题干
阅读短文，判断对（T）错(F)
I'm Lingling. I have got a new bike. It's a nice bike. I go to school by bike every day. My mother is a teacher. Her school is near our home. So she walks to work. My father is a doctor. He goes to work by car.
阅读短文，判断对（T）错(F)
I'm Lingling. I have got a new bike. It's a nice bike. I go to school by bike every day. My mother is a teacher. Her school is near our home. So she walks to work. My father is a doctor. He goes to work by car.
为m的物体以初速度v0被抛出，不计空气阻力，当它到达B点时，其动能为（ ）