计算质量分布在半球体[img=183x30]1802e9779bcc8cd.png[/img]的形心的坐标为( )。
A: [img=74x43]1802e977a47fb0c.png[/img]
B: [img=74x43]1802e977acfac24.png[/img]
C: [img=74x43]1802e977b4ebbce.png[/img]
D: [img=74x43]1802e977bd8b6a0.png[/img]
A: [img=74x43]1802e977a47fb0c.png[/img]
B: [img=74x43]1802e977acfac24.png[/img]
C: [img=74x43]1802e977b4ebbce.png[/img]
D: [img=74x43]1802e977bd8b6a0.png[/img]
举一反三
- 计算质量分布在半球体[img=183x30]1802e95295212e9.png[/img]的形心的坐标为( )。 A: [img=74x43]1802e9529d637f0.png[/img] B: [img=74x43]1802e952a4b8ddc.png[/img] C: [img=74x43]1802e952ad26312.png[/img] D: [img=74x43]1802e952b56f9a5.png[/img]
- 计算质量分布在半球体[img=183x30]1803b311091f03c.png[/img]的形心的坐标为( )。 A: [img=74x43]1803b3111121e39.png[/img] B: [img=74x43]1803b311191ec34.png[/img] C: [img=74x43]1803b3112145104.png[/img] D: [img=74x43]1803b3112a1c40e.png[/img]
- 计算质量均匀分布在空间区域[img=276x26]1802e95aa8dfbfa.png[/img]上的形心的坐标为( )。 A: [img=74x43]1802e95ab10f3e8.png[/img] B: [img=74x43]1802e95ab9bcab4.png[/img] C: [img=116x51]1802e95ac4e5ba9.png[/img] D: [img=74x43]1802e95acd55fef.png[/img]
- L是圆周[img=161x27]1803857f06c1afd.png[/img]在第一象限部分,[img=93x48]1803857f0fca885.png[/img],则 A: [img=64x43]1803857f184f7e4.png[/img] B: [img=64x43]1803857f20f255c.png[/img] C: [img=53x22]1803857f29084cd.png[/img] D: [img=74x43]1803857f31b4732.png[/img] E: [img=74x43]1803857f3a821c6.png[/img] F: [img=74x43]1803857f44756be.png[/img] G: [img=74x43]1803857f4c66efa.png[/img] H: [img=62x22]1803857f5497d25.png[/img] I: [img=64x43]1803857f5d1932b.png[/img] J: [img=64x43]1803857f655e4c6.png[/img]
- L是圆周[img=161x27]1803c1f6ce1a35f.png[/img]在第一象限部分,[img=93x48]1803c1f6d64142a.png[/img],则 A: [img=64x43]1803c1f6dd6e856.png[/img] B: [img=64x43]1803c1f6e4df0a7.png[/img] C: [img=53x22]1803c1f6ede9a88.png[/img] D: [img=74x43]1803c1f6f64e0a7.png[/img] E: [img=74x43]1803c1f6fe3a8e7.png[/img] F: [img=74x43]1803c1f7066e8b7.png[/img] G: [img=74x43]1803c1f70f1b0f4.png[/img] H: [img=62x22]1803c1f7179d0cf.png[/img] I: [img=64x43]1803c1f72031939.png[/img] J: [img=64x43]1803c1f72897385.png[/img]