð¡ÇòµÄÖÊÁ¿£®¹ÊAÕýÈ·£®
B¡¢°²×°ÊµÑé×°ÖÃʱ£¬Á½×°Öö¼ÐèÒªÖØ´¸Ïߣ®¹ÊB´íÎó£®
C¡¢ÎªÁ˱£Ö¤Ð¡Çòµ½´ïµ×¶ËµÄËÙ¶ÈÏàͬ£¬Ð¡Çòÿ´ÎÓɾ²Ö¹´ÓͬһλÖÃÊÍ·Å£®¹ÊC´íÎó£®
D¡¢ÎªÁ˱£Ö¤Ð¡Çò·É³öб²Û×öƽÅ×Ô˶¯£¬ËùÒÔб²ÛµÄÄ©¶ËÐèˮƽ£¬Ð¡Çò·ÅÔÚб²ÛÄ©¶ËÓ¦Äܾ²Ö¹£®¹ÊDÕýÈ·£®
¹ÊÑ¡£ºAD£®
£¨3£©aÇòÓëbÇòÅöºó£¬bÇòµÄËٶȴóÓÚaÇòµÄËٶȣ¬ÅöºóbÂäÔÚNµã£¬aÂäÔÚMµã£¬ÒòΪaÇòµ¥¶ÀÊÍ·ÅʱƽÅ×Ô˶¯µÄËٶȴóÓÚÅöºóaÇòµÄËٶȣ¬¿ÉÖªaÇòÅöÇ°×öƽÅ×Ô˶¯ÂäÔÚPµã£®
£¨4£©Æ½Å×Ô˶¯µÄˮƽλÒÆ£¬¸ù¾Ýt=
2y
g
µÃ£¬va=
x
2y2
g
£¬va¡ä=
x
2y3
g
£¬vb¡ä=
x
2y3
g

ÐèÑéÖ¤£ºmava=mava¡ä+mbvb¡ä
¼´£º
ma
y2
=
ma
y3
+
mb
y1
£®
¹Ê´ð°¸Îª£º£¨1£©²»»á£»
£¨2£©AD£»
£¨3£©OP£¬ON£»
£¨4£©
ma
y2
=
ma
y3
+
mb
y1
£®
µãÆÀ£º½â¾ö±¾ÌâµÄ¹Ø¼üÖªµÀÔÚ×°ÖÃ1ʵÑéÖУ¬Æ½Å×Ô˶¯µÄʱ¼äÏàµÈ£¬¿ÉÒÔÓÃˮƽλÒÆ´úÌæËٶȣ»ÔÚ×°ÖÃ2ʵÑéÖУ¬Ë®Æ½Î»ÒÆÏàµÈ£¬ÓÃ
1
y
´úÌæËٶȣ®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨1£©Ä³Í¬Ñ§×ö¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑ飬Ö÷Òª²½ÖèÈçÏ£º
A£®ÔÚ×ÀÃæÉÏ·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£®½«Á½Ö»µ¯»É²âÁ¦¼Æͨ¹ýϸÉþ»¥³É½Ç¶ÈµØÀ­ÏðƤÌõ£¬Ê¹ÉþÓëÏðƤÌõµÄ½áµã´ïµ½Ä³Ò»Î»ÖÃO£¬¼ÇÏÂOµãµÄλÖ㬶Á³öÁ½¸öµ¯»É²âÁ¦¼ÆµÄʾÊý£»
D£®°´Ñ¡ºÃµÄ±ê¶È£¬ÓÃǦ±ÊºÍ¿Ì¶È³ß×÷³öÁ½¸öµ¯»É²âÁ¦¼ÆµÄÀ­Á¦F1ºÍF2µÄͼʾ£¬²¢ÓÃƽÐÐËıßÐζ¨Ôò×÷³öºÏÁ¦F¡ä£»
E¡¢ÓÃÒ»¸öµ¯»É²âÁ¦¼Æ£¬Í¨¹ýϸÉþÌ×À­ÏðƤÌõʹÆäÉ쳤£¬¶Á³öµ¯»É²âÁ¦¼ÆµÄʾÊý£¬¼ÇÏÂϸÉþµÄ·½Ïò£¬°´Í¬Ò»±ê¶È×÷³öÕâ¸öÁ¦FµÄͼʾ£»
F£®±È½ÏÁ¦F¡äÓëFµÄ´óСºÍ·½Ïò£®
ÉÏÊö²½ÖèÖУº
¢ÙÓÐÖØÒªÒÅ©ÄÚÈݵIJ½ÖèÐòºÅÖÐ
C
C
ºÍ
E
E
£»ÒÅ©ÄÚÈÝ·Ö±ðÊÇ
¼ÇÏÂÁ½ÌõϸÉþµÄ·½Ïò
¼ÇÏÂÁ½ÌõϸÉþµÄ·½Ïò
ºÍ
ʹÏðƤÌõÉ쳤µ½Oµã£®
ʹÏðƤÌõÉ쳤µ½Oµã£®

