Respuesta :
Answer:
F = 1183 N
Explanation:
Given,
The mass of the skier, m = 91 Kg
The initial speed of the skier, u = 0 m/s
The final speed of the skier, v = 13 m/s
The distance traveled by the skier, d = 23 m
The velocity and displacement relation is given by the formula
                  v = d/t  m/s
∴                  t = d/v   s
Substituting the given values in the above equation
                  t = 23 / 13
                   = 1.769  s
Therefore, the acceleration of the skier,
                  a = (v-u)/t
                   = (23 - 0)/ 1.769
                   = 13 m/s²
The force acting on the skier is given by the formula
                  F = ma  N
                    = 91 Kg x 13 m/s²
                   = 1183 N
Hence, the bet force exerted on the skier, assuming his acceleration is constant is, F = 1183 N
