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

游客2024-01-12 53

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。

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

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

Wisebuyingisapositivewayinwhichyoucanmakeyourmoneygofurther.T

I’dliketotakeadvantageofthisopportunitytoexpressmysincere______for

TheTouch-ScreenGenerationA)Onachillydaylastsprin

集体潜意识

Brunnstrom技术定义错误的是A.在中枢神经系统损伤初期，利用反射模式作为

伤口换药注意事项

理想的TDM应测定A.血中总药物浓度B.视要求不同而异C.血中游离药物浓度D.血

2010-38.既能镇惊安神，又能活血散淤（瘀）、利尿通淋的药物是 A.琥珀

（2019年真题）境外自然人为境内单位提供宣传画册设计服务，境内单位支付含税服务

当怀疑被审计单位存在违反法律法规行为，且管理层不能提供充分的信息时，注册会计师首