Question

(1) A balloon is rising vertically up with a velocity of 29 ms'. A stone is dropped from it and it reaches the ground in
10 seconds. The height of the balloon when the stone was dropped from it is.......... (g = 98 ms)
(A) 100 m (B) 200 m (C) 400 m (D) 150 m​

Answer 1

Answer:

For a stone which is thrown downwards from a balloon rising upwards, the equation of motion is

h = ut + 1/2gt2

= –29 × 10 + 1/2 × 9.8 × (10)2

= –290 + 490

= 200m.

THANK YOU

Answer 2

Explanation:

option B is right answer