¢ÚÈôËû½«ÒÅ©ÄÚÈݲ¹ÉϺó£¬Èçͼ£¨a£©Ëùʾ£¬ÊÇËûÀûÓÃ×ø±êÖ½¼ÇϵÄÏðƤ½î½áµãλÖÃOµã¼°Á½µ¯»É²âÁ¦¼ÆÀ­Á¦µÄ´óС£¬ÊÔÔÚͼ£¨a£©ÖÐ×÷³öÎÞʵÑéÎó²îÇé¿öÏÂF1ºÍF2µÄºÏÁ¦Í¼Ê¾£¬²¢ÓÃF¡ä±íʾ´ËÁ¦£®
¢Ûͼ£¨b£©ÊǼ׺ÍÒÒÁ½Î»Í¬Ñ§·Ö±ð×öÒÔÉÏʵÑéʱµÃµ½µÄ½á¹û£¬ÆäÖÐÄÄÒ»¸ö±È½Ï·ûºÏʵÑéÊÂʵ£¿£¨Á¦FÊÇÖ»ÓÃÒ»Ö»µ¯»É²âÁ¦¼ÆÀ­Ê±µÄͼʾ£©
A
A
£¨ÌîA»òB£©£®

£¨2£©¢ÙijͬѧÓÃÈçͼËùʾװÖÃ×ö¡°Ñé֤ţ¶ÙµÚ¶þ¶¨ÂÉ¡±µÄʵÑ飬ÈôËûÔÚͼʾ״̬Ï¿ªÊ¼×öʵÑ飬ÇëÖ¸³öͼÖеÄÖ÷Òª´íÎóÊÇ£¨ÖÁÉÙдÁ½Ï£º
Ó¦½«µç³Ø¸ÄΪ½»Á÷µç
Ó¦½«µç³Ø¸ÄΪ½»Á÷µç
¡¢
ûÓÐƽºâĦ²ÁÁ¦
ûÓÐƽºâĦ²ÁÁ¦
£®
¢Ú¸ÃͬѧҪ̽¾¿Ð¡³µµÄ¼ÓËÙ¶ÈaºÍÖÊÁ¿MµÄ¹Øϵ£¬Ó¦¸Ã±£³Ö
À­Á¦F
À­Á¦F
£»Èô¸ÃͬѧҪ̽¾¿¼ÓËÙ¶ÈaºÍÀ­Á¦F¹Øϵ£¬Ó¦¸Ã±£³Ö
ÖÊÁ¿M
ÖÊÁ¿M
²»±ä£»
¢ÛËûÔÚʵÑéÖеõ½ÈçÏÂͼËùʾֽ´ø£¬Ö½´øÉϵļÆÊýµãÓÃA¡¢B¡¢C¡¢D¡¢E±íʾ£®¸ù¾ÝͼÉÏÊý¾Ý£¬Ð¡³µ¾­¹ýBµãʱµÄËÙ¶ÈÊÇ
6.0¡Á10-2
6.0¡Á10-2
m/s£®£¨ÏàÁÚ¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôΪ0.1s£©£¨¼ÆËã½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ijͬѧ×ö¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑ飮
£¨1£©Ö÷Òª²½ÖèÈçÏ£º
A£®ÓÃͼ¶¤°ÑÏðƤÌõµÄÒ»¶Ë¹Ì¶¨ÔÚ°åÉϵÄAµã£¬ÔÚÏðƤÌõµÄÁíÒ»¶ËË©ÉÏÁ½ÌõϸÉþ£¬Ï¸ÉþµÄÁíÒ»¶Ëϵ×ÅÉþÌ×£»
B£®½«Á½Ö»µ¯»É²âÁ¦¼Æͨ¹ýϸÉþ»¥³É½Ç¶ÈµØÀ­ÏðƤÌõ£¬Ê¹ÉþÓëÏðƤÌõµÄ½áµã´ïµ½Ä³Ò»Î»ÖÃO£¬¼ÇÏÂOµãµÄλÖúÍ
