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Answer:
100 m
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Answer :-
We have :
Initial velocity (u) = 20 m/s
Time taken (t) - 4 sec
Acceleration due to gravity (g) = 10 m/s²
To find :
Height of the tower (s)
Solution :
Using kinematics :
⇒ s = ut + 1/2 gt²
⇒ s = 20 × 4 + 1/2 × 10 × 4²
⇒ s = 80 + 5 × 16
⇒ s = 80 + 80
⇒ s = 160 m
- The height of the tower is 160 m.
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