The tip of a blade of an electric fan is 1.5 feet from the axis of rotation.If the fan spins at a full rate of 1760 revo
The tip of a blade of an electric fan is 1.5 feet from the axis of rotation.If the fan spins at a full rate of 1760 revolutions per minute,how many miles will a point at the tip of a blade travel in an hour?(1 mile=5280 feet)
數(shù)學(xué)人氣：590 ℃時間：2020-05-19 05:57:25
優(yōu)質(zhì)解答
電風(fēng)扇的頂部扇葉距離旋轉(zhuǎn)軸1.5英尺,如果電風(fēng)扇以每分鐘1760最大的轉(zhuǎn)速轉(zhuǎn)動的話,那么電風(fēng)扇頂部的扇葉在一小時內(nèi)將會走過多少英里的路程.這樣就很簡單了,由題可以知道這個圓的半徑就是1.5英尺,那么旋轉(zhuǎn)一周的路程就...
我來回答
類似推薦
- A grocery customer spent a total of $9.6 for ground beef and coffee.The coffee cost 2 times as much per pound as the gro
- sat數(shù)學(xué)題
- .SAT的數(shù)學(xué)題
- 90n+23p=4523.If n and p are positive integers in the equation above,what is one possible value of n+p?
- If xy=x+y and y> 2,which of the following must be true about
- 形容獨(dú)自一人的成語
- 3²和a²是同類項(xiàng)嗎?
- 如圖，國旗上的五角星的五個角的度數(shù)是相同的，每一個角的度數(shù)都是（ ?。?A.30° B.35° C.36° D.42°
- 三角形數(shù)陣,1；2,3；4,6,5；8,12,10,7；16,24,20,14,9；32,48,40,28,18,11；···
- 直角三角形ABC周長為2,求面積最大值（用三角函數(shù)知識和建模思想解題）
- 小紅用150 N的力豎直向上提一個質(zhì)量為10kg的水桶受到的合力是（ ）N（g取10N/kg)
- 1.125/0.09脫式計(jì)算
猜你喜歡
- 1f(x)有n階導(dǎo),且f(x)的導(dǎo)數(shù)為f(x)的平方,則f(x)的n階導(dǎo)為什么
- 2噸與升之間的換算單位是多少?
- 3如果地球是方的,那么對我么人類活動會有什么影響?地球上的哪些現(xiàn)象會發(fā)生變化?如題 謝謝了
- 41.大蒜新素的化學(xué)式為C6H10S2,請問14.6g的大蒜新素含幾摩爾的氫原子,質(zhì)量為多少?
- 5英語翻譯
- 6這道題的6除以1與6乘以1的意思相同嗎?是一道小學(xué)二年級的判斷題
- 7小巧參加了學(xué)校的“護(hù)綠隊(duì)”,負(fù)責(zé)為草坪鋤雜草.計(jì)劃每天鋤雜草65平方米,一星期可以完成任務(wù).
- 8[-A20] In many places in China , _____ bicycle is still ______ popular means of transportation.
- 9"youth is not a time in life"是啥意思?
- 10如圖，⊙O的直徑AB垂直于弦CD，垂足為E，若∠COD=120°，OE=3厘米，則OD=_厘米．
- 11warranty manager 如何翻譯
- 12如圖是一個正方形，甲和乙分別是等腰三角形的兩種不同的內(nèi)接正方形，則圖中甲與乙的面積比是_．