13. If a track athlete runs an 800 m race at a constant speed of 2 m/s, how long will it

take her to win the race?

Type A. 6.7 min

your

B. 16 min

answer

C. 26.7 min

D. 400 min

take her to win the race?

Type A. 6.7 min

your

B. 16 min

answer

C. 26.7 min

D. 400 min

Answer:A

Explanation:Speed=distance/time

2=800/t

t=800/2

t=400 seconds

t=400/60(min)

t=6.67 min