ÀûÓõç»ð»¨¼ÆʱÆ÷×öÈçÏÂʵÑé¡£

£¨1£©£¨10·Ö£©¼×ͬѧʹÓÃÈçͼ1ËùʾµÄ×°ÖÃÀ´ÑéÖ¤¡°»úеÄÜÊغ㶨ÂÉ¡±¡£

¢ÙÏÂÃæÊDzÙ×÷²½Ö裺

a£®°´Í¼1°²×°Æ÷²Ä£»

b£®ËÉ¿ªÌú¼Ð£¬Ê¹ÖØ´¸´ø¶¯Ö½´øÏÂÂ䣻

c£®½Óͨµç»ð»¨¼ÆʱÆ÷µçÔ´£¬Ê¹¼ÆʱÆ÷¿ªÊ¼¹¤×÷

d£®½øÐÐÊý¾Ý´¦Àí£º

e£®¸ù¾ÝÐèÒª£¬ÔÚÖ½´øÉϲâÁ¿Êý¾Ý¡£

°ÑÉÏÊö±ØÒªµÄ²Ù×÷²½Öè°´ÕýÈ·µÄ˳ÐòÅÅÁР         .

¢Úµç»ð»¨¼ÆʱÆ÷½ÓÔÚƵÂÊΪ50HzµÄ½»Á÷µçÔ´ÉÏ£¬Í¼2ΪʵÑéÖдò³öµÄÒ»ÌõÖ½´ø£¬´ÓÆðʼµãO¿ªÊ¼£¬½«´ËºóÁ¬Ðø´ò³öµÄ7¸öµãÒÀ´Î±êΪA¡¢B¡¢C¡¢D¡­¡­£¬

µç»ð»¨¼ÆʱÆ÷´òFµãʱ£¬ÖØ´¸ÏÂÂäµÄËÙ¶ÈΪ           m/s¡££¨±£Áôµ½Ð¡ÊýµãºóÁ½Î»£©

¢ÛÈç¹ûÒÑÖªÖØ´¸µÄÖÊÁ¿Îª0£®50kg£¬µ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪ9£®80m£¯s2¡£´Ó´òOµãµ½´òFµãµÄ¹ý³ÌÖУ¬ÖØ´¸ÖØÁ¦ÊÆÄܵļõÉÙÁ¿Îª          J£¬ÖØ´¸¶¯ÄܵÄÔö¼ÓÁ¿Îª     J¡££¨±£Áôµ½Ð¡ÊýµãºóÁ½Î»£©

   £¨2£©£¨8·Ö£©ÒÒͬѧ²ÉÓÃÈçͼ3ËùʾµÄ×°ÖýøÐÐÁËÓйء°¶¯Äܶ¨Àí¡±Ñо¿µÄʵÑé¡£

a£®°´Í¼3°ÑʵÑéÆ÷²Ä°²×°ºÃ£¬²»¹ÒÅäÖØ£¬·´¸´Òƶ¯µæľֱµ½Ð¡³µÄܹ»×öÔÈËÙÖ±ÏßÔ˶¯£»

b£®°ÑϸÏßϵÔÚС³µÉϲ¢Èƹý¶¨»¬ÂÖÐü¹ÒÖÊÁ¿Îª100gµÄÅäÖØ¡£½ÓͨµçÔ´£¬·Å¿ªÐ¡³µ£¬µç»ð»¨¼ÆʱÆ÷ÔÚ±»Ð¡³µ´ø¶¯µÄÖ½´øÉÏ´òÏÂһϵÁе㡣´ÓijµãA¿ªÊ¼£¬´ËºóÔÚÖ½´øÉÏÿ¸ô4¸öµãÈ¡Ò»¸ö¼ÆÊýµã£¬ÒÀ´Î±êΪB¡¢C¡¢D¡­¡­£»

c£®²âÁ¿³öB¡¢C¡¢D¡¢¡­¡­¸÷µãÓëAµãµÄ¾àÀ룬·Ö±ð¼ÇΪ¡¢¡¢¡¢¡­¡­£»

d£®ÓÃÅäÖØÊܵ½µÄÖØÁ¦·Ö±ð³ËÒÔ¡¢¡¢¡¢¡­¡­£¬µÃµ½ÅäÖØÖØÁ¦Ëù×öµÄ¹¦W1¡¢W2¡¢W3¡¢¡­¡­£»£¨ÖØÁ¦¼ÓËÙ¶Èg=9£®80m£¯s2£©

