$2.(10$ points$)$ A $2100$ kg truck traveling north at $41$ km$/$hr turns east and accelerates at

$51$ km$/$hr$.$

$($a$)(3$ points$)$ What is the change in the truck$$s kinetic energy?

$($b$)(4$ points$)$ What is the magnitude of the truck$$s change in momentum?

$($c$)(3$ points$)$ What is the direction of the truck$$s change in momentum?