Question

a small ball is dropped from a balloon moving vertically up at a

Answer 1

please complete the question dear........

Answer 2

small ball ia dropped from a balloon moving vertically above at a speed of 10m/s when the balloon is at height 15m above the ground. Neglect air friction and take g=10m/s^2. which of the following is not true? 
(a) the ball reaches the ground in 3 sec. 
(b) the bal covers a distance of 25m. 
(c) the magnitude of average velocity of the ball is 8.33 m/s 
(d) the ball moves up with a speed of 10m/s qt an instant where it ia dropped from the balloon