What is the weight of an object (mass = 60 kilograms) on mars, where the acceleration due to gravity is 3.75 meters/second2? . select one of the options below as your . a. 1.6 newtons. b. 16 newtons. c. 22.5 newtons. d. 225 newtons. e. 2250 newtons.

Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)