A) 73.5 m
B) 44.1 m
C) 29.4 m
D) None of these
Correct Answer: C
Solution :
\[h=ut+\frac{1}{2}g{{t}^{2}},\ t=3\ \sec ,\ u=-4.9\ m/s\] \[\Rightarrow h=-4.9\times 3+4.9\times 9=29.4\ m\]
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