Question: Sammy (75kg) skiis down a 20 degree slope starting from rest. A strong headwind blowing horizontally exerts a constant 30N force on him as he skiis. If the length of the slope is 400m,
Part A: How long does it take him to reach the bottom?
I need tutor help to solve the above question and ignore any effects of friction between Sammy's skiis and the snow.