£¨1£©µç»ð»¨¼ÆʱÆ÷ÊÇʹÓÃ______£¨Ö±Á÷µç£¬½»Á÷µç£©µçÔ´µÄÒÇÆ÷£¬Ëüÿ¸ô______Ãë´òÒ»´Îµã£®
£¨2£©¸ù¾Ý´òµã¼ÆʱÆ÷´ò³öµÄÖ½´ø£¬ÎÒÃÇ¿ÉÒÔ´ÓÖ½´øÉÏÖ±½ÓµÃµ½µÄÎïÀíÁ¿ÊÇ______
A£®Ê±¼ä¼ä¸ô¡¡¡¡¡¡B£®Î»ÒÆ¡¡¡¡¡¡C£®Ë²Ê±Ëٶȡ¡¡¡¡¡D£®Æ½¾ùËÙ¶È
£¨3£©½Óͨµç»ð»¨¼ÆʱÆ÷µçÔ´ºÍÈÃÖ½´ø¿ªÊ¼Ô˶¯£¬ÕâÁ½¸ö²Ù×÷Ö®¼äµÄʱ¼ä˳Ðò¹ØϵÊÇ______
A£®ÏȽÓͨµçÔ´£¬ºóÈÃÖ½´øÔ˶¯¡¡ B£®ÏÈÈÃÖ½´øÔ˶¯£¬ÔÙ½ÓͨµçÔ´
C£®ÈÃÖ½´øÔ˶¯µÄͬʱ½ÓͨµçÔ´¡¡ D£®ÏÈÈÃÖ½´øÔ˶¯»òÏȽÓͨµçÔ´¶¼¿ÉÒÔ
£¨4£©ÀûÓôòµã¼ÆʱÆ÷¡¶²âС³µµÄ¼ÓËٶȡ·£¬Èçͼ¸ø³öÁ˸ôÎʵÑéÖУ¬´Ó0µã¿ªÊ¼£¬Ã¿5¸öµãÈ¡Ò»¸ö¼ÆÊýµãµÄÖ½´ø£¬ÆäÖÐ1¡¢2¡¢3¡¢4¡¢5¡¢6¶¼Îª¼ÇÊýµã£®²âµÃ£ºs1=1.41cm£¬s2=1.91cm£¬s3=2.41cm£¬s4=2.91cm£®ÔÚС³µ¾­¹ý¼ÆÊýµã3ʱ£¬Ð¡³µµÄËٶȷֱðΪ£ºV3=______cm/s£®Ð¡³µµÄ¼ÓËÙ¶ÈΪ______m/s2£¨È¡¶þλÓÐЧÊý×Ö£©£®

½â£º£¨1£©µç»ð»¨´òµã¼ÆʱÆ÷ʹÓõÄÊǽ»Á÷µçÔ´£¬Ã¿¸ö0.02s´òÒ»´Îµã£®
£¨2£©ÔÚÖ½´øÉÏÖ±½ÓµÃµ½µÄÎïÀíÁ¿ÓÐʱ¼ä¼ä¸ô¡¢Î»ÒÆ£®Ë²Ê±ËٶȺÍƽ¾ùËÙ¶ÈÐèͨ¹ý¼ÆËãµÃ³ö£®¹ÊABÕýÈ·£¬C¡¢D´íÎó£®
¹ÊÑ¡AB£®
£¨3£©ÔÚʵÑéÖУ¬Ó¦ÏȽÓͨµçÔ´£¬ÔÙÊÍ·ÅÖ½´ø£®¹ÊAÕýÈ·£¬B¡¢C¡¢D´íÎó£®
¹ÊÑ¡A£®
£¨4£©Ð¡³µ¾­¹ý¼ÆÊýµã3ʱµÄËٶȵÈÓÚ2¡¢4Á½µãµÄƽ¾ùËٶȣ¬Ôò=0.216m/s=0.22m/s£®
¸ù¾Ý¡÷x=aT2µÃ£¬a=£®
¹Ê´ð°¸Îª£º£¨1£©½»Á÷µç£¬0.02£¬£¨2£©AB £¨3£©A £¨4£©0.22£¬0.50£®
·ÖÎö£º¸ù¾Ýij¶Îʱ¼äÄÚµÄƽ¾ùËٶȵÈÓÚÖмäʱ¿ÌµÄËÙ¶ÈÇó³ö˲ʱËٶȵĴóС£¬¸ù¾ÝÁ¬ÐøÏàµÈʱ¼äÄÚµÄλÒÆÖ®²îÊÇÒ»ºãÁ¿Çó³öС³µµÄ¼ÓËٶȣ®
µãÆÀ£º½â¾ö±¾ÌâµÄ¹Ø¼üÕÆÎÕÖ½´øµÄ´¦Àí·½·¨£¬»áÇó˲ʱËٶȺͼÓËٶȵĴóС£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©µç»ð»¨¼ÆʱÆ÷ÊÇʹÓÃ
½»Á÷µç
½»Á÷µç
£¨Ö±Á÷µç£¬½»Á÷µç£©µçÔ´µÄÒÇÆ÷£¬Ëüÿ¸ô
0.02
0.02
Ãë´òÒ»´Îµã£®
£¨2£©¸ù¾Ý´òµã¼ÆʱÆ÷´ò³öµÄÖ½´ø£¬ÎÒÃÇ¿ÉÒÔ´ÓÖ½´øÉÏÖ±½ÓµÃµ½µÄÎïÀíÁ¿ÊÇ
AB
AB

