¼±!!!¸ß¶þÎïÀí

°Ë¡¢·Ö×Ó¶¯ÀíÂÛ¡¢ÄÜÁ¿Êغ㶨ÂÉ 1.°¢·ü¼ÓµÂÂÞ³£ÊýNA=6.02¡Á1023/mol;·Ö×ÓÖ±¾¶ÊýÁ¿¼¶10-10Ã× 2.ÓÍĤ·¨²â·Ö×ÓÖ±¾¶d=V/s {V:µ¥·Ö×ÓÓÍĤµÄÌå...


Òª¸ßÒ»¸ß¶þµÄÎïÀí֪ʶ¹«Ê½

µÚ¶þÕ ֱÏßÔ˶¯ Ëٶȹ«Ê½£º vt = v0 + at ¢Ù λÒƹ«Ê½£º s = v0t + at2 ¢Ú ËÙ¶ÈλÒƹØ...


¹¦ÂÊ·ÖÎöÒǵÄÓй¦¹¦ÂʲâÁ¿Ô­ÀíÊÇʲô,ÈçºÎÔÚ±äƵÆ÷...

1¡¢Ïàλ·¨ ͨ¹ýÏàλ²âÁ¿µç·²âÁ¿µçѹ¡¢µçÁ÷µÄÏàλ²î£¬ÔÙ¸ù¾ÝÕýÏÒµç·Óй¦¹¦ÂʼÆË㹫ʽP=UIcos¦Õ¼ÆËã³öÓÐ...


Ïà¹ØËÑË÷

ÈÈÃÅËÑË÷