1. When an astronaut enters the [55 (International Space Station), they are in I"'free fall,\" where the only force acting on them is the force of gravity applied by the Earth. -a) What happus to their true weight and her apparent weight as she enters the ISS'? Explain. 2. What is the mass of a person aceelerating downward at -5.45 nn'sz if they.r are standing on a scale that reads 236 N? 3. While traveling at constant speed in an airplane, a passenger's weight is T50 N. When the airplane accelerates downwards, his apparent weight is 6T2 N. - a) What was the acceleration of the airplane