A circular wheel travels along a flat surface at a constant rate of 2.5 feet per

游客2025-02-27 19

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

Agreatdealofattentionisbeingpaidtodaytotheso-calleddigitaldivid
BathingSuitsandSwimmingHabitsHaveChangedaLotOvertheYearsA)Ha
Youshouldspendabout20minutesonQuestions14-26whicharebasedonReading
CulturalDifferencesbetweenEastandWestI.Factorsleadingt
ThecriminalthepolicehadcaughtwasanEnglishman.[br]Itwaspolicewhohel
[originaltext](19)TheWorldMeteorologicalOrganizationreportsthelevel
AftertheviolentearthquakethatshookLosAngelesin1994,earthquakescie
计算沥青混合料最佳沥青用量OAC?需要用到的指标有()。A.稳定度 B.空隙率
贴现债券发行时只公布（）。 A.发行价格B.面额C.利息率D.贴现率
电路如图7-18所示，已知I1=I2=1A,总电流I=（）A。 A.2B

最新回复(0)

A circular wheel travels along a flat surface at a constant rate of 2.5 feet per

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

Agreatdealofattentionisbeingpaidtodaytotheso-calleddigitaldivid

BathingSuitsandSwimmingHabitsHaveChangedaLotOvertheYearsA)Ha

Youshouldspendabout20minutesonQuestions14-26whicharebasedonReading

CulturalDifferencesbetweenEastandWestI.Factorsleadingt

ThecriminalthepolicehadcaughtwasanEnglishman.[br]Itwaspolicewhohel

[originaltext](19)TheWorldMeteorologicalOrganizationreportsthelevel

AftertheviolentearthquakethatshookLosAngelesin1994,earthquakescie

计算沥青混合料最佳沥青用量OAC?需要用到的指标有()。A.稳定度 B.空隙率

贴现债券发行时只公布（）。 A.发行价格B.面额C.利息率D.贴现率

电路如图7-18所示，已知I1=I2=1A,总电流I=（）A。 A.2B