Q)1. Which two vectors, when added, will have the largest (positive) y component? a- C and D b- E and F c- A and F A d- A and B EV D 2-The position of a particle moving along the x axis is given by the equation x = 4+12t -3t2, where x is in meters and t is in seconds. Find the position (in m) of the particle when it changes its direction a) 8m b) 16m c)24m d) 12m 3- A hot-air balloon is rising vertically with a constant speed of v = 10 m/s. A girl standing in the balloon box releases a sand bag at the instant when the balloon is at a height of 40 m above the ground.2 Neglect air resistance. Find the speed of the sand bag when reach the ground. a) 30m/s b)20 m/s c)24m/s d) 12m/s