A helicopter is ascending vertically at the rate of 19.6 m/s when it is at a height of 156.8 m above the ground, a stone is dropped. How long does the stone take to reach the ground?
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Ans : v = √(2×9.8×156.8)
= √3073.28
= 55.43÷9.8
= 5.65
T= 5.65
numan22abid:
thanks for the help..... but i think this is the wrong solution..
you forget about the vi which initial velocity .. its not simple as you solve this ques...
Answered by
6
Answer: 8 second
Explanation:I try my best to solve it but I have also little confusion
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