2021答案 Physics(大学物理) 最新大学MOOC满分章节测试答案
Chapter 32 Special Theory of Relativity (3) Midterm Test
1、 问题:Which of the following ideas is helpful in understanding projectile motion?
选项:
A:The horizontal motion is independent of the vertical motion.
B:The velocity of the objects is zero at the point of maximum elevation.
C:Acceleration is +g when the object is rising and -g when falling.
D:In the absence of friction, the trajectory will depend on the object’s mass as well as its initial velocity and launch angle.
答案: 【The horizontal motion is independent of the vertical motion.】 点我阅读全文