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

游客2025-02-27 26

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

Whileanti-slaverysentimenteventuallydictatedpolicyinboththeUnitedS
WhichofthefollowingisINCORRECTaboutthewoman?[originaltext]W:Hi,Ineed
Surveyresultsindicatethatsmokingandalcoholandmarijuana(大麻)useincre
用作一般中、大量药液的滤过的是A.沉降分离法 B.离心分离法 C.减压滤过法
Thechangeinthatvillagewasmiraculou
对热不稳定的药物溶液最适合的灭菌方法是（）。A.煮沸灭菌法 B.流通蒸气灭菌
治疗癃闭肝郁气滞证可选用 A.八正散 B.沉香散 C.代抵当汤 D.六磨
汽轮机转子测量应包括（　　）。A.转子平行度测量 B.轴颈不柱度测量 C.转
下列结构层中，级配碎石在满足最大粒径要求时可以用未筛分碎石和石屑组配而成的有（

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

Whileanti-slaverysentimenteventuallydictatedpolicyinboththeUnitedS

WhichofthefollowingisINCORRECTaboutthewoman?[originaltext]W:Hi,Ineed

Surveyresultsindicatethatsmokingandalcoholandmarijuana(大麻)useincre

用作一般中、大量药液的滤过的是A.沉降分离法 B.离心分离法 C.减压滤过法

Thechangeinthatvillagewasmiraculou

对热不稳定的药物溶液最适合的灭菌方法是（）。A.煮沸灭菌法 B.流通蒸气灭菌

治疗癃闭肝郁气滞证可选用 A.八正散 B.沉香散 C.代抵当汤 D.六磨

汽轮机转子测量应包括（ ）。A.转子平行度测量 B.轴颈不柱度测量 C.转

下列结构层中，级配碎石在满足最大粒径要求时可以用未筛分碎石和石屑组配而成的有（

汽轮机转子测量应包括（　　）。A.转子平行度测量 B.轴颈不柱度测量 C.转