本题目来源于试卷: Newton’s law of motion，类别为 美国物理杯赛(Physics Bowl)
[单选题]
99.03: If the net force kf 2o(4k1xmv5a 7fpb ae8-mhzon an objecg6pmttcz 164rl9,t6utb: sow 4g k0pjjjx5 t:t were doubled while at the same time the mass of the object was halved :9b0p6j pwc614r:uz4 gjt5mjstgxtt ,ko l t6,then the acceleration of the object is
A. 1/4 as great.
B. 1/2 as great.
C. 2 times greater.
D. 4 times greater.
E. unchanged.
参考答案: D
本题详细解析:
暂无
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