ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÔÚ̽¾¿¡°Í¨µçÂÝÏ߹ܵÄÍⲿ´Å³¡¡±µÄʵÑéÖУ¬Ð¡Ã÷ÔÚÂÝÏß¹ÜÖÜΧ°Ú·ÅÁËһЩС´ÅÕ룮
¡¡¡¡¡¡
¡¡¡¡¼×¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ÒÒ
(1)ͨµçºóС´ÅÕ뾲ֹʱµÄ·Ö²¼Èçͼ¼×Ëùʾ£¬ÓÉ´Ë¿É¿´³öͨµçÂÝÏß¹ÜÍⲿµÄ´Å³¡Óë_____µÄ´Å³¡ÏàËÆ£®
(2)СÃ÷¸Ä±äͨµçÂÝÏß¹ÜÖеĵçÁ÷·½Ïò£¬·¢ÏÖС´ÅÕëÖ¸Ïòת¶¯180¡ã£¬Äϱ±¼«·¢ÉúÁ˶Ե÷£¬ÓÉ´Ë¿ÉÖª£ºÍ¨µçÂÝÏß¹ÜÍⲿµÄ´Å³¡·½ÏòÓëÂÝÏß¹ÜÖÐ______·½ÏòÓйأ®
(3)СÃ÷¼ÌÐøʵÑé̽¾¿£¬²¢°´Í¼ÒÒÁ¬½Óµç·£¬ËûÏȽ«¿ª¹ØS½Óa£¬¹Û²ìµçÁ÷±íµÄʾÊý¼°ÎüÒý´óÍ·ÕëµÄÊýÄ¿£»ÔÙ½«¿ª¹ØS´Óa»»µ½b£¬µ÷½Ú±ä×èÆ÷µÄ»¬Æ¬P£¬Ôٴι۲ìµçÁ÷±íµÄʾÊý¼°ÎüÒý´óÍ·ÕëµÄÊýÄ¿£¬´Ëʱµ÷½Ú»¬¶¯±ä×èÆ÷ÊÇΪÁË_______£¬À´Ì½¾¿________µÄ¹Øϵ£®
¡¾´ð°¸¡¿ÌõÐδÅÌåµçÁ÷¿ØÖÆÁ½´ÎʵÑéµÄµçÁ÷´óС²»±äͨµçÂÝÏ߹ܴų¡Ç¿ÈõÓëÏßȦÔÑÊý
¡¾½âÎö¡¿
½â£º£¨1£©Í¨µçÂÝÏ߹ܵĴų¡·Ö²¼ÓëÌõÐδÅÌåÏàËÆ£»£¨2£©Èç¹û¸Ä±äÂÝÏß¹ÜÖеĵçÁ÷·½Ïò£¬·¢ÏÖС´ÅÕëת¶¯180¡ã£¬Äϱ±¼«ËùÖ¸·½Ïò·¢ÉúÁ˸ı䣬ÓÉ´Ë¿ÉÖª£ºÍ¨µçÂÝÏß¹ÜÍⲿ´Å³¡·½ÏòÓëÂÝÏß¹ÜÖеĵçÁ÷·½ÏòÓйء££¨3£©ÊµÑéÖУ¬Ëû½«¿ª¹ØS´Óa»»µ½bÉÏʱ£¬Á¬Èëµç·µÄÏßȦÔÑÊý·¢ÉúÁ˱仯£¬ÎªÁ˱£Ö¤µçÁ÷²»±ä£¬Ó¦µ÷½Ú±ä×èÆ÷µÄ»¬Æ¬P£¬¿ØÖÆÁ½´ÎʵÑéµÄµçÁ÷´óС²»±ä£¬Ôٴι۲ìµçÁ÷±íʾÊý¼°ÎüÒýµÄ»ØÐÎÕëÊýÄ¿£¬ÕâÑù²ÅÄÜ̽¾¿³öͨµçÂÝÏ߹ܴų¡Ç¿ÈõÓëÏßȦÔÑÊýµÄ¹Øϵ¡£
¡¾ÌâÄ¿¡¿ÔÚ̽¾¿¡°ÆøÅݵÄËٶȡ±ÊµÑéÖУ¬Ð¡Ñ©Ñ¡Óó¤80 cm¡¢ÄÚ¾¶10 mmµÄ¾ùÔȲ£Á§Ö±¹Ü½øÐÐʵÑ飬ÔÚ¹ÜÄÚ×¢ÂúË®£¬ÔڹܵÄÏ·½ÓÃ×¢ÉäÆ÷×¢ÈëСÆøÅÝ£®²âÁ¿Ð¡ÆøÅÝÔÚ¹ÜÄÚÉÏÉý¹ý³ÌÖеÄËÙ¶È.
(1)¸ÃʵÑéµÄÔÀíÊÇ______________£®
(2)СѩµÄʵÑéÊý¾ÝÈçϱíËùʾ£¬¸ù¾ÝСѩµÄʵÑéÊý¾Ý£¬ÇëÄãÓá°ÊµÐÄÔ²µã¡±ÔÚͼÖбê³ö²»Í¬Ê±¿ÌÆøÅݵÄλÖ㬲¢½«ÕâЩµãÓù⻬ÇúÏßÁ¬½ÓÆðÀ´.
£¨_______£©
ʱ¼ät/s | ·³Ìs/cm |
0 | 0 |
4 | 12 |
8 | 24 |
12 | 36 |
16 | 48 |
20 | 60 |
(3)·ÖÎöÒÔÉÏ̽¾¿¹ý³Ì£¬Ð¡ÆøÅݵÄÔ˶¯ÌصãÊÇ__________________________.
(4)ÏþÍ®ÔÚСѩʵÑéµÄ»ù´¡ÉϽøÐÐÁ˸Ķ¯£¬ÀûÓÃ10 cm³¤µÄÊÔ¹Ü×öʵÑ飬ÓÃ×¢ÉäÆ÷·ÖÈý´ÎÏòÊÔ¹ÜÄÚ×¢È벻ͬµÄСÆøÅÝ£¬»ñÈ¡Ïà¹ØµÄÊý¾Ýºó£¬»³öͼÏñÈçͼËùʾ£¬²¢Çó³öËٶȵÄƽ¾ùÖµ£®ÇëÄã¶ÔÏþÍ®µÄʵÑé½øÐкÏÀíÆÀ¼Û ___________.