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涓洪槻鎺х矇灏樻薄鏌擄紝
鏌愬悓瀛﹁璁′簡涓�绉嶉櫎灏樻柟妗堬紝
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鍚勪釜鏂归潰鍠峰嚭绮夊皹寰矑锛?/p>
绮夊皹寰矑閫熷害澶у皬鍧囦负
v
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10 m/s
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璐ㄩ噺涓?/p>
m
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5
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10
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10
kg
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鐢佃嵎閲忎负
q
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7
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0.5
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U
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0.9 V
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d
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1 m
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l
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1 m
锛岀矇灏樻簮姣忕鍚戝鍠峰嚭绮夊皹寰?/p>
绮掔殑涓暟涓?/p>
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2
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15
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m
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m
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0.5 m
鍋囪绮夊皹寰矑浠?/p>
B
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OA
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BO
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鍨傜洿锛屽洜姝ら�?/p>
搴︽柟鍚戞按骞冲悜鍙?/p>
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绮夊皹寰矑杩涘叆鐢靛満鍋氱被骞虫姏杩愬姩锛屾按骞虫柟鍚戞湁
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v
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U
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U
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0.9 V
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0.9 m
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