A£®Ê±¼ä¼ä¸ô      B£®Î»ÒÆ      C£®Ë²Ê±ËٶȠ     D£®Æ½¾ùËÙ¶È
£¨3£©½Óͨµç»ð»¨¼ÆʱÆ÷µçÔ´ºÍÈÃÖ½´ø¿ªÊ¼Ô˶¯£¬ÕâÁ½¸ö²Ù×÷Ö®¼äµÄʱ¼ä˳Ðò¹ØϵÊÇ
A
A

A£®ÏȽÓͨµçÔ´£¬ºóÈÃÖ½´øÔ˶¯   B£®ÏÈÈÃÖ½´øÔ˶¯£¬ÔÙ½ÓͨµçÔ´
C£®ÈÃÖ½´øÔ˶¯µÄͬʱ½ÓͨµçÔ´   D£®ÏÈÈÃÖ½´øÔ˶¯»òÏȽÓͨµçÔ´¶¼¿ÉÒÔ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©µç»ð»¨¼ÆʱÆ÷ÊÇʹÓÃ
½»Á÷µç
½»Á÷µç
£¨Ö±Á÷µç£¬½»Á÷µç£©µçÔ´µÄÒÇÆ÷£¬Ëüÿ¸ô
0.02
0.02
Ãë´òÒ»´Îµã£®
£¨2£©¸ù¾Ý´òµã¼ÆʱÆ÷´ò³öµÄÖ½´ø£¬ÎÒÃÇ¿ÉÒÔ´ÓÖ½´øÉÏÖ±½ÓµÃµ½µÄÎïÀíÁ¿ÊÇ
AB
AB

A£®Ê±¼ä¼ä¸ô      B£®Î»ÒÆ      C£®Ë²Ê±ËٶȠ     D£®Æ½¾ùËÙ¶È
£¨3£©½Óͨµç»ð»¨¼ÆʱÆ÷µçÔ´ºÍÈÃÖ½´ø¿ªÊ¼Ô˶¯£¬ÕâÁ½¸ö²Ù×÷Ö®¼äµÄʱ¼ä˳Ðò¹ØϵÊÇ
A
A

A£®ÏȽÓͨµçÔ´£¬ºóÈÃÖ½´øÔ˶¯   B£®ÏÈÈÃÖ½´øÔ˶¯£¬ÔÙ½ÓͨµçÔ´
C£®ÈÃÖ½´øÔ˶¯µÄͬʱ½ÓͨµçÔ´   D£®ÏÈÈÃÖ½´øÔ˶¯»òÏȽÓͨµçÔ´¶¼¿ÉÒÔ
£¨4£©ÀûÓôòµã¼ÆʱÆ÷¡¶²âС³µµÄ¼ÓËٶȡ·£¬Èçͼ¸ø³öÁ˸ôÎʵÑéÖУ¬´Ó0µã¿ªÊ¼£¬Ã¿5¸öµãÈ¡Ò»¸ö¼ÆÊýµãµÄÖ½´ø£¬ÆäÖÐ1¡¢2¡¢3¡¢4¡¢5¡¢6¶¼Îª¼ÇÊýµã£®²âµÃ£ºs1=1.41cm£¬s2=1.91cm£¬s3=2.41cm£¬s4=2.91cm£®ÔÚС³µ¾­¹ý¼ÆÊýµã3ʱ£¬Ð¡³µµÄËٶȷֱðΪ£ºV3=
0.22
0.22
cm/s£®Ð¡³µµÄ¼ÓËÙ¶ÈΪ
0.50
0.50
m/s2£¨È¡¶þλÓÐЧÊý×Ö£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©µç»ð»¨¼ÆʱÆ÷ÊÇʹÓÃ
½»Á÷µç
½»Á÷µç
£¨Ö±Á÷µç£¬½»Á÷µç£©µçÔ´µÄÒÇÆ÷£¬Ëüÿ¸ô
0.02
0.02
Ãë´òÒ»´Îµã£®
£¨2£©ÔÚ¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬´òµã¼ÆʱÆ÷ʹÓõĽ»Á÷µçÔ´µÄƵÂÊΪ50Hz£¬¼Ç¼С³µÔ˶¯µÄÖ½´øÈçͼËùʾ£¬ÔÚÖ½´øÉÏÒÀ´ÎÑ¡Ôñ6¸öʵ¼ÊµãA¡¢B¡¢C¡¢D¡¢E¡¢F£¬¸÷ÏàÁÚµã¼äµÄ¾àÀëÒÀ´ÎÊÇ2.0cm¡¢3.0cm¡¢4.0cm¡¢5.0cm¡¢6.0cm£®¸ù¾Ýѧ¹ýµÄ֪ʶ¿ÉÒÔÇó³öС³µÔÚBµãµÄËÙ¶ÈΪvB=
1.25
1.25
m/s£¬CE¼äµÄƽ¾ùËÙ¶ÈΪ
2.25
2.25
m/s£»£¨¾ù±£Áô3λÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º½â´ðÌâ