e£®Çó³öB¡¢C¡¢D¡¢¡­¡­¸÷µãËٶȵĴóС£¬·Ö±ð¼ÇΪ¡¢¡¢¡¢¡­¡­£¬ÔÙÇó³öËüÃǵÄƽ·½¡¢¡¢¡¢¡­¡­£»

f£®ÓÃ×Ý×ø±ê±íʾËٶȵÄƽ·½£¬ºá×ø±ê±íʾÅäÖØÖØÁ¦Ëù×öµÄ¹¦W£¬×÷³öͼÏ󣬲¢ÔÚͼÏóÖÐÃè³ö£¨£¬£©×ø±êµã£¬ÔÙÁ¬³ÉͼÏߣ»£¨ÒÔϼÆËã±£Áôµ½Ð¡ÊýµãºóÁ½Î»£©

¢ÙÔÚ²½ÖèdÖУ¬¸Ãͬѧ²âµÃ£¬ÔòÅäÖØÖØÁ¦Ëù×öµÄ¹¦     J£»

¢Ú¸ÃͬѧµÃµ½Í¼ÏóÈçͼ4¡£Í¨¹ýͼÏó¿ÉÖª£¬´òAµãʱ¶ÔӦС³µµÄËٶȠ m£¯s£»

¢ÛС³µµÄÖÊÁ¿M=        kg.

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010-2011ѧÄê±±¾©ÊÐÎ÷³ÇÇø¸ßÈý¶þÄ£Àí¿Æ×ÛºÏÎïÀí²¿·Ö ÌâÐÍ£ºÊµÑéÌâ

ÀûÓõç»ð»¨¼ÆʱÆ÷×öÈçÏÂʵÑé¡£

£¨1£©£¨10·Ö£©¼×ͬѧʹÓÃÈçͼ1ËùʾµÄ×°ÖÃÀ´ÑéÖ¤¡°»úеÄÜÊغ㶨ÂÉ¡±¡£

¢ÙÏÂÃæÊDzÙ×÷²½Ö裺

a£®°´Í¼1°²×°Æ÷²Ä£»

b£®ËÉ¿ªÌú¼Ð£¬Ê¹ÖØ´¸´ø¶¯Ö½´øÏÂÂ䣻

c£®½Óͨµç»ð»¨¼ÆʱÆ÷µçÔ´£¬Ê¹¼ÆʱÆ÷¿ªÊ¼¹¤×÷

d£®½øÐÐÊý¾Ý´¦Àí£º

e£®¸ù¾ÝÐèÒª£¬ÔÚÖ½´øÉϲâÁ¿Êý¾Ý¡£

°ÑÉÏÊö±ØÒªµÄ²Ù×÷²½Öè°´ÕýÈ·µÄ˳ÐòÅÅÁР          .

¢Úµç»ð»¨¼ÆʱÆ÷½ÓÔÚƵÂÊΪ50HzµÄ½»Á÷µçÔ´ÉÏ£¬Í¼2ΪʵÑéÖдò³öµÄÒ»ÌõÖ½´ø£¬´ÓÆðʼµãO¿ªÊ¼£¬½«´ËºóÁ¬Ðø´ò³öµÄ7¸öµãÒÀ´Î±êΪA¡¢B¡¢C¡¢D¡­¡­£¬

µç»ð»¨¼ÆʱÆ÷´òFµãʱ£¬ÖØ´¸ÏÂÂäµÄËÙ¶ÈΪ            m/s¡££¨±£Áôµ½Ð¡ÊýµãºóÁ½Î»£©

¢ÛÈç¹ûÒÑÖªÖØ´¸µÄÖÊÁ¿Îª0£®50kg£¬µ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪ9£®80m£¯s2¡£´Ó´òOµãµ½´òFµãµÄ¹ý³ÌÖУ¬ÖØ´¸ÖØÁ¦ÊÆÄܵļõÉÙÁ¿Îª           J£¬ÖØ´¸¶¯ÄܵÄÔö¼ÓÁ¿Îª     J¡££¨±£Áôµ½Ð¡ÊýµãºóÁ½Î»£©

