the average velocity of the object over that time interval isover在这里是什么用吗意思我知道,我不知道这是那种用法,在这里是动词?我是奇怪over在这里是什么意思，over不是在某某的上面吗？？over that time

average velocity squared of a molecule 翻译 average velocity和average speed区别在哪? A runner runs 2km in 5min in the positive direction and then takes 10min to walk back in the negative direction to his initial point.Q1:What is the average velocity for the time spent walking?Q2:What is the average velocity for the first 5 minutes? average speed 和average velocity 有什么区别?不要解释的太复杂.简单点就好. The function f,defined by f(t)=6+cos(t/40)+3sin(7t/40),is used to model the velocity of the plane,in miles per minute,for 0≤t≤40.According to thhis model,waht is the acceleration of the plane at t=23?What is the average velocity of the plane,in m above the average and below the average. 英语物理题一道turner's treadmill runs with a velocity of -1.2m/s^2 and speed up at regular intervals during a half-hour workout.after 25 min,the treadmill has a velocity of -6.5m/s.what is the average acceleration of the treadmill during this beyond average还是beyond the average? 英语翻译Under which of the following conditions is the magnitude of the average velocity of a particle moving in one dimension smaller than the average speed over some time interval?A.A particle moves in the +x direction without reversing.B.A par take the average average man in the 计算一道英文数学题 关于velocity速度的At a time of t seconds, a particle moves a distance of s meters from its starting point, where s=5 sin(1.7 t)a) Find the average velocity (correct to four decimal places) between t=1 and t=1+h for th The Velocity Of Love 翻译中文是什么意思? SAT物理题Which of the following statements is true about the ideal gas contained at a fixed volume when its temperature is raised?A.The density of the gas decreases.B.The average velocity of the gas particles increasesC.the density of the gas incr average average average average