ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿Ò»Áмòгºá²¨ÑØxÖáÕý·½Ïò´«²¥£¬ÒÑÖªÖÜÆÚT=0.2s£¬t=0ʱ¿ÌµÄ²¨ÐÎÈçͼËùʾ£¬²¨ÉÏÓÐP¡¢QÁ½Öʵ㣬Æä×Ý×ø±ê·Ö±ðΪyP=2cm£¬yQ= -2cm£¬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©

A. ¸Ã²¨µÄ²¨ËÙΪ10m/s

B. ÔÚ0.25sÄÚ£¬Pµãͨ¹ýµÄ·³ÌΪ20cm

C. PµãµÄÕñ¶¯ÐÎʽ´«µ½QµãÐèÒª°ë¸öÖÜÆÚ

D. P¡¢QÔÚÕñ¶¯µÄ¹ý³ÌÖУ¬Î»ÒƵĴóС×ÜÏàµÈ

E. ÔÚÏàµÈµÄʱ¼äÄÚ£¬P¡¢QÁ½Öʵãͨ¹ýµÄ·³Ì²»ÏàµÈ

¡¾´ð°¸¡¿ACD

¡¾½âÎö¡¿A£ºÓɲ¨ÐÎͼ¿ÉµÃ£¬Ôò¸Ã²¨µÄ²¨ËÙ¡£¹ÊAÏîÕýÈ·¡£

B£ºÔÚÒ»¸öÖÜÆÚ(0.20s)ÄÚ£¬Pµãͨ¹ýµÄ·³ÌΪ4¸öÕñ·ù£¬¼´£»Òò²¨ÑØxÖáÕý·½Ïò´«²¥£¬ÖʵãPÔÚͼʾλÖÃÏòÉÏÕñ¶¯£¬ ÖÜÆÚ(0.05s)ÄÚÔ˶¯Â·³ÌСÓÚ1¸öÕñ·ù4cm¡£ÔòÔÚ0.25sÄÚ£¬Pµãͨ¹ýµÄ·³ÌСÓÚ20cm¡£¹ÊBÏî´íÎó¡£

C£ºÓɲ¨µÄͼÏóÖª£¬P¡¢QÁ½µãÏà²î°ë¸ö²¨³¤£¬²¨ÑØxÖáÕý·½Ïò´«²¥£¬PµãµÄÕñ¶¯ÐÎʽ´«µ½QµãÐèÒª°ë¸öÖÜÆÚ¡£¹ÊCÏîÕýÈ·¡£

D£ºP¡¢QÁ½µãÏà²î°ë¸ö²¨³¤£¬P¡¢QÔÚÕñ¶¯µÄ¹ý³ÌÖУ¬Î»ÒƵĴóС×ÜÊÇÏàµÈ£¬·½ÏòÏà·´¡£¹ÊDÏîÕýÈ·¡£

E£ºP¡¢QÁ½µãÏà²î°ë¸ö²¨³¤£¬P¡¢QÔÚÕñ¶¯µÄ¹ý³ÌÖУ¬Î»ÒƵĴóС×ÜÊÇÏàµÈ£¬·½ÏòÏà·´£¬ÔÚÏàµÈʱ¼äÄÚͨ¹ýµÄ·³ÌÏàµÈ¡£¹ÊEÏî´íÎó¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

¡¾ÌâÄ¿¡¿Ä³ÊµÑéС×é¸ù¾Ý½Ì²ÄÖеġ°Ãè»æСµÆÅݵķü°²ÌØÐÔÇúÏß¡±ºÍ¡°²â¶¨µçÔ´µç¶¯ÊƺÍÄÚ×衱Á½ÊµÑéµÄÔ­Àí£¬Éè¼ÆÁËÄÜͬʱ´ï³ÉÁ½ÊµÑéÄ¿µÄµÄʵÑé·½°¸¡£Ð¡×é³ÉÔ±´ÓʵÑéÊÒÕÒµ½ÁËÏÂÁÐʵÑéÆ÷²Ä£º

A£®´ý²âСµÆÅÝ£¨¶î¶¨µçѹ1.5V£¬¶î¶¨¹¦ÂÊԼΪ1.5W£©£»

B£®´ý²âµçÔ´E£¨µç¶¯ÊÆԼΪ6V£¬ÄÚ×èrºÜС£©£»

C£®Ö±Á÷µçÁ÷±íA£¨Á¿³ÌΪ0 ~ 1A£¬ÄÚ×èRAԼΪ0.02¦¸£©£»

D£®Ö±Á÷µçѹ±í£¨Á¿³ÌΪ0 ~ 2V£¬ÄÚ×èԼΪ3k¦¸£©£»

E£®Ö±Á÷µçѹ±í£¨Á¿³ÌΪ0 ~ 4.5V£¬ÄÚ×èԼΪ30k¦¸£©£»

F£®»¬¶¯±ä×èÆ÷£¬×î´ó×èֵΪ15¦¸£¬¶î¶¨µçÁ÷2A£»

G£®»¬¶¯±ä×èÆ÷£¬×î´ó×èֵΪ2¦¸£¬¶î¶¨µçÁ÷1A£»

H£®¶¨Öµµç×裬×èֵΪ5¦¸£»

I£®¶¨Öµµç×裬×èֵΪ50¦¸£»

J£®µ¥µ¶µ¥ÖÀ¿ª¹ØS£¬µ¼ÏßÈô¸É¡£

£¨1£©¸ÃʵÑéС×éͬѧÉè¼ÆÁËͼ¼×ËùʾµÄʵÑéµç·£¬Çë¸ù¾ÝʵÑéÄ¿µÄ½«ÐéÏß¿òÄڵĵç·Á¬½ÓÍêÕû____£¬ÊµÑ鿪ʼǰӦ½«»¬¶¯±ä×èÆ÷µÄ»¬Æ¬ÖÃÓÚ______¶Ë£¨Ìî¡°a¡±»ò¡°b¡±£©¡£

£¨2£©Îª·½±ã¿ØÖƵç·²¢´ïµ½²âÁ¿Ä¿µÄ£¬»¬¶¯±ä×èÆ÷ӦѡÔñ_______£»Îª±£»¤µç·£¬²¢Ê¹²âÁ¿µç±í×î´ó¶ÁÊý¾ùÄÜ´ïµ½°ëÆ«ÒÔÉÏ£¬±£»¤µç×èӦѡÓö¨Öµµç×èÖеÄ______£¨¾ùÌîдÆ÷²ÄÇ°µÄ×ÖĸÐòºÅ£©¡£

£¨3£©¸Ä±ä»¬¶¯±ä×èÆ÷»¬Æ¬Î»Öõõ½¶à×éµçÁ÷ºÍ¶ÔÓ¦µçѹµÄÊýÖµ£¬²¢½«ÆäÃè»æ³ÉͼÒÒËùʾµÄU - IͼÏߣ¬¸ù¾ÝͼÏßÖеÄÊý¾Ý¿ÉÖªµçÔ´µç¶¯ÊÆEΪ_______V£¬ÄÚ×èrΪ_______¦¸£¬Ð¡µÆÅݵĶ¹¦ÂÊΪ_______W¡££¨½á¹û¾ù±£Áô2λÓÐЧÊý×Ö£©

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø