[填空题]
A farm boy studying phyzmc ;tmka 5h:+sics believes that he can fit a 15.0-m-long pia;wd;99itn*ek (b. ev)m txa ole into a 12.0-m-long barn if he runs fast enough (carrying the pole). Can he do it? Explain in detail. How does this fit with the idea that when he is ru ;d eta.wak(*t 9xn;miei)9bvnning the barn looks even shorter to him than 12.0 m?
