A skier, descending from a mountain, walks 5 m in 5 s. Descending from the mountain and continuing to move

A skier, descending from a mountain, walks 5 m in 5 s. Descending from the mountain and continuing to move, he goes to a full stop for another 30 m in 15 s. Find the average speed of the skier during the entire movement.

We calculate the average speed of the skier using the formula:
Vav. = S / t, where S is the total distance traveled (S = S1 + S2, where S1 = 5 m, S2 = 30 m), t is the total travel time (t = t1 + t2, where t1 = 5 s, t2 = 15 s).
Let’s calculate the average speed of the skier for the entire movement:
Vav. = S / t = (S1 + S2) / (t1 + t2) = (5 + 30) / (5 + 15) = 35/20 = 1.75 m / s.
Answer: The average speed of the skier during the entire movement will be 1.75 m / s.