ÓÐÈË˵¿óÇøµÄÖØÁ¦¼ÓËÙ¶ÈÆ«´ó£¬Ä³Í¬Ñ§¡°Óõ¥°Ú²â¶¨ÖØÁ¦¼ÓËٶȡ±µÄʵÑé̽¾¿¸ÃÎÊÌâ¡£ËûÓÃ×îС·Ö¶ÈΪºÁÃ×µÄÃ׳߲âµÃ°ÚÏߵij¤¶ÈΪ800.0mm£¬ÓÃÓαêΪ10·Ö¶ÈµÄ¿¨³ß²âµÃ°ÚÇòµÄÖ±¾¶ÈçͼËùʾ£¬°ÚÇòµÄÖ±¾¶Îª         mm¡£Ëû°Ñ°ÚÇò´ÓƽºâλÖÃÀ­¿ªÒ»¸öС½Ç¶ÈÓɾ²Ö¹ÊÍ·Å£¬Ê¹µ¥°ÚÔÚÊúֱƽÃæ°Ú¶¯£¬µ±°Ú¶¯Îȶ¨ºó£¬ÔÚ°ÚÇòͨ¹ýƽºâλÖÃʱÆô¶¯Ãë±í£¬²¢ÊýÏ¡°0¡±£¬Ö±µ½°ÚÇòµÚ30´ÎͬÏòͨ¹ýƽºâλÖÃʱ°´Í£Ãë±í£¬Ãë±í¶ÁÊýÈçͼËùʾ£¬¶Á³öËù¾­ÀúµÄʱ¼ät£¬Ôòµ¥°ÚµÄÖÜÆÚΪ        s¡£¸ÃʵÑé²âµÃµ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪ          m/s2¡£(±£Áô3λÓÐЧÊý×Ö)

 

20.2 £¬ 1.80    £¬   9.86

½âÎö:

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨1£©Èçͼ1Ëùʾ£¬Ä³Í¬Ñ§ÔÚ×ö¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬ÓÉ´òµã¼ÆʱÆ÷µÃµ½±íʾС³µÔ˶¯¹ý³ÌµÄÒ»ÌõÇåÎúÖ½´ø£¬Ö½´øÉÏÁ½ÏàÁÚ¼ÆÊýµãµÄʱ¼ä¼ä¸ôΪT=0.10s£¬ÆäÖÐs1=5.12cm£¬s2=5.74cm£¬s3=6.14cm£¬s4=7.05cm£¬s5=7.68cm£¬s6=8.33cm¡¢Ôò´òFµãʱС³µµÄ˲ʱËٶȵĴóСÊÇ
0.80
0.80
m/s£¬¼ÓËٶȴóСÊÇ
0.64
0.64
m/s2£®£¨¼ÆËã½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

£¨2£©ÓÐÈË˵¿óÇøµÄÖØÁ¦¼ÓËÙ¶ÈÆ«´ó£¬Ä³Í¬Ñ§¡°Óõ¥°Ú²â¶¨ÖØÁ¦¼ÓËٶȡ±µÄʵÑé̽¾¿¸ÃÎÊÌ⣮ËûÓÃ×îС·Ö¶ÈΪºÁÃ×µÄÃ׳߲âµÃ°ÚÏߵij¤¶ÈΪ800.0mm£¬ÓÃÓαêΪ10·Ö¶ÈµÄ¿¨³ß²âµÃ°ÚÇòµÄÖ±¾¶Èçͼ2Ëùʾ£¬°ÚÇòµÄÖ±¾¶Îª
20.2
20.2
mm£®Ëû°Ñ°ÚÇò´ÓƽºâλÖÃÀ­¿ªÒ»¸öС½Ç¶ÈÓɾ²Ö¹ÊÍ·Å£¬Ê¹µ¥°ÚÔÚÊúֱƽÃæÄÚ°Ú¶¯£¬µ±°Ú¶¯Îȶ¨ºó£¬ÔÚ°ÚÇòͨ¹ýƽºâλÖÃʱÆô¶¯Ãë±í£¬²¢ÊýÏ¡°0¡±£¬Ö±µ½°ÚÇòµÚ30´ÎͬÏòͨ¹ýƽºâλÖÃʱ°´Í£Ãë±í£¬Ãë±í¶ÁÊýÈçͼ3Ëùʾ£¬¶Á³öËù¾­ÀúµÄʱ¼ät£¬Ôòµ¥°ÚµÄÖÜÆÚΪ
1.80
1.80
s£¬¸ÃʵÑé²âµÃµ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪ
9.86
9.86
m/s2£®£¨±£Áô3λÓÐЧÊý×Ö£©

£¨3£©Ôڲⶨ½ðÊôµç×èÂʵÄʵÑéÖУ¬Ó÷ü°²·¨²âÁ¿Ò»¸öÔ¼100¦¸µç×èË¿£¬¿ÉÓõÄÒÇÆ÷£ºµçÁ÷±í£¨Á¿³Ì0¡«30mA£¬ÄÚ×è50¦¸£©¡¢µçѹ±í£¨Á¿³Ì0¡«3V£¬ÄÚ×è5k¦¸£©¡¢»¬¶¯±ä×èÆ÷£¨×î´ó×èÖµ20¦¸£©¡¢µçÔ´£¨µç¶¯ÊÆ4V£¬ÄÚ×èºöÂÔ²»¼Æ£©¡¢¿ª¹ØºÍµ¼ÏßÈô¸É£®
¢ÙÇ뽫ÄãÉè¼ÆµÄʵÑéµç·ͼ»­ÔÚ·½¿òÖУ®
¢Ú¸ù¾ÝÉè¼ÆµÄµç·ͼ£¬½«ÏÂͼÖеÄʵÎïÁ¬½Ó³ÉʵÑéÓõĵç·£®
¢ÛΪÁËÍê³ÉÕû¸öʵÑ飬³ýÄãÔÚµç·ÖÐÒÑ»­³öµÄÆ÷²ÄÍ⣬»¹ÐèÒª²âÁ¿½ÓÈëµç·Öеĵç×èË¿³¤¶ÈlµÄÒÇÆ÷ÊÇ
ºÁÃ׿̶ȳß
ºÁÃ׿̶ȳß
£¬²âÁ¿µç×èË¿Ö±¾¶dµÄÒÇÆ÷ÊÇ
ÂÝÐý²â΢Æ÷
ÂÝÐý²â΢Æ÷
£®
¢Ü¼ÆËãµç×èÂʵĹ«Ê½ÊǦÑ=
¦ÐUd2
4IL
¦ÐUd2
4IL
£®£¨ÓÃÖ±½Ó²âÁ¿³öµÄÎïÀíÁ¿±íʾ£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÓÐÈË˵¿óÇøµÄÖØÁ¦¼ÓËÙ¶ÈÆ«´ó£¬Ä³Í¬Ñ§¡°Óõ¥°Ú²â¶¨ÖØÁ¦¼ÓËٶȡ±µÄʵÑé̽¾¿¸ÃÎÊÌ⣮
£¨1£©ËûÓÃ×îС·Ö¶ÈΪºÁÃ×µÄÃ׳߲âµÃ°ÚÏߵij¤¶ÈLΪ800.0mm£¬ÓÃÓαêΪ10·Ö¶ÈµÄ¿¨³ß²âµÃ°ÚÇòµÄÖ±¾¶Èçͼ1Ëùʾ£¬°ÚÇòµÄÖ±¾¶DΪ
20.1
20.1
mm£®Ëû°Ñ°ÚÇò´ÓƽºâλÖÃÀ­¿ªÒ»¸öС½Ç¶ÈÓɾ²Ö¹ÊÍ·Å£¬Ê¹µ¥°ÚÔÚÊúֱƽÃæÄÚ°Ú¶¯£¬µ±°Ú¶¯Îȶ¨ºó£¬ÔÚ°ÚÇòͨ¹ýƽºâλÖÃʱÆô¶¯Ãë±í£¬²¢ÊýÏ¡°0¡±£¬Ö±µ½°ÚÇòµÚN´ÎͬÏòͨ¹ýƽºâλÖÃʱ°´Í£Ãë±í£¬Ãë±í¶ÁÊýÈçͼ2Ëùʾ£¬¶Á³öËù¾­ÀúµÄʱ¼ät=
54
54
s
£¨2£©¸ù¾ÝÉÏÊöÎïÀíÁ¿£¬Ð´³öµ±µØµÄÖØÁ¦¼ÓËٶȵıí´ïʽΪ
4¦Ð2N2(L+
D
2
)
t2
4¦Ð2N2(L+
D
2
)
t2
£®£¨ÓÃL¡¢D¡¢N¡¢tµÈ·ûºÅ±íʾ£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÓÐÈË˵¿óÇøµÄÖØÁ¦¼ÓËÙ¶ÈÆ«´ó£¬Ä³Í¬Ñ§¡°Óõ¥°Ú²â¶¨ÖØÁ¦¼ÓËٶȡ±µÄʵÑé̽¾¿¸ÃÎÊÌ⣮ËûÓÃ×îС·Ö¶ÈΪºÁÃ×µÄÃ׳߲âµÃ°ÚÏߵij¤¶ÈΪ800.0mm£¬ÓÃÓαêΪ10·Ö¶ÈµÄ¿¨³ß²âµÃ°ÚÇòµÄÖ±¾¶Èçͼ1Ëùʾ£¬°ÚÇòµÄÖ±¾¶Îª
20.2
