本题目来源于试卷: Physics Unit8: Rotational Motion,类别为 通用国际物理
[单选题]
A boy and a girl are ridinghfo5-+wx q7ip a merry-go-round which is tuajh:n, l vtv-t v;zqp,u3(dc h1:db.urning at a constant rate. The boy is near the outer edge, while the girl is closer to the center;:tthujv(a u-cndvp hd ,,bvl1.: z3q. Who has the greater centripetal acceleration?
A. the boy
B. the girl
C. Both have the same non-zero centripetal acceleration.
D. Both have zero centripetal acceleration.
参考答案: A
本题详细解析:
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