本题目来源于试卷: Physics Unit6: Work and Energy,类别为 通用国际物理
[单选题]
A driver, traveling at rr bkqjld: oml0.d*3w6r j,7f2yj3q/.snx0ws,) ej - dc8nguv2 m/s, slows down her 2000 kg car to stop for a red light. What work is done by the fricwd.8qges/)j,n -ucx n03vsj ytion force against the wheels?
A. $-2.2 \times 10^{4} \; J$
B. $-4.4 \times 10^{4} \; J$
C. $-4.84 \times 10^{5} \; J$
D. $-9.68 \times 10^{5} \; J$
参考答案: C
本题详细解析:
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