首页
登录
职称英语
A circular wheel travels along a flat surface at a constant rate of 2.5 feet per
A circular wheel travels along a flat surface at a constant rate of 2.5 feet per
游客
2025-02-27
47
管理
问题
A circular wheel travels along a flat surface at a constant rate of 2.5 feet per second. How many complete revolutions will the wheel make in 50 seconds if its diameter is 3 feet?
选项
A、6
B、10
C、13
D、14
E、19
答案
C
解析
50秒内轮子走过的距离:轮子的周长(πd)×圈数。50×2.5=π×3×revolutions=13<revolution<14。
转载请注明原文地址:https://tihaiku.com/zcyy/3974799.html
相关试题推荐
Howmuchlongeristheedgeofacubewithasurfaceareaof1,350thantheedge
Acircularwheeltravelsalongaflatsurfaceataconstantrateof2.5feetper
Thetopsurfaceareaofasquaretabletopwaschangedsothatoneofthedimensi
Acircularrim28inchesindiameterrotatesthesamenumberofinchespersecon
MostofEarth’ssurfaceisocean.Theoceanfloorisinaccessibleforextensive
In1974alargeareaofthesurfaceofMercurywasphotographedfromvaryingdis
f(t)=ktforallt,wherekisaconstant,andf(3)=1/2ColumnA
[img]ct_gre5image022[/img]If9treesareoriginallyplantedinacircularpatte
[img]ct_4image006[/img]Asquaredartboardhasfourdarkcircularregionsofra
Johnisbuildingacircularfencearoundhiscircularpool.Thepoolis26feet
随机试题
Indiansalwaysshake(摇)theirheadstheytalktoothers.【C1】______doesnotha
BeingwithSeamusHeaneywaslikebeingwithtwopeopleatonce.Ontheone
CollegeRequiresFitnessAssessmentforFreshmenA)Duringth
She______Mr.Brownyesterdaymorning,forhehasgonetoNewJerseyOnbusines
项目监理机构对工程施工质量实施控制的主要依据有( )。A.工程合同文件 B.
()1月国务院办公厅转发了《关于进一步加强古籍保护工作的意见》,就加强古籍保护
生产厂房的空调系统在无生产负荷的联合试运转及调试中,不符合规定的调试要求应是下列
1959年,美国科学院召开了改进中小学自然科学教育的会议,从而掀起了60年代以加
与强、平衡、灵活的神经类型相对应的气质类型是()。 A.胆汁质 B.多血质
为满足安全监督管理的需要,将压力管道分为( )。A.GA B.GB C.GC
最新回复
(
0
)