本题目来源于试卷: Work Energy and Power，类别为 美国物理杯赛(Physics Bowl)
[单选题]
11.28: A person throws an object of mass M straight upward with an inz34szc1w-o0 .gq cr psitial non-zspw4 zqos. gc0-z3r1c+ deot. b40pllero speed v. The object rises to a maximum height H above the launch point. The person now throws an object of mass 0.5M straight upward with initial speed 2v. In terms of H, to what maximum height does the object of mass 0.5M rise above the laup4tb.d oe0 l+lnch point? Ignore air resistance.
A. $8H$
B. $4H$
C. $2H$
D. $1.414H$
E. $H$
参考答案: B
本题详细解析:
暂无
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