   £¨2£©£¨8·Ö£©ÒÒͬѧ²ÉÓÃÈçͼ3ËùʾµÄ×°ÖýøÐÐÁËÓйء°¶¯Äܶ¨Àí¡±Ñо¿µÄʵÑé¡£

a£®°´Í¼3°ÑʵÑéÆ÷²Ä°²×°ºÃ£¬²»¹ÒÅäÖØ£¬·´¸´Òƶ¯µæľֱµ½Ð¡³µÄܹ»×öÔÈËÙÖ±ÏßÔ˶¯£»

b£®°ÑϸÏßϵÔÚС³µÉϲ¢Èƹý¶¨»¬ÂÖÐü¹ÒÖÊÁ¿Îª100gµÄÅäÖØ¡£½ÓͨµçÔ´£¬·Å¿ªÐ¡³µ£¬µç»ð»¨¼ÆʱÆ÷ÔÚ±»Ð¡³µ´ø¶¯µÄÖ½´øÉÏ´òÏÂһϵÁе㡣´ÓijµãA¿ªÊ¼£¬´ËºóÔÚÖ½´øÉÏÿ¸ô4¸öµãÈ¡Ò»¸ö¼ÆÊýµã£¬ÒÀ´Î±êΪB¡¢C¡¢D¡­¡­£»

c£®²âÁ¿³öB¡¢C¡¢D¡¢¡­¡­¸÷µãÓëAµãµÄ¾àÀ룬·Ö±ð¼ÇΪ¡¢¡¢¡¢¡­¡­£»

d£®ÓÃÅäÖØÊܵ½µÄÖØÁ¦·Ö±ð³ËÒÔ¡¢¡¢¡¢¡­¡­£¬µÃµ½ÅäÖØÖØÁ¦Ëù×öµÄ¹¦W1¡¢W2¡¢W3¡¢¡­¡­£»£¨ÖØÁ¦¼ÓËÙ¶Èg=9£®80m£¯s2£©

e£®Çó³öB¡¢C¡¢D¡¢¡­¡­¸÷µãËٶȵĴóС£¬·Ö±ð¼ÇΪ¡¢¡¢¡¢¡­¡­£¬ÔÙÇó³öËüÃǵÄƽ·½¡¢¡¢¡¢¡­¡­£»

f£®ÓÃ×Ý×ø±ê±íʾËٶȵÄƽ·½£¬ºá×ø±ê±íʾÅäÖØÖØÁ¦Ëù×öµÄ¹¦W£¬×÷³öͼÏ󣬲¢ÔÚͼÏóÖÐÃè³ö£¨£¬£©×ø±êµã£¬ÔÙÁ¬³ÉͼÏߣ»£¨ÒÔϼÆËã±£Áôµ½Ð¡ÊýµãºóÁ½Î»£©

¢ÙÔÚ²½ÖèdÖУ¬¸Ãͬѧ²âµÃ£¬ÔòÅäÖØÖØÁ¦Ëù×öµÄ¹¦      J£»

¢Ú¸ÃͬѧµÃµ½Í¼ÏóÈçͼ4¡£Í¨¹ýͼÏó¿ÉÖª£¬´òAµãʱ¶ÔӦС³µµÄËٶȠ m£¯s£»

¢ÛС³µµÄÖÊÁ¿M=        kg.

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º±±¾©Ä£ÄâÌâ ÌâÐÍ£ºÊµÑéÌâ

ÀûÓõç»ð»¨¼ÆʱÆ÷×öÈçÏÂʵÑé¡£¼×ͬѧʹÓÃÈçͼ1ËùʾµÄ×°ÖÃÀ´ÑéÖ¤¡°»úеÄÜÊغ㶨ÂÉ¡±¡£
£¨1£©ÏÂÃæÊDzÙ×÷²½Ö裺
a£®°´Í¼1°²×°Æ÷²Ä£»
b£®ËÉ¿ªÌú¼Ð£¬Ê¹ÖØÎï´ø¶¯Ö½´øÏÂÂ䣻
c£®½Óͨµç»ð»¨¼ÆʱÆ÷µçÔ´£¬Ê¹¼ÆʱÆ÷¿ªÊ¼¹¤×÷£»
d£®½øÐÐÊý¾Ý´¦Àí¡£
°ÑÉÏÊö±ØÒªµÄ²Ù×÷²½Öè°´ÕýÈ·µÄ˳ÐòÅÅÁÐ____________¡£
£¨2£©µç»ð»¨¼ÆʱÆ÷½ÓÔÚƵÂÊΪ50HzµÄ½»Á÷µçÔ´ÉÏ£¬Í¼2ΪʵÑéÖдò³öµÄÒ»ÌõÖ½´ø£¬´ÓÆðʼµãO¿ªÊ¼£¬½«´ËºóÁ¬Ðø´ò³öµÄ7¸öµãÒÀ´Î±êΪA¡¢B¡¢C¡¢D¡­¡­£¬µç»ð»¨¼ÆʱÆ÷´òFµãʱ£¬ÖØ´¸ÏÂÂäµÄËÙ¶ÈΪ____________m/s¡££¨±£Áôµ½Ð¡ÊýµãºóÁ½Î»£©
£¨3£©Èç¹ûÒÑÖªÖØ´¸µÄÖÊÁ¿Îª0.50 kg£¬µ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪ9.80m/s2¡£´Ó´òµãµ½´òFµãµÄ¹ý³ÌÖУ¬ÖØ´¸ÖØÁ¦ÊÆÄܵļõÉÙÁ¿Îª____________J£¬ÖØ´¸¶¯ÄܵÄÔö¼ÓÁ¿Îª____________J¡££¨±£Áôµ½Ð¡ÊýµãºóÁ½Î»£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÀûÓõç»ð»¨¼ÆʱÆ÷×öÈçÏÂʵÑé¡£

