Question

hey.... help me in solving this
A stone is dropped horizontally with speed 5ms from the top of building of height 20m. Time taken by the body to reach the ground is




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Answer 1

Answer:

2 s

Explanation:

Along vertical axis:

Initial velocity = 0

Final velocity = √(2gH)

= √(2 × 10 m/s² × 20 m)

= 20 m/s

Time taken = (v - u) / g

= (20 m/s - 0 m/s) / (10 m/s²)

= 2 s