Clinton Fowler joins SMX Insider to look behind the numbers of Malcolm Stewart's first 450SX win and whether he has what it takes to do it again. Latest Clips 01:15 Does Judge have competition in HR leader market? 04:17 Ganne: Record-setting round came to me in a dream 01:22...
Jett Lawrence praises Eli Tomac after a fierce battle in San Diego and feels Honda took "a big step" putting together a podium finish after a night to forget in Anaheim.
如图,正方形MNBC内有一点A,以AB,AC为边向△ABC外作正方形ABRT和正方形ACPQ,连结RM,BP.求证:BP∥RM. 试题答案 在线课程 分析 连接PM,RN,根据正方形的性质证明△ABC≌△PMC(SAS),得到PM=AB,所以PM=BR,再证明△BCP≌△MNR (SAS),得到BP=MR,所以得到平行四边形BPMR,所以BP∥RM. 解答 证明:如图,连接...
如图所示.空气中有一折射率为的玻璃柱体.其横截面是圆心角为90°.半径为R的扇形NBC.该柱体厚度为h.即MN=DC=AB=h.一束刚好覆盖ABNM面的单色光.以与该面成450角的方向照射到ABNM面上.若只考虑首次入射到ABCD面上的光.则ABCD面上有光透出部分的面积为( ) A. B. C. D.
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的玻璃柱体,其横截面是圆心角为90°。半径为R的扇形NBC。该柱体厚度为h,即MN=DC=AB=h。一束刚好覆盖ABNM面的单色光,以与该面成450角的方向照射到ABNM面上。若只考虑首次入射到ABCD面上的光,则ABCD面上有光透出部分的面积为( ) A. B. C.
San Diego a 'great points night' for Webb January 18, 2025 11:44 PM Cooper Webb admits he was under the weather in San Diego but "gave it his all" after leading a handful of laps and rounding out the podium in Round 2. Latest Clips 04:36 Malinin makes history at worlds,...