A bird flying at 8 km/h in a 6-km/h crosswind has a resultant speed of
A) 6 km/h.
B) 8 km/h.
C) 10 km/h.
D) 14 km/h.
Question 2
A seagull flying at 10 km/h in a 10-km/h crosswind has a resultant speed of
A) 10 km/h.
B) about 14 km/h.
C) 20 km/h.
D) more than 20 km/h.