£¨1£©£¨10·Ö£©¼×ͬѧʹÓÃÈçͼ1ËùʾµÄ×°ÖÃÀ´ÑéÖ¤¡°»úеÄÜÊغ㶨ÂÉ¡±¡£

¢ÙÏÂÃæÊDzÙ×÷²½Ö裺

a£®°´Í¼1°²×°Æ÷²Ä£»

b£®ËÉ¿ªÌú¼Ð£¬Ê¹ÖØÎï´ø¶¯Ö½´øÏÂÂ䣻

c£®½Óͨµç»ð»¨¼ÆʱÆ÷µçÔ´£¬Ê¹¼ÆʱÆ÷¿ªÊ¼¹¤×÷£»

d£®½øÐÐÊý¾Ý´¦Àí£»

e£®¸ù¾ÝÐèÒª£¬ÔÚÖ½´øÉϲâÁ¿Êý¾Ý¡£°ÑÉÏÊö±ØÒªµÄ²Ù×÷²½Öè°´ÕýÈ·µÄ˳ÐòÅÅÁР                                   ¡£

¢Úµç»ð»¨¼ÆʱÆ÷½ÓÔÚƵÂÊΪ50HzµÄ½»Á÷µçÔ´ÉÏ£¬Í¼2ΪʵÑéÖдò³öµÄÒ»ÌõÖ½´ø£¬´ÓÆðʼµãO¿ªÊ¼£¬½«´ËºóÁ¬Ðø´ò³öµÄ7¸öµãÒÀ´Î±êΪA¡¢B¡¢C¡¢D¡­¡­£¬

µç»ð»¨¼ÆʱÆ÷´òFµãʱ£¬ÖØ´¸ÏÂÂäµÄËÙ¶ÈΪ          m/s¡£

£¨±£Áôµ½Ð¡ÊýµãºóÁ½Î»£©

¢Û Èç¹ûÒÑÖªÖØ´¸µÄÖÊÁ¿Îª0.50 kg£¬µ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪ9.80m/s2¡£´Ó´òµãµ½´òFµãµÄ¹ý³ÌÖУ¬ÖØ´¸ÖØÁ¦ÊÆÄܵļõÉÙÁ¿Îª         J£¬ÖØ´¸¶¯ÄܵÄÔö¼ÓÁ¿Îª         J¡££¨±£Áôµ½Ð¡ÊýµãºóÁ½Î»£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011½ì±±¾©ÊÐÎ÷³ÇÇø¸ßÈý¶þÄ£Àí¿Æ×ÛºÏÎïÀí²¿·Ö ÌâÐÍ£ºÊµÑéÌâ

ÀûÓõç»ð»¨¼ÆʱÆ÷×öÈçÏÂʵÑé¡£
£¨1£©£¨10·Ö£©¼×ͬѧʹÓÃÈçͼ1ËùʾµÄ×°ÖÃÀ´ÑéÖ¤¡°»úеÄÜÊغ㶨ÂÉ¡±¡£

¢ÙÏÂÃæÊDzÙ×÷²½Ö裺
a£®°´Í¼1°²×°Æ÷²Ä£»
b£®ËÉ¿ªÌú¼Ð£¬Ê¹ÖØ´¸´ø¶¯Ö½´øÏÂÂ䣻
c£®½Óͨµç»ð»¨¼ÆʱÆ÷µçÔ´£¬Ê¹¼ÆʱÆ÷¿ªÊ¼¹¤×÷
d£®½øÐÐÊý¾Ý´¦Àí£º
e£®¸ù¾ÝÐèÒª£¬ÔÚÖ½´øÉϲâÁ¿Êý¾Ý¡£
°ÑÉÏÊö±ØÒªµÄ²Ù×÷²½Öè°´ÕýÈ·µÄ˳ÐòÅÅÁР          .
¢Úµç»ð»¨¼ÆʱÆ÷½ÓÔÚƵÂÊΪ50HzµÄ½»Á÷µçÔ´ÉÏ£¬Í¼2ΪʵÑéÖдò³öµÄÒ»ÌõÖ½´ø£¬´ÓÆðʼµãO¿ªÊ¼£¬½«´ËºóÁ¬Ðø´ò³öµÄ7¸öµãÒÀ´Î±êΪA¡¢B¡¢C¡¢D¡­¡­£¬

