Downhill skiers race over a course that's 3,500 m long in 2 minutes, 10
seconds. what is their approximate average speed for this course?
o
a. 1.67 m/s
o
b. 26.9 m/s
o
c. 19.2 m/s
o
d. 1,667 m/s

=26.92 m/s

Explanation:

Speed is calculated as a ratio of the total distance covered ( It is directionless) to the total time taken to cover the distance.

Average speed= total distance/total time

                         =x/t

Total distance from the question= 3500m

Total time taken to cover the above distance = 2×60 +10=130 Seconds

Therefore, average speed= 3500m/130 s

=26.92 m/s

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the moon affects the earth gravitation ally, causing certain motions of that body and also producing tides in its ocean and atmosphere. the tidal wave in our atmosphere is, however, far too minute to be an effective cause in any known meteorological phenomenon.

explanation: