ÔÚÓõç»ð»¨¼ÆʱÆ÷¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬ÈçͼËùʾµÄÊÇÒ»´Î¼Ç¼С³µÔ˶¯Çé¿öµÄÖ½´ø£¬Í¼ÖÐA¡¢B¡¢C¡¢D¡¢EΪÏàÁڵļÆÊýµã£¬ÏàÁÚ¼ÆÊýµã¼ä»¹ÓÐËĸöµãδ»­³ö.

£¨1£©¸ù¾Ý_______________________________¿ÉÒÔÅж¨Ð¡³µ×öÔȼÓËÙÔ˶¯.

£¨2£©¸ù¾ÝÔ˶¯Ñ§Óйع«Ê½¿ÉÇóµÃ =1.38m£¯s£¬=_________m£¯s£¬=3.90m£¯s.

£¨3£©ÀûÓÃÇóµÃµÄÊýÖµ×÷³öС³µµÄv-tͼÏߣ¨ÒÔ´òAµãʱ¿ªÊ¼¼Çʱ£©¡£

£¨4£©ÀûÓÃÖ½´øÉϵÄÊý¾Ý»òÕßv-tͼÏßÇó³öС³µÔ˶¯µÄ¼ÓËٶȣ½_______m/s2.

£¨5£©½«Í¼ÏßÑÓ³¤Óë×ÝÖáÏཻ£¬½»µãµÄ×Ý×ø±êÊÇ0.12m£¯s£¬´ËËٶȵÄÎïÀíÒâÒåÊÇ:_____________________________.

 

 

£¨1£©ÏàÁÚÏàµÈʱ¼ä¼ä¸ôÄÚµÄλÒƲîÏàµÈ

£¨2£©2.64

£¨3£©ÂÔ

£¨4£©12.6

£¨5£©´òµã¼ÆʱÆ÷´òϼÆʱµãAʱֽ´ø¶ÔÓ¦µÄËÙ¶È

½âÎö:

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚÓõç»ð»¨¼ÆʱÆ÷¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬ÈçͼËùʾµÄÊÇÒ»´Î¼Ç¼С³µÔ˶¯Çé¿öµÄÖ½´ø£¬Í¼ÖÐA¡¢B¡¢C¡¢D¡¢EΪÏàÁڵļÆÊýµã£¬ÏàÁÚ¼ÆÊýµã¼ä»¹ÓÐËĸöµãδ»­³ö£®

£¨1£©¸ù¾Ý
ÏàÁÚÏàµÈʱ¼ä¼ä¸ôÄÚµÄλÒƲîÏàµÈ
ÏàÁÚÏàµÈʱ¼ä¼ä¸ôÄÚµÄλÒƲîÏàµÈ
¿ÉÒÔÅж¨Ð¡³µ×öÔȼÓËÙÔ˶¯£®
£¨2£©¸ù¾ÝÔ˶¯Ñ§Óйع«Ê½¿ÉÇóµÃvB=1.38m/s£¬vC=
2.64
2.64
m/s£¬vD=3.90m/s£®
£¨3£©ÀûÓÃÇóµÃµÄÊýÖµ×÷³öС³µµÄv-tͼÏߣ¨ÒÔ´òAµãʱ¿ªÊ¼¼Çʱ£©£¬²¢¸ù¾ÝͼÏßÇó³öС³µÔ˶¯µÄ¼ÓËÙ¶Èa=
12.6
12.6
m/s2£®
£¨4£©½«Í¼ÏßÑÓ³¤Óë×ÝÖáÏཻ£¬½»µãµÄ×Ý×ø±êÊÇ0.12m/s£¬´ËËٶȵÄÎïÀíÒâÒåÊÇ£º
´ËËٶȵÄÎïÀíÒâÒåÊÇ´òµã¼ÆʱÆ÷´òϼÆʱµãAʱֽ´ø¶ÔÓ¦µÄËÙ¶È
´ËËٶȵÄÎïÀíÒâÒåÊÇ´òµã¼ÆʱÆ÷´òϼÆʱµãAʱֽ´ø¶ÔÓ¦µÄËÙ¶È
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚÓõç»ð»¨¼ÆʱÆ÷¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬ÈçͼËùʾµÄÊÇÒ»´Î¼Ç¼С³µÔ˶¯Çé¿öµÄÖ½´ø£¬Í¼ÖÐA¡¢B¡¢C¡¢D¡¢EΪÏàÁڵļÆÊýµã£¬ÏàÁÚ¼ÆÊýµã¼ä»¹ÓÐËĸöµãδ»­³ö£®
£¨1£©µç»ð»¨¼ÆʱÆ÷µÄ¹¤×÷µçѹÊÇ
220
220
VµÄ½»Á÷µç£®Ê¹ÓÃʱ£¬Òª°ÑÖ½´ø´©¹ý
ÏÞλ¿×
ÏÞλ¿×
£¬µ±½ÓͨµçÔ´¡¢°´ÏÂÂö³å¿ª¹Øʱ£¬¼ÆʱÆ÷·¢³öµÄÂö³åµçÁ÷¾­·ÅµçÕ롢ī·ÛÖ½ÅÌ£¬²úÉú
»ð»¨·Åµç
»ð»¨·Åµç
£¬ÓÚÊǾÍÔÚÔ˶¯µÄÖ½´øÉϾʹò³öÒ»Ðе㼣£®
£¨2£©¸ù¾Ý
ÏàÁÚµÈʱ¼ä¼ä¸ôÄÚµÄλÒƲîÏàµÈ
ÏàÁÚµÈʱ¼ä¼ä¸ôÄÚµÄλÒƲîÏàµÈ
¿ÉÒÔÅж¨Ð¡³µ×öÔȼÓËÙÔ˶¯£®
£¨3£©¸ù¾ÝÔ˶¯Ñ§Óйع«Ê½¿ÉÇóµÃ vB=1.38m/s£¬vC=
2.64
2.64
m/s£¬vD=3.90m/s£®

