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]
16.12: A 12.0 N net forcgimj) t(5gtg(n b/ur9 e directed to the right is exerted on a 3.0 k3or )lex:u evhl5yg,g 3k;5cig block for 5.0 s. The block was initially all53ok:5y; r u x,g3)gieve hct rest and slides on a horizontal surface.
What is the kinetic energy associated with the block after the 5.0 interval?
A. 180 J
B. 600 J
C. 800 J
D. 1200 J
E. 1600 J
参考答案: B
本题详细解析:
暂无
|