ijͬѧҪ̽¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤µÄ¹Øϵ£¬²¢²âµ¯»ÉµÄ¾¢¶ÈϵÊýk¡£×ö·¨ÊÇÏȽ«´ý²âµ¯»ÉµÄÒ»¶Ë¹Ì¶¨ÔÚÌú¼Ų̈ÉÏ£¬È»ºó½«×îС¿Ì¶ÈÊǺÁÃ׵Ŀ̶ȳßÊúÖ±·ÅÔÚµ¯»ÉÒ»²à£¬²¢Ê¹µ¯»ÉÁíÒ»¶ËµÄÖ¸Õë
¡ò ÌâÄ¿
ijͬѧҪ̽¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤µÄ¹Øϵ£¬²¢²âµ¯»ÉµÄ¾¢¶ÈϵÊýk¡£×ö·¨ÊÇÏȽ«´ý²âµ¯»ÉµÄÒ»¶Ë¹Ì¶¨ÔÚÌú¼Ų̈ÉÏ£¬È»ºó½«×îС¿Ì¶ÈÊǺÁÃ׵Ŀ̶ȳßÊúÖ±·ÅÔÚµ¯»ÉÒ»²à£¬²¢Ê¹µ¯»ÉÁíÒ»¶ËµÄÖ¸ÕëÇ¡ºÃÂäÔڿ̶ȳßÉÏ¡£µ±µ¯»É×ÔȻϴ¹Ê±£¬Ö¸ÕëָʾµÄ¿Ì¶ÈÊýÖµ¼Ç×÷L0£¬µ¯»É϶ËÿÔö¼ÓÒ»¸ö50gµÄíÀÂëʱ£¬Ö¸ÕëʾÊý·Ö±ð¼Ç×÷L1¡¢L2¡¢¡¡¡¢L7¡£ £¨1£©Ï±í¼Ç¼µÄÊǸÃͬѧ²â³öµÄ8¸öÖµ£º |
¸ù¾Ý±íÖÐÊý¾Ý£¬Óá°Öð²î·¨¡±¼ÆËã³öÿÔö¼Ó50gíÀÂëʱµ¯»Éƽ¾ùÉ쳤Á¿µÄÊýֵΪ=___________cm£» £¨2£©¸ù¾ÝÒÔÉÏÊý¾Ý£¬Çó³öµ¯»ÉµÄ¾¢¶ÈϵÊýk=___________ N/m¡££¨gÈ¡9.8m/s2£© |
¡ò ´ð°¸
£¨1£©1.75 £¨2£©28 |
¡ò ½âÎö
¡°ÂÔ¡±¡ò ֪ʶµã
ר¼Ò·ÖÎö£¬ÊÔÌ⡰ijͬѧҪ̽¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤µÄ¹Øϵ£¬²¢²âµ¯»ÉµÄ¾¢¶ÈϵÊýk¡£×ö·¨ÊÇÏȽ«´ý²âµ¯»ÉµÄÒ»¶Ë¹Ì¶¨ÔÚÌú¼Ų̈ÉÏ£¬È»ºó½«×îС¿Ì¶ÈÊǺÁÃ׵Ŀ̶ȳßÊúÖ±·ÅÔÚµ¯»ÉÒ»²à£¬²¢Ê¹µ¯»ÉÁíÒ»¶ËµÄÖ¸Õë¡¡±Ö÷Òª¿¼²éÁËÄã¶Ô ¡¾ÊµÑ飺̽¾¿µ¯Á¦Ó뵯»ÉÉ쳤µÄ¹Øϵ¡¿ µÈ֪ʶµãµÄÀí½âºÍÓ¦ÓÃÄÜÁ¦¡£¹ØÓÚÕâЩ֪ʶµãµÄ¡°µµ°¸¡±£¬Äã¿ÉÒÔµã»÷ÏàÓ¦µÄÁ´½Ó½øÐв鿴ºÍѧϰ¡£- ×îÐÂÄÚÈÝ
- Ïà¹ØÄÚÈÝ
- ÍøÓÑÍƼö
- ͼÎÄÍƼö
ÉÏһƪ£ºÔÚ¡°Ì½¾¿µ¯»Éµ¯Á¦´óСÓëÉ쳤Á¿µÄ¹Øϵ¡±µÄʵÑéÖУ¬¼×¡¢ÒÒÁ½Î»Í¬Ñ§Ñ¡Óò»Í¬µÄÏðƤÉþ´úÌ浯»É¡£Îª²âÁ¿ÏðƤÉþµÄ¾¢¶ÈϵÊý£¬ËûÃÇÔÚÏðƤÉþ϶ËÒÀ´ÎÖð¸ö¹ÒÉϹ³Â루ÿ¸ö¹³ÂëµÄÖÊÁ¿¾ùΪm=
ÏÂһƪ£ºÔÚ̽¾¿µ¯»ÉµÄµ¯Á¦ÓëÆäÐαä¹ØϵµÄʵÑéÖУ¬½«µ¯»Éˮƽ·ÅÖòâ³öÆä×ÔÈ»³¤¶È£¬È»ºóÊúÖ±Ðü¹ÒÈÃÆä×ÔȻϴ¹£¬ÔÚÆä϶ËÊúÖ±ÏòÏÂÊ©¼ÓÁ¦F£¬ÊµÑéÊÇÔÚµ¯ÐÔÏÞ¶ÈÄÚ½øÐеģ¬ÓüǼµÄÍâÁ¦FÓ뵯
ÁãÁã½ÌÓýÉçÇø£ºÂÛ̳ÈÈÌû×Ó
[¸ß¿¼] 2022 Î÷°²µç×ӿƼ¼´óѧ¡¶Èí¼þ¹¤³Ì¡·´ó×÷Òµ´ð°¸ (2022-04-25) |
[¼Ò³¤½ÌÓý] º¢×ÓΪʲô»áºÍ¸¸Ä¸¸ÐÇéÊèÀ룿 (2019-07-14) |
[½Ìʦ·ÖÏí] ¸øÔ¶·½½ã½ãµÄÒ»·âÐÅ (2018-11-07) |
[½Ìʦ·ÖÏí] ÉìËõÃÅ (2018-11-07) |
[½Ìʦ·ÖÏí] »Ø¼ÒÏç (2018-11-07) |
[½Ìʦ·ÖÏí] ÊÇ·çζҲÊÇÈ˼ä (2018-11-07) |
[½Ìʦ·ÖÏí] Ò»¾ä¸ñÑÔµÄÆôʾ (2018-11-07) |
[½Ìʦ·ÖÏí] ÎÞ¹æ¾Ø²»³É·½Ô² (2018-11-07) |
[½Ìʦ·ÖÏí] µÚÊ®½ìÈ«¹ú½ÌÓýÃû¼ÒÂÛ̳ÓиУ¨¶þ£© (2018-11-07) |
[½Ìʦ·ÖÏí] Ì°ÍæµÄС¹· (2018-11-07) |