本题目来源于试卷: Physics Unit2: Kinematics One Dimensional Motion,类别为 通用国际物理
[单选题]
A jet fighter plane is l9rdxc/g 8qbqnb 7wuva , 6rm*4aunched from a catapult on an aircraft carri(yyv*,wdru/ f4mn o6ier. It reaches a speed of 42 m/s at the end of thv,/u wn6 myyro f4(*ide catapult, and this requires 2.0 s. Assuming the acceleration is constant, what is the length of the catapult?
A. $16 \; m$
B. $24 \; m$
C. $42 \; m$
D. $84 \; m$
参考答案: C
本题详细解析:
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