本题目来源于试卷: Physics Unit7: Linear Momentum，类别为 国际高中通用物理
[单选题]
A machine gun, of mass 35.0 kg, fire:h1 q5kl f tmll4x5t2es 50.0-gram bulint)tjd1ewr+d:p k; jw x6+g +r 0hzn/lets, with a muzzle velocity of 750 m/s, at the rrpj z;e0+gwnr n6 td kidt:)1/xj++hwate of 300 rounds per minute. What is the average force exerted on the machine gun mount?
A. $94.0 \; N$
B. $188 \; N$
C. $219 \; N$
D. $438 \; N$
参考答案: B
本题详细解析:
暂无
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