娆㈣繋浣跨敤
閮ㄧ紪鏈?/p>
鏀稿幙浜屼腑
2019
灞婇珮涓夌鍥涙鏈堣�冭瘯鍗?/p>
鐗?/p>
鐞?/p>
鏃?/p>
閲忥細
90
鍒嗛挓
鎬?/p>
鍒嗭細
110
鍒?/p>
绗厾鍗凤紙閫夋嫨棰橈級
涓�銆侀�夋嫨棰橈紙鏈鍏?/p>
14
灏忛锛屾瘡灏忛
4
鍒嗭紝鍏?/p>
56
鍒嗐�傚湪姣忓皬棰樼粰鍑虹殑鍥涗釜閫夐」涓紝绗?/p>
1~
10
棰樺彧鏈変竴椤圭鍚堥鐩姹傦紝绗?/p>
11~ 14
棰樻湁澶氶」绗﹀悎棰樼洰瑕佹眰銆傚叏閮ㄩ�夊鐨勫緱
4
鍒嗭紝閫夊
浣嗕笉鍏ㄧ殑寰?/p>
2
鍒嗭紝鏈夐�夐敊鎴栦笉绛旂殑寰?/p>
0
鍒嗭級
銆?/p>
1
锛庣敳銆佷箼涓や綅鍚屽杩涜鐧剧背璧涜窇锛屽亣濡傛妸浠栦滑鐨勮繍鍔ㄨ繎浼间负鍖�閫熺洿
绾胯繍鍔ㄦ潵澶勭悊锛屼粬浠悓鏃朵粠璧疯窇绾胯捣璺戯紝缁忚繃涓�娈垫椂闂村悗浠栦滑鐨?/p>
浣嶇疆濡傚浘鎵�绀猴紝鍦ㄤ笅鍥句腑鍒嗗埆浣滃嚭鍦ㄨ繖娈垫椂闂村唴涓や汉杩愬姩鐨勪綅绉?/p>
x
銆侀�熷害
v
涓庢椂闂?/p>
t
鐨勫叧绯诲浘鍍忥紝姝ｇ‘鐨勬槸
2
锛庝竴涓川鐐逛互鍒濋�熷害
v
0
鍋氬寑鍔犻�熺洿绾胯繍鍔紝鍔犻�熷害澶у皬涓?/p>
a
锛岀粡杩囨椂闂?/p>
t
锛屼綅绉诲ぇ灏忎负
2
2
at
锛?/p>
鏈�熷害涓?/p>
v
锛屽垯
v
涓?/p>
v
0
鐨勬瘮鍊间负
A
锛?/p>
4:3 B
锛?/p>
5:3
C
锛?/p>
5:2 D
锛?/p>
3:1
3
锛庡鍥炬墍绀?/p>
,
鐗╁潡
A
鍜屾粦鐜?/p>
B
鐢ㄧ粫杩囧厜婊戝畾婊戣疆鐨勪笉鍙几闀跨殑杞荤怀杩炴帴锛屾粦鐜?/p>
B
濂楀湪涓庣珫鐩?/p>
鏂瑰悜鎴?/p>
胃
=
53
掳
鐨勭矖缁嗗潎鍖�鐨勫浐瀹氭潌涓婏紝杩炴帴婊戠幆
B
鐨勭怀涓庢潌鍨傜洿骞跺湪鍚屼竴绔栫洿骞抽潰鍐咃紝
婊戠幆
B
鎭板ソ涓嶈兘涓嬫粦
,
婊戠幆鍜屾潌闂寸殑鍔ㄦ懇鎿﹀洜鏁?/p>
渭
=
0
8
锛岃婊戠幆鍜屾潌闂寸殑鏈�澶ч潤鎽╂摝鍔涚瓑
浜庢粦鍔ㄦ懇鎿﹀姏锛?/p>
婊戠幆
B
鐨勮川閲?/p>
m
锛?/p>
1kg
锛岄噸鍔涘姞閫熷害涓?/p>
g
锛?/p>
10m/s
2
锛?/p>
sin37
掳
=0.6
锛?/p>
cos37
掳
=0.8
銆傚垯鐗╁潡
A
鐨勮川閲忓彲鑳戒负
A
锛?/p>
0.75kg
B
锛?/p>
0.95kg
C
锛?/p>
1.55kg
D
锛?/p>
0.45kg
4
锛?/p>
鈥滈杞﹁蛋澹佲�濇潅鎶�琛ㄦ紨姣旇緝鍙楅潚灏戝勾鐨勫枩鐖憋紝杩欓」杩愬姩鐢辨潅鎶�婕斿憳椹鹃┒
鎽╂墭杞︼紝绠�鍖栧悗鐨勬ā鍨嬪鍥炬墍绀猴紝琛ㄦ紨鑰呮部琛ㄦ紨鍙扮殑渚у鍋氬寑閫熷渾鍛?/p>
杩愬姩銆傝嫢琛ㄦ紨鏃舵潅鎶�婕斿憳鍜屾懇鎵樿溅鐨勬�昏川閲忎笉鍙橈紝鎽╂墭杞︿笌渚у闂存部
渚у鍊炬枩鏂瑰悜鐨勬懇鎿﹀姏鎭板ソ涓洪浂锛?/p>
杞ㄩ亾骞抽潰绂诲湴闈㈢殑楂樺害涓?/p>
H
锛?/p>
渚у鍊?/p>
鏂滆搴?/p>
伪
涓嶅彉锛屽垯涓嬪垪璇存硶涓纭殑鏄?/p>
A
锛庢懇鎵樿溅鍋氬渾鍛ㄨ繍鍔ㄧ殑
H
瓒婇珮锛屽悜蹇冨姏瓒婂ぇ