Final. Answer : a) t = 5/3 s b) S = 175/9 = 19.4m c) 175/9 = 19.4m
Understanding : 1) Convention : Upward direction is positive. Downward direction is negative. 2) Relative Motion. We will consider the equation with respect to lift to find time. Then, other. For Calculation see pic.
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Final. Answer :a) t = 5/3 s
b) S = 175/9 = 19.4m
c) 175/9 = 19.4m
Understanding :
1) Convention : Upward direction is positive.
Downward direction is negative.
2) Relative Motion.
We will consider the equation with respect to lift to find time.
Then, other.
For Calculation see pic.