[单选题]
A brick and a feather fall to the earth at tm81 wt 4:qytuvheir respective /(jo w4cfc;qh5 pkfy r*.bg)l terminal velocities. Which object expe5kh(;cg c)/w*lpo j r fq.4bfyriences the greater force of air friction?
A. the feather
B. the brick
C. Neither, both experience the same amount of air friction.
D. It cannot be determined because there is not enough information given.
参考答案: B
本题详细解析:
暂无
| 
