After rolling down the mountain, the sleds begin to move along a horizontal surface at a speed of 10 m / s.

After rolling down the mountain, the sleds begin to move along a horizontal surface at a speed of 10 m / s. The coefficient of friction between the sled runners and the road is 0.1. How far the sled will go in 5 seconds.

Data: V0 (speed of the sleigh after rolling down the mountain) = 10 m / s; μ (coefficient of friction) = 0.1; t (duration of the sleigh movement on a horizontal surface) = 5 s.

Constants: g (acceleration due to gravity) ≈ 10 m / s2.

1) Determine the acceleration of the sleigh on a horizontal surface: m * a = Ftr = μ * m * g and a = μ * g = 0.1 * 10 = 1 m / s2.

2) Calculate the path traveled by the sled: S = V0 * t – 0.5 * a * t ^ 2 = 10 * 5 – 0.5 * 1 * 5 ^ 2 = 50 – 12.5 = 37.5 m.

Answer: The sledge went 37.5 m.