問題詳情
23. A police crime lab is trying to determine whether someone was murdered or died as a result of anaccident. He was struck in the temple by a 4.00 kg sculpture that is alleged to have fallen off abookcase. The sculpture presumably fell a distance of 1.80 m and the corner that struck him had anarea of 0.240 cm2. If the time for the sculpture to stop was 1.00 ms, take g = 10.0 m/s, the pressureon his temple, in N/m2, was
(A)1.00x104.
(B) 1.50x 105.
(C) 1.50x 106
(D) 1.00 x 109.
(E) 1.25 x 109
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增