A pendulum swinging through an angle of 90 degrees has an amplitude of 45 degrees.

A pendulum swinging through an angle of 90 degrees has an amplitude of 45 degrees. pendulum 求教几道英语选择题1.A large fish was slowly swimming through the water,its tail __ back and forth likethe pendulum of a clock.A) swung B) swinging C) was swung D) was swinging2.The cells were designed to _______ sunshine to electricity to ru Pendulum是什么意思 用英语回答回答一下关于社会学的这个问题,Up until recently,it was considered appropriate for physicians to have complete and total control over their patients; now the pendulum is swinging and patients are demanding substantially mor torsion pendulum是什么意思 pendulum-quadruped是什么意思 FOUCAULTS PENDULUM怎么样 pendulum怎么读 Inverted Pendulum怎么发音 swinging bachelor是什么意思 “swinging around revolving是什么意思? 十万火急～!高分悬赏大学英文的物理练习题..1. A seconds pendulum is one that moves through its equilibrium position once each second. (The period of the pendulum is precisely 2.000 s.) The length of a seconds pendulum is 0.9930 m look at those children.they are( )on the rop.A swinging B wagging为什么不选B? I am going to read a magazine________(now,tomorrouw)请尽快回答,还有：Are the monkeys _______?(swing,swinging) Pendulum 的歌词.是Pendulum的 看清楚哟~ Pendulum - The Island下载地址 怎么记住pendulum 的意思