绗?/p>
1
椤?/p>
楂樿�冪墿鐞嗗繀鑰冪煡璇嗙偣鎬荤粨
楂樿�冪墿鐞嗗繀鑰冪煡璇嗙偣锛氬父鐢ㄧ殑閲嶈鍏紡
骞虫姏杩愬姩鍏紡鎬荤粨
1.
姘村钩鏂瑰悜閫熷害锛?/p>
Vx=Vo 2.
绔栫洿鏂瑰悜閫熷害锛?/p>
Vy=gt
3.
姘村钩鏂瑰悜浣嶇Щ锛?/p>
x=Vot 4.
绔栫洿鏂瑰悜浣嶇Щ锛?/p>
y=gt2/2
5.
杩愬姩鏃堕棿
t=(2y/g)1/2(
閫氬父鍙堣〃绀轰负
(2h/g)1/2)
6.
鍚堥�熷害
Vt=(Vx2+Vy2)1/2=[Vo2+(gt)2]1/2
锛?/p>
鍚堥�熷害鏂?/p>
鍚戜笌姘村钩澶硅
β:tgβ=Vy/Vx=gt/V0
7.
鍚堜綅绉伙細
s=(x2+y2)1/2,
浣嶇Щ鏂瑰悜涓庢按骞冲す瑙?/p>
α:tgα=y/x=gt/2Vo
8.
姘村钩鏂瑰悜鍔犻�熷害锛?/p>
ax=0;
绔栫洿鏂瑰悜鍔犻�熷害锛?/p>
ay=g
娉細
(1)
骞虫姏杩愬姩鏄寑鍙橀�熸洸绾胯繍鍔紝
鍔犻�熷害涓?/p>
g
锛?/p>
閫氬父鍙湅
浣滄槸姘村钩鏂瑰悜鐨勫寑閫熺洿绾胯繍涓庣珫鐩存柟鍚戠殑鑷敱钀戒綋杩愬姩鐨?/p>
鍚堟垚
;
(2)
杩愬姩鏃堕棿鐢变笅钀介珮搴?/p>
h(y)
鍐冲畾涓庢按骞虫姏鍑洪�熷害鏃犲叧
;
(3)θ
涓?/p>
β
鐨勫叧绯讳负
tgβ=2tgα;
(4)
鍦ㄥ钩鎶涜繍鍔ㄤ腑鏃堕棿
t
鏄В棰樺叧閿?/p>
;(5)
鍋氭洸绾胯繍鍔ㄧ殑
鐗╀綋蹇呮湁鍔犻�熷害锛屽綋閫熷害鏂瑰悜涓庢墍鍙楀悎鍔?/p>
(
鍔犻�熷害
)
鏂瑰悜涓嶅湪