[填空题]
A baseball (m=140kg) u;0n8vpsv hu 4trave:x/rx.c / fuo pipuf+m,tz-ez/r ax: +ling 32m/s moves a fielder’s glove backward 25 cm when the ball is caught. What was the average force exerted by the ball on the glove? /.-f/erzrfxpx++iz/:poc: uamutx , N
