£¨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£®

½â£º£¨1£©µç»ð»¨¼ÆʱÆ÷ÊÇʹÓõÄÊÇ220V½»Á÷µç£¬Õý³£¹¤×÷ʱÿ¸ô0.02s´òÒ»¸öµã£®
£¨2£©A¡¢´òµã¼ÆʱÆ÷ÊÇÿ¸ô0.02s´òÏÂÒ»¸öµã£¬ËùÒÔÊýµã¾ÍÖªµÀʱ¼ä¼ä¸ô£¬¹ÊAÕýÈ·£»
B¡¢Î»ÒÆÀûÓÿ̶ȳßÖ±½Ó²âÁ¿Á½µãÖ®¼äµÄ¾àÀë¾ÍµÃÁË£®¹ÊBÕýÈ·£®
C¡¢Ë²Ê±ËٶȵÄÇó½âÐèÒªÔËÓÃÔȱäËÙÖ±ÏßÔ˶¯µÄ¹«Ê½£¬¹ÊC´íÎó£®
D¡¢Æ½¾ùËٶȵÄÇó½âÐèÒªÔËÓÃÎïÀí¹«Ê½£¬¹ÊD´íÎó£®
¹ÊÑ¡AB£®
£¨3£©Èç¹ûÏÈÊÍ·ÅÖ½´øºó½ÓͨµçÔ´£¬ÓпÉÄÜ»á³öÏÖС³µÒѾ­Í϶¯Ö½´øÔ˶¯Ò»¶Î¾àÀ룬µçÔ´²Å±»½Óͨ£¬ÄÇôֽ´øÉÏÖ»ÓкÜСµÄÒ»¶ÎÄÜ´òÉϵ㣬´ó²¿·ÖÖ½´øûÓдòÉϵ㣬ֽ´øµÄÀûÓÃÂÊÌ«µÍ£»ËùÒÔÓ¦µ±ÏȽÓͨµçÔ´£¬ºóÈÃÖ½´øÔ˶¯£¬¹ÊAÕýÈ·£®
¹ÊÑ¡£ºA
¹Ê´ð°¸Îª£º½»Á÷µç£»0.02£»AB£»A
·ÖÎö£ºÁ˽â´òµã¼ÆʱÆ÷µÄ¹¤×÷Ô­Àí£¬¾ÍÄܹ»ÊìÁ·Ê¹Óôòµã¼ÆʱÆ÷±ãÄÜÕýÈ·½â´ð£®
µãÆÀ£º¶ÔÓÚ»ù±¾ÊµÑéÒÇÆ÷²»¹âÒªÁ˽âÆ乤×÷Ô­Àí£¬»¹Òª´Óʵ¼ùÉÏÈ¥Á˽âËü£¬×Ô¼º¶¯ÊÖȥʵ¼Ê²Ù×÷£¬´ïµ½ÊìÁ·Ê¹Óõij̶ȣ®
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£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°¸