20.2
mm£®Ëû°Ñ°ÚÇò´ÓƽºâλÖÃÀ­¿ªÒ»¸öС½Ç¶ÈÓɾ²Ö¹ÊÍ·Å£¬Ê¹µ¥°ÚÔÚÊúֱƽÃæÄÚ°Ú¶¯£¬µ±°Ú¶¯Îȶ¨ºó£¬ÔÚ°ÚÇòͨ¹ýƽºâλÖÃʱÆô¶¯Ãë±í£¬²¢ÊýÏ¡°0¡±£¬Ö±µ½°ÚÇòµÚ30´ÎͬÏòͨ¹ýƽºâλÖÃʱ°´Í£Ãë±í£¬Ãë±í¶ÁÊýÈçͼ2Ëùʾ£¬¶Á³öËù¾­ÀúµÄʱ¼ät£¬Ôòµ¥°ÚµÄÖÜÆÚΪ
1.80
1.80
s£¬¸ÃʵÑé²âµÃµ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪ
9.86
9.86
m/s2£®£¨±£Áô3λÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©Èçͼ¼×Ëùʾ£¬Ä³Í¬Ñ§ÔÚ×ö¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬ÓÉ´òµã¼ÆʱÆ÷µÃµ½±íʾС³µÔ˶¯¹ý³ÌµÄÒ»ÌõÇåÎúÖ½´ø£¬Ö½´øÉÏÁ½ÏàÁÚ¼ÆÊýµãµÄʱ¼ä¼ä¸ôΪT=0.10s£¬ÆäÖÐs1=5.12cm£¬s2=5.74cm£¬s3=6.14cm£¬s4=7.05cm£¬s5=7.68cm£¬s6=8.33cm¡¢Ôò´òFµãʱС³µµÄ˲ʱËٶȵĴóСÊÇ
0.80
0.80
m/s£¬¼ÓËٶȴóСÊÇ
0.64
0.64
m/s2£®£¨¼ÆËã½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©
£¨2£©ÓÐÈË˵¿óÇøµÄÖØÁ¦¼ÓËÙ¶ÈÆ«´ó£¬Ä³Í¬Ñ§¡°Óõ¥°Ú²â¶¨ÖØÁ¦¼ÓËٶȡ±µÄʵÑé̽¾¿¸ÃÎÊÌ⣮ËûÓÃ×îС·Ö¶ÈΪºÁÃ×µÄÃ׳߲âµÃ°ÚÏߵij¤¶ÈΪ800.0mm£¬ÓÃÓαêΪ10·Ö¶ÈµÄ¿¨³ß²âµÃ°ÚÇòµÄÖ±¾¶ÈçͼÒÒËùʾ£¬°ÚÇòµÄÖ±¾¶Îª
20.2
20.2
mm£®Ëû°Ñ°ÚÇò´ÓƽºâλÖÃÀ­¿ªÒ»¸öС½Ç¶ÈÓɾ²Ö¹ÊÍ·Å£¬Ê¹µ¥°ÚÔÚÊúֱƽÃæÄÚ°Ú¶¯£¬µ±°Ú¶¯Îȶ¨ºó£¬ÔÚ°ÚÇòͨ¹ýƽºâλÖÃʱÆô¶¯Ãë±í£¬²¢ÊýÏ¡°0¡±£¬Ö±µ½°ÚÇòµÚ30´ÎͬÏòͨ¹ýƽºâλÖÃʱ°´Í£Ãë±í£¬Ãë±í¶ÁÊýÈçͼ±ûËùʾ£¬¶Á³öËù¾­ÀúµÄʱ¼ät£¬Ôòµ¥°ÚµÄÖÜÆÚΪ
1.80
1.80
s£¬¸ÃʵÑé²âµÃµ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪ
9.86
9.86
m/s2£®£¨±£Áô3λÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