英语翻译two masses,m1 and m2,connected to each other and to a central post by cords,rotate about the post at frequency f (revolutions per second) on a frictionless horizontal surface at distances r1 and r2 from the post.derive an algebraic expres

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英语翻译two masses,m1 and m2,connected to each other and to a central post by cords,rotate about the post at frequency f (revolutions per second) on a frictionless horizontal surface at distances r1 and r2 from the post.derive an algebraic expres
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英语翻译two masses,m1 and m2,connected to each other and to a central post by cords,rotate about the post at frequency f (revolutions per second) on a frictionless horizontal surface at distances r1 and r2 from the post.derive an algebraic expres
英语翻译
two masses,m1 and m2,connected to each other and to a central post by cords,rotate about the post at frequency f (revolutions per second) on a frictionless horizontal surface at distances r1 and r2 from the post.derive an algebraic expression for the tension in each segment of the cord.

英语翻译two masses,m1 and m2,connected to each other and to a central post by cords,rotate about the post at frequency f (revolutions per second) on a frictionless horizontal surface at distances r1 and r2 from the post.derive an algebraic expres
m1、m2两个物体用绳绑在一起并绑在一定点上,一起绕着定点作频率为f的圆周运动,半径分别为r1、r2,在图中画出各段绳的张力
题很简单 图你自己画吧

英语翻译two masses,m1 and m2,connected to each other and to a central post by cords,rotate about the post at frequency f (revolutions per second) on a frictionless horizontal surface at distances r1 and r2 from the post.derive an algebraic expres Two masses,m1=18.0kg and m2=26.5kg,are connected by a rope that hangs over a pully.The pully is an uniform cylinder of radius 0.260m and mass 7.50kg.Initially,m1 is on the ground and m2 rests 3.00m above the ground.If the system is now released,use c 英语翻译Percutaneous biopsy of organs,masses or focal visceral lesions is an integral part of the diagnostic process for a large number of patients. 英语翻译There are two additional factors that influence these moving air masses.One is water vapor that the rising hot air soaks up like a sponge.The other is temperature which,by cooling the hot air,forces it to squeeze out its water vapor in th 英语翻译There are two books and an pen on the desk.还有什么 英语翻译2.the two parties finally arrived at an agreement in th end 英语翻译determine how to distribute an addition mass of 6 g at the three vertices of the plate to move the balance point of the plate to (2,2).[Hint:Let w1,w2,and w3 denote the masses added at the three vertices,so that w1+w2+w3=6]原题目见图 Killing masses of cells in vital organs在下句中是什么意思At high levels,radiation can kill an animal or human being outright by killing masses of cells in vital organs. 英语翻译Overhanging a vast canyon,but giving evidences of thousands of years of survival,are suggestive masses of granite. individuals and masses 求一句英语汉意as for the two disney worlds,they are usually dismissed as plastic worlds of make-believe for the unsophisticated masses. 英语翻译two weeks? 英语翻译是Two Creature....... 英语翻译but two 英语翻译two rects intersect 英语翻译5.Use the PSID1982 dataand consider the following two nonnested models(compare with Baltagi2002,p.230):M1 :log(wage) = _0 + _1education + _2experience+ _3experience2+_4weeks + _5married + _6gender+_7ethnicity + _8union + M2 :log(wage) = 英语翻译We must see an official bank statement showing at least two years worth of liquid funding. 英语翻译competitive environment:an environment in which two or companies rival for limited resources or markets中文翻译