The coefficients of friction between the flatbed of the truck and crate are πs = 0.80 and πk = 0.70The coefficient of kinetic friction between the truck tires and the road surface is 0.90. If the truck stops from an initial speed of 15 m/s with maximum braking (wheels skidding), determine where on the bed the crate finally comes to rest or the velocity vrel relative to the truck with which the crate strikes the wall at the forward edge of the bed.