average velocity squared of a molecule 翻译

average velocity squared of a molecule 翻译 average velocity和average speed区别在哪? average speed 和average velocity 有什么区别?不要解释的太复杂.简单点就好. average average average average AVERAGE shape velocity velocity是什么 velocity好吗 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? 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 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 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 velocity speed rate velocity speed rate 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 approach stream velocity是什么意思