Á½¸öϸÉþµÄ·½Ïò
Á½¸öϸÉþµÄ·½Ïò
£¬¶Á³öÁ½¸öµ¯»É²âÁ¦¼ÆµÄʾÊý£»
C£®°´Ñ¡ºÃµÄ±ê¶È£¬ÓÃǦ±ÊºÍ¿Ì¶È³ß×÷³öÁ½¸öµ¯»É²âÁ¦¼ÆµÄÀ­Á¦F1ºÍF2µÄͼʾ£¬²¢¸ù¾Ý
ƽÐÐËıßÐζ¨Ôò
ƽÐÐËıßÐζ¨Ôò
×÷³öºÏÁ¦F¡ä£»
D£®ÓÃÒ»¸öµ¯»É²âÁ¦¼Æ£¬Í¨¹ýϸÉþÌ×°ÑÏðƤÌõµÄ½áµã
À­µ½Î»ÖÃO
À­µ½Î»ÖÃO
£¬¶Á³öµ¯»É²âÁ¦¼ÆµÄʾÊý£¬¼ÇÏÂϸÉþµÄ·½Ïò£¬°´Í¬Ò»±ê¶È×÷³öÕâ¸öÁ¦FµÄͼʾ£»
E£®±È½ÏÁ¦F¡äÓëFµÄ´óСºÍ·½Ïò£®
£¨2£©ÈçͼÊÇÀûÓÃ×ø±êÖ½¼ÇϵÄÏðƤ½î½áµãλÖÃOµã¼°Á½µ¯»É²âÁ¦¼ÆÀ­Á¦µÄ´óС£¬ÊÔÔÚͼ£¨a£©ÖÐ×÷³öÎÞʵÑéÎó²îÇé¿öÏÂF1ºÍF2µÄºÏÁ¦Í¼Ê¾£¬²¢ÓÃF¡ä±íʾ´ËÁ¦£®
£¨3£©Í¼£¨b£©ÊǼ׺ÍÒÒÁ½Î»Í¬Ñ§·Ö±ð×öÒÔÉÏʵÑéʱµÃµ½µÄ½á¹û£¬ÆäÖÐÄÄÒ»¸ö±È½Ï·ûºÏʵÑéÊÂʵ£¿£¨Á¦FÊÇÖ»ÓÃÒ»Ö»µ¯»É²âÁ¦¼ÆÀ­Ê±µÄͼʾ£©
¼×
¼×
£¨Ìî¡°¼×¡±»ò¡°ÒÒ¡±£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨1£©£¨12·Ö£©Ä³Í¬Ñ§×ö¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑ飬Ö÷Òª²½ÖèÈçÏ£º

A£®ÔÚ×ÀÃæÉÏ·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£®½«Á½Ö»µ¯»É²âÁ¦¼Æͨ¹ýϸÉþ»¥³É½Ç¶ÈµØÀ­ÏðƤÌõ£¬Ê¹ÉþÓëÏðƤÌõµÄ½áµã´ïµ½Ä³Ò»Î»ÖÃO£¬¼ÇÏÂOµãµÄλÖ㬶Á³öÁ½¸öµ¯»É²âÁ¦¼ÆµÄʾÊý£»

D£®°´Ñ¡ºÃµÄ±ê¶È£¬ÓÃǦ±ÊºÍ¿Ì¶È³ß×÷³öÁ½¸öµ¯»É²âÁ¦¼ÆµÄÀ­Á¦F1ºÍF2µÄͼʾ£¬²¢ÓÃƽÐÐËıßÐζ¨Ôò×÷³öºÏÁ¦F¡ä£»

