7.A 1.5-tonne car accelerates from 10 to 20 m/s in 10 s on a flat road. How much work is done on the car?
(A) 225 J
(B) 2.25 kJ
(C) 22.5 kJ
(D) 225 kJ
(E) 2.25 MJ

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統計: A(0), B(2), C(1), D(2), E(0) #3427007

詳解 (共 1 筆)

#6762119
1. 題目解析 這道題目要計算一輛1.5...
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