Q. A ball is thrown vertically upwards from the top of a tower at 4.9$ms^{- 1}$. It strikes the pond near the base of the tower after 3s. The height of the tower is
A) 29.4m
B) 44.1m
C) 73.5m
D) 490m
Explanation
(a) $h = - 4.9 \times 3 + \frac{1}{2} \times 9.8 \times 3 \times 3 = 5.9 \times 3 \times 2m = 29.4$m
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.