1푑(yng)
һvC(j)еӼ늚ԪĄӑB(ti)푑(yng)r(sh)gҪׂ(g)(sh)ϵy(tng)ȡһЩ푑(yng)r(sh)g(sh)^zܵșC(j)еӼʹ(g)]h(hun)ϵy(tng)ӑB(ti)푑(yng)ܴߣʹ(yng)`ݡ
2߾
ȡ˽zܵșC(j)еәC(j)(gu)p˲a(b)r(sh)ϵy(tng)ĸۙ`ͨ^ֱλÙzyƣɴߙC(j)Ķλȡ
3ӄȸߡƽ(wn)
ֱ(q)ӡӄȡͬr(sh)ֱ늙C(j)IJ֣ɸ(j)C(j)(do)܉Y(ji)(gu)乤_\(yn)ӕr(sh)ráͨO(sh)Ӌ(j)ɾQʹ\(yn)ƽ(wn)
4ٶȿ졢Ӝp^̶
ֱM(jn)늙C(j)ҪڴŸ܇r(sh)ٿ_(d)500km/hF(xin)ڙC(j)M(jn)o(q)УҪM䳬M(jn)oٶȣҪ_(d)60100m/minߣ(dng)ȻǛ]}ġҲڡӡĸ푑(yng)ԣʹӜp^̴ṣĶ(sh)F(xin)ӕr(sh)˲g_(d)٣\(yn)Еr(sh)˲g(zhn)ͣٶһ_(d)210gg=9.8m/s2
5гLȲ
ڌ(do)܉ͨ^(lin)ֱM(jn)늙C(j)ĶͿɟoLӼгLȡ
6\(yn)Еr(sh)
ȡ˂ӽzܵȲęC(j)еĦ䌧(do)܉ֿɲÝLӌ(do)܉ʼn|Ҹ(do)܉oC(j)е|ʹ\(yn)½
7Чʸ
ڟogӭh(hun)(ji)ҲȡC(j)еĦ?x)rpġ
ֱM(jn)늙C(j)V(yng)ڰ졢У(zhn)wy_λƄӵT߾ҪI(lng)