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
17
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://www.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
TheHistoryoftheGuitarTheword’guitar’wasbroughtintoEnglishasanadapt
PASSAGETHREE[br]Howmustmouth-to-mouthandcompressionsbedoneaccordingto
[originaltext]Arecentfilm,TheGodsMustBeCrazy,describedthesocialc
【B1】[br]【B2】A、AltogetherB、AlmostC、ScarcelyD、SurelyB副词语义搭配:“几乎是”一夜间。
Thousandsofyearsagomanusedhandyrocksforhissurgicaloperations.Lat
在运输企业绩效考核指标中,企业文化建设属于( )。A.生产经营类指标 B.日
自动弯沉仪测定的是静态弯沉,而落锤式弯沉仪测定的是动态弯沉。
下列医患关系中,属于技术关系的是()A.医务人员对患者良好的服务态度 B
银行承兑汇票的承兑银行,应当按照票面金额向出票人收取()的手续费。A:千分之一
无排卵性功血可能出现的情况是() A.月经间隔时间正常,但经期延长9-10天,
最新回复
(
0
)