µç»ð»¨¼ÆʱÆ÷´òFµãʱ£¬ÖØ´¸ÏÂÂäµÄËÙ¶ÈΪ            m/s¡££¨±£Áôµ½Ð¡ÊýµãºóÁ½Î»£©
¢ÛÈç¹ûÒÑÖªÖØ´¸µÄÖÊÁ¿Îª0£®50kg£¬µ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪ9£®80m£¯s2¡£´Ó´òOµãµ½´òFµãµÄ¹ý³ÌÖУ¬ÖØ´¸ÖØÁ¦ÊÆÄܵļõÉÙÁ¿Îª           J£¬ÖØ´¸¶¯ÄܵÄÔö¼ÓÁ¿Îª     J¡££¨±£Áôµ½Ð¡ÊýµãºóÁ½Î»£©
£¨2£©£¨8·Ö£©ÒÒͬѧ²ÉÓÃÈçͼ3ËùʾµÄ×°ÖýøÐÐÁËÓйء°¶¯Äܶ¨Àí¡±Ñо¿µÄʵÑé¡£

a£®°´Í¼3°ÑʵÑéÆ÷²Ä°²×°ºÃ£¬²»¹ÒÅäÖØ£¬·´¸´Òƶ¯µæľֱµ½Ð¡³µÄܹ»×öÔÈËÙÖ±ÏßÔ˶¯£»
b£®°ÑϸÏßϵÔÚС³µÉϲ¢Èƹý¶¨»¬ÂÖÐü¹ÒÖÊÁ¿Îª100gµÄÅäÖØ¡£½ÓͨµçÔ´£¬·Å¿ªÐ¡³µ£¬µç»ð»¨¼ÆʱÆ÷ÔÚ±»Ð¡³µ´ø¶¯µÄÖ½´øÉÏ´òÏÂһϵÁе㡣´ÓijµãA¿ªÊ¼£¬´ËºóÔÚÖ½´øÉÏÿ¸ô4¸öµãÈ¡Ò»¸ö¼ÆÊýµã£¬ÒÀ´Î±êΪB¡¢C¡¢D¡­¡­£»
c£®²âÁ¿³öB¡¢C¡¢D¡¢¡­¡­¸÷µãÓëAµãµÄ¾àÀ룬·Ö±ð¼ÇΪ¡¢¡¢¡¢¡­¡­£»
d£®ÓÃÅäÖØÊܵ½µÄÖØÁ¦·Ö±ð³ËÒÔ¡¢¡¢¡¢¡­¡­£¬µÃµ½ÅäÖØÖØÁ¦Ëù×öµÄ¹¦W1¡¢W2¡¢W3¡¢¡­¡­£»£¨ÖØÁ¦¼ÓËÙ¶Èg=9£®80m£¯s2£©
e£®Çó³öB¡¢C¡¢D¡¢¡­¡­¸÷µãËٶȵĴóС£¬·Ö±ð¼ÇΪ¡¢¡¢¡¢¡­¡­£¬ÔÙÇó³öËüÃǵÄƽ·½¡¢¡¢¡¢¡­¡­£»
f£®ÓÃ×Ý×ø±ê±íʾËٶȵÄƽ·½£¬ºá×ø±ê±íʾÅäÖØÖØÁ¦Ëù×öµÄ¹¦W£¬×÷³öͼÏ󣬲¢ÔÚͼÏóÖÐÃè³ö£¨£¬£©×ø±êµã£¬ÔÙÁ¬³ÉͼÏߣ»£¨ÒÔϼÆËã±£Áôµ½Ð¡ÊýµãºóÁ½Î»£©
¢ÙÔÚ²½ÖèdÖУ¬¸Ãͬѧ²âµÃ£¬ÔòÅäÖØÖØÁ¦Ëù×öµÄ¹¦      J£»
¢Ú¸ÃͬѧµÃµ½Í¼ÏóÈçͼ4¡£Í¨¹ýͼÏó¿ÉÖª£¬´òAµãʱ¶ÔӦС³µµÄËٶȠ m£¯s£»
¢ÛС³µµÄÖÊÁ¿M=        kg.

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