E¡¢ÓÃÒ»¸öµ¯»É²âÁ¦¼Æ£¬Í¨¹ýϸÉþÌ×À­ÏðƤÌõʹÆäÉ쳤£¬¶Á³öµ¯»É²âÁ¦¼ÆµÄʾÊý£¬¼ÇÏÂϸÉþµÄ·½Ïò£¬°´Í¬Ò»±ê¶È×÷³öÕâ¸öÁ¦FµÄͼʾ£»

F£®±È½ÏÁ¦F¡äÓëFµÄ´óСºÍ·½Ïò¡£

ÉÏÊö²½ÖèÖУº

¢ÙÓÐÖØÒªÒÅ©ÄÚÈݵIJ½ÖèÐòºÅÖР        ºÍ          £»ÒÅ©ÄÚÈÝ·Ö±ðÊÇ       ºÍ       __

¢ÚÈôËû½«ÒÅ©ÄÚÈݲ¹ÉϺó£¬Èçͼ£¨a£©Ëùʾ£¬ÊÇËûÀûÓÃ×ø±êÖ½¼ÇϵÄÏðƤ½î½áµãλÖÃOµã¼°Á½µ¯»É²âÁ¦¼ÆÀ­Á¦µÄ´óС£¬ÊÔÔÚͼ£¨a£©ÖÐ×÷³öÎÞʵÑéÎó²îÇé¿öÏÂF1ºÍF2µÄºÏÁ¦Í¼Ê¾£¬²¢ÓÃF¡ä±íʾ´ËÁ¦¡£

(ÌîA»òB)

 
¢Ûͼ£¨b£©ÊǼ׺ÍÒÒÁ½Î»Í¬Ñ§·Ö±ð×öÒÔÉÏʵÑéʱµÃµ½µÄ½á¹û£¬ÆäÖÐÄÄÒ»¸ö±È½Ï·ûºÏʵÑéÊÂʵ£¿£¨Á¦FÊÇÖ»ÓÃÒ»Ö»µ¯»É²âÁ¦¼ÆÀ­Ê±µÄͼʾ£©__________  

 

 

 

 

 

 

 

                  (a)                                        (b)

 

 (2)£¨8·Ö£© ¢ÙijͬѧÓÃÈçÓÒͼËùʾװÖÃ×ö¡°Ñé֤ţ¶ÙµÚ¶þ¶¨ÂÉ¡±µÄʵÑ飬ÈôËûÔÚͼʾ״̬Ï¿ªÊ¼×öʵÑ飬ÇëÖ¸³öͼÖеÄÖ÷Òª´íÎóÊÇ£¨ÖÁÉÙдÁ½Ï£º                      ¡¢                     ¡£

 

¢Ú¸ÃͬѧҪ̽¾¿Ð¡³µµÄ¼ÓËÙ¶ÈaºÍÖÊÁ¿MµÄ¹Øϵ£¬Ó¦¸Ã±£³Ö        £»Èô¸ÃͬѧҪ̽¾¿¼ÓËÙ¶ÈaºÍÀ­Á¦F¹Øϵ£¬Ó¦¸Ã±£³Ö         ²»±ä£»

¢ÛËûÔÚʵÑéÖеõ½ÈçÏÂͼËùʾֽ´ø£¬Ö½´øÉϵļÆÊýµãÓÃA¡¢B¡¢C¡¢D¡¢E±íʾ¡£¸ù¾ÝͼÉÏÊý¾Ý£¬Ð¡³µ¾­¹ýBµãʱµÄËÙ¶ÈÊÇ          m/s¡££¨ÏàÁÚ¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôΪ0.1s£©£¨¼ÆËã½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

 

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2014½ì¹ã¶«Ê¡Ã·ÖÝÊиßÒ»µÚһѧÆÚÆÚÄ©¿¼ÊÔÎïÀí¾í ÌâÐÍ£ºÑ¡ÔñÌâ

£¨1£©£¨12·Ö£©Ä³Í¬Ñ§×ö¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑ飬Ö÷Òª²½ÖèÈçÏ£º

A£®ÔÚ×ÀÃæÉÏ·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£®½«Á½Ö»µ¯»É²âÁ¦¼Æͨ¹ýϸÉþ»¥³É½Ç¶ÈµØÀ­ÏðƤÌõ£¬Ê¹ÉþÓëÏðƤÌõµÄ½áµã´ïµ½Ä³Ò»Î»ÖÃO£¬¼ÇÏÂOµãµÄλÖ㬶Á³öÁ½¸öµ¯»É²âÁ¦¼ÆµÄʾÊý£»