£¨4£©ÀûÓÃÇóµÃµÄÊýÖµ×÷³öС³µµÄv-tͼÏߣ¨ÒÔ´òAµãʱ¿ªÊ¼¼Çʱ£©£¬²¢¸ù¾ÝͼÏßÇó³öС³µÔ˶¯µÄ¼ÓËÙ¶Èa=
11.7
11.7
m/s2£®
£¨5£©½«Í¼ÏßÑÓ³¤Óë×ÝÖáÏཻ£¬½»µãµÄ×Ý×ø±êÊÇ0.12m/s£¬´ËËٶȵÄÎïÀíÒâÒåÊÇ£º
´ËËٶȵÄÎïÀíÒâÒåÊÇ´òµã¼ÆʱÆ÷´òϼÆʱµãAʱֽ´ø¶ÔÓ¦µÄËÙ¶È
´ËËٶȵÄÎïÀíÒâÒåÊÇ´òµã¼ÆʱÆ÷´òϼÆʱµãAʱֽ´ø¶ÔÓ¦µÄËÙ¶È
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚÓõç»ð»¨¼ÆʱÆ÷¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬¼Ç¼С³µÔ˶¯Çé¿öµÄÖ½´øÈçͼËùʾ£¬Í¼ÖÐA¡¢B¡¢C¡¢D¡¢EΪÏàÁڵļÆÊýµã£¬ÏàÁÚ¼ÆÊýµã¼ä»¹ÓÐËĸöµãδ»­³ö£®
£¨1£©µç»ð»¨¼ÆʱÆ÷´òÏÂB¡¢C¡¢DÈýµãʱ£¬Ð¡³µµÄËÙ¶ÈΪ£ºvB=
1.38
1.38
m/s£¬vC=
2.64
2.64
m/s£¬vD=
3.90
3.90
m/s£®
£¨2£©ÓÃÇóµÃµÄÊýÖµ£¬ÔÚͼÖÐ×ø±êÖ½ÉÏ×÷³öС³µµÄv-tͼÏó£¨ÒÔ´òAµãʱ¿ªÊ¼¼Çʱ£©£®
£¨3£©Ð¡³µÔ˶¯µÄ¼ÓËÙ¶Èa=
12.6
12.6
m/s2£®
£¨4£©Í¼ÏóÔÚ×ÝÖáÉϽؾàµÄÎïÀíÒâÒåÊÇ£º
´òµã¼ÆʱÆ÷´òϼÆʱµãAʱֽ´ø¶ÔÓ¦µÄËÙ¶È
´òµã¼ÆʱÆ÷´òϼÆʱµãAʱֽ´ø¶ÔÓ¦µÄËÙ¶È
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚÓõç»ð»¨¼ÆʱÆ÷¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬ÈçͼËùʾµÄÊÇÒ»´Î¼Ç¼С³µÔ˶¯Çé¿öµÄÖ½´ø£¬Í¼ÖÐA¡¢B¡¢C¡¢D¡¢EΪÏàÁڵļÆÊýµã£¬ÏàÁÚ¼ÆÊýµã¼ä»¹ÓÐËĸöµãδ»­³ö£®
£¨1£©¸ù¾Ý
Ö½´øÏàÁÚÏàµÈʱ¼ä¼ä¸ôÄÚµÄλÒƲîÏàµÈ
Ö½´øÏàÁÚÏàµÈʱ¼ä¼ä¸ôÄÚµÄλÒƲîÏàµÈ
¿ÉÒÔÅж¨Ð¡³µ×öÔȼÓËÙÔ˶¯£®
£¨2£©¸ù¾ÝÔ˶¯Ñ§Óйع«Ê½¿ÉÇóµÃ vB=1.38m/s£¬vC=
2.64
2.64
m/s£¬vD=3.90m/s£®
£¨3£©ÀûÓÃÇóµÃµÄÊýÖµ×÷³öС³µµÄv-tͼÏߣ¨ÒÔ´òAµãʱ¿ªÊ¼¼Çʱ£©£®
£¨4£©ÀûÓÃÖ½´øÉϵÄÊý¾Ý»òÕßv-tͼÏßÇó³öС³µÔ˶¯µÄ¼ÓËÙ¶Èa=
12.6
12.6
m/s2£®

£¨5£©½«Í¼ÏßÑÓ³¤Óë×ÝÖáÏཻ£¬½»µãµÄ×Ý×ø±êÊÇ0.12m/s£¬´ËËٶȵÄÎïÀíÒâÒåÊÇ£º
´òµã¼ÆʱÆ÷´òϼÆʱµãAʱֽ´ø¶ÔÓ¦µÄËÙ¶È
´òµã¼ÆʱÆ÷´òϼÆʱµãAʱֽ´ø¶ÔÓ¦µÄËÙ¶È
£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