14 8 If the 50 kg crate is subjected to a force of P 200 N determine its speed when it has traveled 15 m starting from rest The coefficient of kinetic friction between the crate and the ground is 0 3 14 9 If the 50 kg crate starts from rest and attains a speed of 6 m s when it has traveled a distance of 15 m determine the force P acting on the crate The coefficient of kinetic friction between the crate and the ground is p 0 3