涓撻鍏?/p>
鑷敱钀戒綋涓庣珫鐩翠笂鎶涜繍鍔?/p>
鏍稿績绱犲吇缁冧範
涓�
绱犲吇鏍稿績鑱氱劍
鑰冪偣涓�
鐗╃悊瑙傚康
-
杩愮敤鑷敱钀戒綋杩愬姩瑙勫緥瑙ｉ
渚嬮
1
锛庝竴鐗╀綋浠庨珮澶勮嚜鐢变笅钀斤紝缁?/p>
2s
钀藉湴锛屽垯璇ョ墿浣撲笅钀?/p>
1s
鏃讹紝绂诲湴楂樺害鏄紙
g
鍙?/p>
10m/s
2
锛?/p>
锛?/p>
锛?/p>
A
锛?/p>
5m
B
锛?/p>
10m
C
锛?/p>
15m
D
锛?/p>
18m
鑰冪偣浜?/p>
绉戝鎬濈淮
-
绔栫洿涓婃姏杩愬姩瑙勫緥鐨勫簲鐢?/p>
渚嬮
2
锛?/p>
浠?/p>
20m
楂樼殑妤兼埧鐨勯槼鍙颁笂浠?/p>
20m/s
鐨勫垵閫熷害绔栫洿鍚戜笂鎶涘嚭涓�灏忕悆锛?/p>
涓嶈绌烘皵闃诲姏锛?/p>
姹傚皬鐞冭繍鍔ㄥ埌绂?
鎶涘嚭鐐?/p>
15m
澶勬墍缁忓巻鐨勬椂闂淬�?/p>
(
g
=10m/s
2
)
鑰冪偣涓?/p>
绉戝鎬濈淮
-
绔栫洿鏂瑰悜涓婄殑杩藉強鐩搁亣闂
渚嬮
3
锛?/p>
浠庡湴闈笂浠ュ垵閫熷害
2
v
0
绔栫洿涓婃姏鐗╀綋
A
锛岀浉闅旀椂闂?/p>
鈻?/p>
t
鍚庡啀浠ュ垵閫熷害
v
0
浠庡悓涓�鍦扮偣绔栫洿涓婃姏鐗╀綋
B
锛?/p>
涓嶈绌烘皵闃诲姏锛岄噸鍔涘姞閫熷害涓?/p>
g
锛屼互涓嬭娉曟纭殑鏄?/p>
(
)
A
锛庣墿浣?/p>
A
銆?/p>
B
鍙兘鍦ㄧ墿浣?/p>
A
涓嬮檷杩囩▼涓浉閬?/p>
B
锛庡綋
锛?/p>
鐗╀綋
A
銆?/p>
B
鍙兘鐩搁亣
C
锛庡綋
锛?
鏃剁墿浣?/p>
A
銆?/p>
B
鍦ㄧ┖涓笉鍙兘鐩搁亣
D
锛庤浣跨墿浣?/p>
B
姝ｅ湪涓嬭惤鏃朵笌
A
鐩搁亣涓�瀹氳婊¤冻鐨勬潯浠舵槸
锛?/p>
锛?
浜?/p>
瀛︿笟璐ㄩ噺娴嬭瘎
鍩虹缁?/p>
1
锛庡叧浜庤嚜鐢辫惤浣撹繍鍔紝涓嬪垪璇存硶姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛庤嚜鐢辫惤浣撹繍鍔ㄦ槸绔栫洿鏂瑰悜鐨勫寑鍔犻�熺洿绾胯繍鍔?/p>
B
锛庨噸鍔涘姞閫熷害
g
鏄爣閲忥紝鍙湁澶у皬娌℃湁鏂瑰悜锛岄�氬父璁＄畻涓?/p>
g
鍙?/p>
9.8m/s
2
C
锛庣墿浣撳紑濮嬩笅钀芥椂閫熷害涓洪浂锛屽姞閫熷害涔熶负闆?/p>
D
锛庣墿浣撶珫鐩村悜涓嬬殑杩愬姩涓�瀹氭槸鑷敱钀戒綋杩愬姩
2
锛庡畤鑸憳鍦ㄦ湀鐞冧笂鍋氳嚜鐢辫惤浣撳疄楠岋細灏嗕竴涓川閲忎负
1.0kg
鐨勫皬鐞冧粠绂绘湀鐞冭〃闈竴瀹氶珮搴﹀鐢遍潤姝㈠紑濮嬭嚜鐢?/p>
閲婃斁骞惰鏃讹紝
娴嬪緱灏忕悆鍦ㄧ
5
绉掑唴鐨勪綅绉绘槸
7.2m
锛?/p>
姝ゆ椂灏忕悆杩樻湭钀藉埌鏈堢悆琛ㄩ潰锛?/p>
鍒欎互涓嬪垽鏂纭殑鏄?/p>
锛?/p>
锛?/p>
A
锛庡皬鐞冨湪
5
绉掓湯鐨勯�熷害澶у皬涓?/p>
7.2m/s
B
锛庢湀鐞冭〃闈㈢殑閲嶅姏鍔犻�熷害澶у皬涓?/p>
1.6m/s
2
C
锛庡皬鐞冨湪绗?/p>
3
绉掑唴鐨勪綅绉讳负
3.6m
D
锛庡皬鐞冨湪鍓?/p>
5
绉掑唴鐨勫钩鍧囬�熷害澶у皬涓?/p>
3.6m/s