In football practice , two wide receivers run different pass receiving patterns. One with a mass of 80.0 kg run s at 45° north east at a speed of 5.00 m/s. The second receiver (mass of 90.0 kg) run s straight down the field (due east) at 6.00 m/s. (a) What is the direction of their total momentum: 1. exactly northeast
2. to the north of northeast
3. exactly east
4. to the east of north east? (b) Justify your answer in part (a) by actually computing their total momentum .