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
2024-01-12
56
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/3354777.html
相关试题推荐
Howmuchlongeristheedgeofacubewithasurfaceareaof1,350thantheedge
Acircularwheeltravelsalongaflatsurfaceataconstantrateof2.5feetper
Inthefigureabove,theareaofthecircularregionwithcenterOis16π,ifAB
Dr.TonegawawontheNobelPrizefordiscoveringhowthebodycanconstantlycha
ElNino,theperiodicabnormalwarmingoftheseasurfaceoffPeru,aphenomenon
In1974alargeareaofthesurfaceofMercurywasphotographedfromvaryingdis
Incontrastwithadarksurfaceanditstendencytowardheatabsorption,alarge
[img]ct_gre5image038[/img]Arectangularlabelisattachedtoarightcircularc
[img]ct_gre5image022[/img]If9treesareoriginallyplantedinacircularpatte
[img]ct_4image006[/img]Asquaredartboardhasfourdarkcircularregionsofra
随机试题
Ifyouleftyourbookonthetableovernight,youwouldfindthefollowingm
Truerelaxationismostcertainlynotamatteroffloppingdowninfrontof
Somestudentsarenotadequatelypreparedforcollege.Shouldweturnthema
依法公开招标的工程,应本着()的原则,依据《建设工程工程量清单计价规范》GB50
采用CSMA/CD协议的基带总线,段长为1000M,数据速率为10Mb/s
有限责任公司在申请IPO之前,应先变更为( )。A、私营企业 B、上市公司
对某高速公路稳定碎石基层材料强度进行施工过程中的质量抽检,并进行评定。已知该水泥
甲有限责任公司(简称“甲公司”)是一家提供信息技术服务的软件公司,为增值税一般
商业银行发放贷款时,未严格执行先落实抵押手续、后放款的规定,致使贷款处于无抵押的
下列心力衰竭治疗措施中。不能减轻心脏负担的是A:身心休息 B:低盐饮食 C:
最新回复
(
0
)