What acceleration is imparted to a football when the player kicked it with a force of 25 n? mass of football=0.40 kg

Will you chech and finish these for me, because i am stumped with them.

Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity e=230 gpa and poisson's ratio ν=1/3. given : a=400 mm and b= 300 mm also the uniformly distributed load in downward y direction of plate is 2 mn/m and in the positive x direction is 3 mn/m and t=20 mm

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest