2019
楂樿�冪墿鐞嗕簩杞笓棰樺涔犳満姊版尟鍔ㄤ笌鏈烘娉?/p>
1
锛庡鍥炬墍绀猴紝寮圭哀鎸瓙鍦?/p>
M
銆?/p>
N
涔嬮棿鍋氱畝璋愯繍鍔ㄣ�備互骞宠 浣嶇疆
O
涓哄師鐐癸紝寤虹珛
Ox
杞淬�傚悜鍙充负
x
鐨勮酱鐨勬
鏂瑰悜銆傝嫢鎸瓙浣嶄簬
N
鐐规椂寮�濮嬭鏃讹紝鍒欏叾鎸姩鍥惧儚涓猴紙
锛?/p>
A
B
C
D
2
锛庡鍥撅紝杞诲脊绨т笂绔浐瀹氾紝涓嬬杩炴帴涓�灏忕墿鍧楋紝鐗╁潡娌跨珫鐩存柟鍚戝仛绠�璋愯繍鍔ㄣ�備互绔栫洿鍚戜笂涓烘鏂瑰悜锛岀墿
鍧楃畝璋愯繍鍔ㄧ殑琛ㄨ揪寮忎负
(
y
0.1sin
2
)
.5
t
m
飥?/p>
飦?/p>
銆?/p>
t
0
飥?/p>
鏃跺埢锛屼竴灏忕悆浠庤窛鐗╁潡
h
楂樺鑷敱钀戒笅锛?/p>
t
0.6
s
飥?/p>
鏃讹紝
灏忕悆鎭板ソ涓庣墿鍧楀浜庡悓涓�楂樺害銆傚彇閲嶅姏鍔犻�熷害鐨勫ぇ灏忎负
2
g
10
m
/
s
飥?/p>
浠ヤ笅鍒ゆ柇姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
1.7
m
h
飥?/p>
B
锛庣畝璋愯繍鍔ㄧ殑鍛ㄦ湡鏄?/p>
0.8 s
C
锛?/p>
0.6 s
鍐呯墿鍧楄繍鍔ㄧ殑璺▼鏄?/p>
0.2 m
D
锛?/p>
t
0.4
s
飥?/p>
鏃讹紝鐗╁潡涓庡皬鐞冭繍鍔ㄦ柟鍚戠浉鍙?/p>
3
锛庝竴浣嶆父瀹㈠湪鍗冨矝婀栬竟娆蹭箻娓歌埞锛屽綋鏃ラ娴緢澶э紝娓歌埞涓婁笅娴姩銆傚彲鎶婃父鑹囨诞鍔ㄧ畝鍖栨垚绔栫洿鏂瑰悜鐨勭畝璋?/p>
杩愬姩锛屾尟骞呬负
20 cm
锛屽懆鏈熶负
3.0 s
銆傚綋鑸逛笂鍗囧埌鏈�楂樼偣鏃讹紝鐢叉澘鍒氬ソ涓庣爜澶村湴闈㈠钩榻愩�傚湴闈笌鐢叉澘鐨勯珮搴?/p>
宸笉瓒呰繃
10 cm
鏃讹紝娓稿鑳借垝鏈嶅湴鐧昏埞銆傚湪涓�涓懆鏈熷唴锛屾父瀹㈣兘鑸掓湇鍦扮櫥鑸圭殑鏃堕棿鏄紙
锛?/p>
A
锛?/p>
0.5 s
B
锛?/p>
0.75 s
C
锛?/p>
1.0 s
D
锛?/p>
1.5 s
4
锛庝竴璐ㄧ偣鍋氱畝璋愯繍鍔紝鍒欎笅鍒楄娉曚腑姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛庤嫢浣嶇Щ涓鸿礋鍊硷紝鍒欓�熷害涓�瀹氫负姝ｅ�硷紝鍔犻�熷害涔熶竴瀹氫负姝ｅ�?/p>
B
锛庤川鐐归�氳繃骞宠 浣嶇疆鏃讹紝閫熷害涓洪浂锛屽姞閫熷害鏈�澶?/p>
C
锛庤川鐐规瘡娆￠�氳繃骞宠 浣嶇疆鏃讹紝鍔犻�熷害涓嶄竴瀹氱浉鍚岋紝閫熷害涔熶笉涓�瀹氱浉鍚?/p>
D
锛庤川鐐规瘡娆￠�氳繃鍚屼竴浣嶇疆鏃讹紝鍏堕�熷害涓嶄竴瀹氱浉鍚岋紝浣嗗姞閫熷害涓�瀹氱浉鍚?/p>
5
锛?/p>
涓�涓川鐐瑰仛绠�璋愯繍鍔ㄧ殑鍥惧儚濡傚浘鎵�绀猴紝涓嬪垪鍙欒堪姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛庤川鐐圭殑鎸姩棰戠巼涓?/p>
4
Hz