A truck travels beneath an airplane that is moving 120 km/h at an angle of 24◦ to the ground.

Question

How fast must the truck travel to stay beneath the airplane?

Answer 1

Vt = 120cos24 = 18.27km/h.

Answer 2

hey im typing that in my caculator and its not getting 18.27. what am I doing wrong?

Answer 3

Type 120arccos(24)

Answer 4

109.625