17.27: A 2.0 kg mass
df :8 dv ny)et3lg8tdsy 6hyf: 6uz.c 5xdhi-)moves at 10.0 m/s when it has a collision in space. The mass’s speed was unchanged, but the direction of its velocity was alte
t8y: 5s dc)y6yt8 -l ddv3 xuzi.6gh):dhnfefred by $80^{\circ}$. If the collision lasted 0.25 s, what was the magnitude of the average force exerted on the mass?