£¨1£©µç»ð»¨¼ÆʱÆ÷ÊÇʹÓÃ______£¨Ö±Á÷µç£¬½»Á÷µç£©µçÔ´µÄÒÇÆ÷£¬Ëüÿ¸ô______Ãë´òÒ»´Îµã£®
£¨2£©¸ù¾Ý´òµã¼ÆʱÆ÷´ò³öµÄÖ½´ø£¬ÎÒÃÇ¿ÉÒÔ´ÓÖ½´øÉÏÖ±½ÓµÃµ½µÄÎïÀíÁ¿ÊÇ______
A£®Ê±¼ä¼ä¸ô¡¡¡¡¡¡B£®Î»ÒÆ¡¡¡¡¡¡C£®Ë²Ê±Ëٶȡ¡¡¡¡¡D£®Æ½¾ùËÙ¶È
£¨3£©½Óͨµç»ð»¨¼ÆʱÆ÷µçÔ´ºÍÈÃÖ½´ø¿ªÊ¼Ô˶¯£¬ÕâÁ½¸ö²Ù×÷Ö®¼äµÄʱ¼ä˳Ðò¹ØϵÊÇ______
A£®ÏȽÓͨµçÔ´£¬ºóÈÃÖ½´øÔ˶¯¡¡ B£®ÏÈÈÃÖ½´øÔ˶¯£¬ÔÙ½ÓͨµçÔ´
C£®ÈÃÖ½´øÔ˶¯µÄͬʱ½ÓͨµçÔ´¡¡ D£®ÏÈÈÃÖ½´øÔ˶¯»òÏȽÓͨµçÔ´¶¼¿ÉÒÔ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨10·Ö£©£¨1£©µç»ð»¨¼ÆʱÆ÷ÊÇʹÓÃ_______£¨Ö±Á÷µç£¬½»Á÷µç£©µçÔ´µÄÒÇÆ÷£¬Ëüÿ¸ô_______Ãë´òÒ»´Îµã¡£

£¨2£©¸ù¾Ý´òµã¼ÆʱÆ÷´ò³öµÄÖ½´ø£¬ÎÒÃÇ¿ÉÒÔ´ÓÖ½´øÉÏÖ±½ÓµÃµ½µÄÎïÀíÁ¿ÊÇ_______

A£®Ê±¼ä¼ä¸ô      B£®Î»ÒÆ      C£®Ë²Ê±ËٶȠ     D£®Æ½¾ùËÙ¶È

£¨3£©½Óͨµç»ð»¨¼ÆʱÆ÷µçÔ´ºÍÈÃÖ½´ø¿ªÊ¼Ô˶¯£¬ÕâÁ½¸ö²Ù×÷Ö®¼äµÄʱ¼ä˳Ðò¹ØϵÊÇ_______

A£®ÏȽÓͨµçÔ´£¬ºóÈÃÖ½´øÔ˶¯   B£®ÏÈÈÃÖ½´øÔ˶¯£¬ÔÙ½ÓͨµçÔ´

C£®ÈÃÖ½´øÔ˶¯µÄͬʱ½ÓͨµçÔ´   D£®ÏÈÈÃÖ½´øÔ˶¯»òÏȽÓͨµçÔ´¶¼¿ÉÒÔ

£¨4£©ÔÚ¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬´òµã¼ÆʱÆ÷ʹÓõĽ»Á÷µçÔ´µÄƵÂÊΪ50Hz£¬¼Ç¼С³µÔ˶¯µÄÖ½´øÈçͼËùʾ£¬ÔÚÖ½´øÉÏÒÀ´ÎÑ¡Ôñ6¸öʵ¼ÊµãA¡¢B¡¢C¡¢D¡¢E¡¢F£¬¸÷ÏàÁÚµã¼äµÄ¾àÀëÒÀ´ÎÊÇ2.0cm¡¢3.0cm¡¢4.0cm¡¢5.0cm¡¢6.0cm¡£

¸ù¾Ýѧ¹ýµÄ֪ʶ¿ÉÒÔÇó³öС³µÔÚBµãµÄËÙ¶ÈΪvB£½_______m/s£¬£¨±£ÁôÁ½Î»Ð¡Êý£©

CE¼äµÄƽ¾ùËÙ¶ÈΪ_______ m/s£»£¨±£ÁôÁ½Î»Ð¡Êý£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