[填空题]
A 95-kg fullback is running at 4m/s to the east and is stopped j)5 dcair3i,vin 0.75 sfitzjooz*jq3 kf m491in1n 2 - by a head-on tackle of 3q9nztkizn mj1-j24if1*oby a tackler running due west. Calculate
(a) the original momentum of the fullback kg*m/s
(b) the impulse exerted on the fullback kg*m/s
(c) the impulse exerted on the tackler, kg*m/s
(d) the average force exerted on the tackler. N