5.
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v-t
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t=0
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v
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锛?/p>
3
绉掓湯鐨勯�熷害
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锛屽墠涓夌鍐呴�熷害澧為噺
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v=
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锛岀墿浣?
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t
v
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2
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s=
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锛屽叾浣嶇Щ鍙樺寲鐜?/p>
t
s
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2
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v
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t
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锛屾湯閫熷害
v
t
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m/s
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锛岃繍鍔ㄤ綅绉讳负
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t
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0
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v
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2
锛岃繖娈佃繍鍔ㄧ殑
鍔犻�熷害
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2
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3
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锛屾柟鍚戝悜涓溿�傝嫢
5
绉掓湯閫熷害鍒嗗埆
涓猴紙
1
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7m/s
锛?/p>
2
锛?/p>
鍚戜笢
3m/s
锛?/p>
3
锛夊悜瑗?/p>
5m/s
锛?/p>
4
锛夊悜瑗?/p>
7m/s
浠ュ悜涓滀负姝ｆ柟鍚戯紝
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v
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