Physics Unit6: Work and Energy (id: c86a2932e)

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]
An object slides down a frictionless m9hqyd) f5j2e incl62 cdr 0dgrgq94l3wde s9 ,igyined plane. At the bottom, it has a speed of 9.80 m0weg dcgg94dy ,r36ilq29 dsr/s. What is the vertical height of the plane?

A. $19.6 \; m$
B. $9.80 \; m$
C. $4.90 \; m$
D. $2.45 \; m$


参考答案:  C


本题详细解析: 暂无

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