Q. A novice skier, starting from rest, slides down a frictionless 34° incline whose vertical height is 128 m. How fast is she going when she reaches the bottom?
Q. A 83 kg person sits on a 3.50 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.50 cm in diameter. Find out the pressure exerted on floor by each leg of the chair; assume the weight is evenly distributed.