Q1. A space traveller whose mass is 104kg leaves earth. What are his weight and masson earth and in interplanetary space where there are no near planetary objects?
Q2. The force exerted by the wind on the sails of the sailboat is Fsail = 470 N north. The water exerts a force of Fkeel = 150 N east. If the boat (including its crew) has a mass of 290 kg, what are the magnitude and direction of its acceleration?