Question

An airplane takes off from Boston for
the 980 km trip to Detroit. The plane
lands two hours later. Which of the
following best describes the average
speed and direction of the airplane's
flight?
A. 325 km/h W
B. 490 km/h W
C. 980 km/h W
D. 1960 km/h W​

Answer 1

Answer:B

Explanation:

Calculate speed using equation:V=S/t

S=980 km ------------   distance Boston-Detroit

t=2h ---------------------   time

v=?

------------------------

V=S/t

V=980km/2h

V=490km/h