闈掗渼鏈夎矾缁堥』鍒帮紝閲戞鏃犲悕瑾撲笉杩橈紒
2018-2019
骞撮珮鑰冨鑰?/p>
鍚夋灄鐪佸悏鏋楀競
2018
灞婇珮涓夌涓�娆℃ā鎷熻�冭瘯
鐞嗙患鐗╃悊璇曢
浜屻�侀�夋嫨棰橈細鏈ぇ棰樺叡
8
灏忛锛屾瘡灏忛
6
鍒嗐�傚湪姣忓皬棰樼粰鍑虹殑鍥涗釜閫夐」涓紝绗?/p>
14-18
棰樺彧鏈変竴椤圭
鍚堥鑷姹傦紝绗?/p>
19-21
棰樻湁澶氶」绗﹀悎棰樼洰瑕佹眰銆傚叏閮ㄩ�夊鐨勫緱
6
鍒嗭紝閫夊浣嗕笉鍏ㄧ殑寰?/p>
3
鍒嗐�傛湁閫夐敊
鐨勫緱
0
鍒嗐�?/p>
14.
涓ょ墿浣撳悓鏃朵粠鍚屼竴浣嶇疆鍑哄彂锛屼簩鑰呯殑閫熷害闅忔椂闂村彉鍖栫殑鍏崇郴濡傚浘鎵�绀猴紝涓嬪垪璇存硶姝ｇ‘鐨勬槸
A.t=2s
鏃讹紝涓ょ墿浣撶浉閬?/p>
B.
鐩搁亣鍓嶏紝涓ょ墿浣撳湪
t =1s
鏃朵袱鐗╀綋闂磋窛绂绘渶澶?/p>
C. t =1s
鏃讹紝涓ょ墿浣撶浉璺?/p>
0.5m
D. t =3s
鏃讹紝涓ょ墿浣撶浉璺?/p>
1.5m
15.
濡傚浘鎵�绀猴紝鍗曞対閲戝睘绾垮湀鍗婂緞涓?/p>
r
1
锛岀數闃讳负
R
锛屽唴閮ㄥ瓨鍦ㄤ竴鍦嗗舰鍖哄煙鍖�寮虹鍦猴紝纾佸満鍖哄煙鍗婂緞涓?/p>
r
2
锛岀鎰熷簲寮哄害闅忔椂闂寸殑鍙樺寲涓?/p>
B=kt(k>0
锛?/p>
锛岀鍦烘柟鍚戝瀭鐩寸焊闈㈠悜澶栵紝涓嬪垪璇存硶姝ｇ‘鐨勬槸
A.
绾垮湀涓劅搴旂數娴佺殑鏂瑰悜涓洪�嗘椂閽堟柟鍚?/p>
B.
绾垮湀鍏锋湁鏀剁缉瓒嬪娍
C.
绾垮湀涓劅搴旂數娴佺殑澶у皬涓?/p>
R
r
k
2
2
飦?/p>