Question

5.
A balloon rises vertically upward with a constant
velocity of 30 m/s. When the balloon is at a height
of 80 m, a stone is dropped from it. The time taken
by stone to reach the ground is (Take g = 10 ms-2)
(1) 4s
(2) 8 s
(3) 5/2s
(4) 312 s​

Answer 1

Answer:

Step-by-step explanation:

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