D£®°´Ñ¡ºÃµÄ±ê¶È£¬ÓÃǦ±ÊºÍ¿Ì¶È³ß×÷³öÁ½¸öµ¯»É²âÁ¦¼ÆµÄÀ­Á¦F1ºÍF2µÄͼʾ£¬²¢ÓÃƽÐÐËıßÐζ¨Ôò×÷³öºÏÁ¦F¡ä£»

E¡¢ÓÃÒ»¸öµ¯»É²âÁ¦¼Æ£¬Í¨¹ýϸÉþÌ×À­ÏðƤÌõʹÆäÉ쳤£¬¶Á³öµ¯»É²âÁ¦¼ÆµÄʾÊý£¬¼ÇÏÂϸÉþµÄ·½Ïò£¬°´Í¬Ò»±ê¶È×÷³öÕâ¸öÁ¦FµÄͼʾ£»

F£®±È½ÏÁ¦F¡äÓëFµÄ´óСºÍ·½Ïò¡£

ÉÏÊö²½ÖèÖУº

¢ÙÓÐÖØÒªÒÅ©ÄÚÈݵIJ½ÖèÐòºÅÖР         ºÍ           £»ÒÅ©ÄÚÈÝ·Ö±ðÊÇ        ºÍ       __

¢ÚÈôËû½«ÒÅ©ÄÚÈݲ¹ÉϺó£¬Èçͼ£¨a£©Ëùʾ£¬ÊÇËûÀûÓÃ×ø±êÖ½¼ÇϵÄÏðƤ½î½áµãλÖÃOµã¼°Á½µ¯»É²âÁ¦¼ÆÀ­Á¦µÄ´óС£¬ÊÔÔÚͼ£¨a£©ÖÐ×÷³öÎÞʵÑéÎó²îÇé¿öÏÂF1ºÍF2µÄºÏÁ¦Í¼Ê¾£¬²¢ÓÃF¡ä±íʾ´ËÁ¦¡£

(ÌîA»òB)

 
¢Ûͼ£¨b£©ÊǼ׺ÍÒÒÁ½Î»Í¬Ñ§·Ö±ð×öÒÔÉÏʵÑéʱµÃµ½µÄ½á¹û£¬ÆäÖÐÄÄÒ»¸ö±È½Ï·ûºÏʵÑéÊÂʵ£¿£¨Á¦FÊÇÖ»ÓÃÒ»Ö»µ¯»É²âÁ¦¼ÆÀ­Ê±µÄͼʾ£©__________  

 

 

 

 

 

 

 

                   (a)                                         (b)

 

 (2)£¨8·Ö£© ¢ÙijͬѧÓÃÈçÓÒͼËùʾװÖÃ×ö¡°Ñé֤ţ¶ÙµÚ¶þ¶¨ÂÉ¡±µÄʵÑ飬ÈôËûÔÚͼʾ״̬Ï¿ªÊ¼×öʵÑ飬ÇëÖ¸³öͼÖеÄÖ÷Òª´íÎóÊÇ£¨ÖÁÉÙдÁ½Ï£º                       ¡¢                      ¡£

 

¢Ú¸ÃͬѧҪ̽¾¿Ð¡³µµÄ¼ÓËÙ¶ÈaºÍÖÊÁ¿MµÄ¹Øϵ£¬Ó¦¸Ã±£³Ö         £»Èô¸ÃͬѧҪ̽¾¿¼ÓËÙ¶ÈaºÍÀ­Á¦F¹Øϵ£¬Ó¦¸Ã±£³Ö         ²»±ä£»

¢ÛËûÔÚʵÑéÖеõ½ÈçÏÂͼËùʾֽ´ø£¬Ö½´øÉϵļÆÊýµãÓÃA¡¢B¡¢C¡¢D¡¢E±íʾ¡£¸ù¾ÝͼÉÏÊý¾Ý£¬Ð¡³µ¾­¹ýBµãʱµÄËÙ¶ÈÊÇ           m/s¡££¨ÏàÁÚ¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôΪ0.1s£©£¨¼ÆËã½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

 

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