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  4. A drunkard walking in a narrow lane takes 5 steps forward and 3 steps backward followed again by 5 steps forward and 3 steps backward and so on. Each step is lm long and requires Is. Determine how long the drunkard takes to fall in a pit 13 m away from the starting point?

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Q. A drunkard walking in a narrow lane takes $ 5 $ steps forward and $ 3 $ steps backward followed again by $ 5 $ steps forward and $ 3 $ steps backward and so on. Each step is lm long and requires Is. Determine how long the drunkard takes to fall in a pit $ 13 \,m $ away from the starting point?

AMUAMU 2016Motion in a Straight Line

Solution:

According to the question, the drunkard moves $5m$ forward, and $3 \,m$ in backward direction and takes $8 \,s$ in the movement. In,such a way, the total distantance covered by drunkard
$8 + 8 + 8 + 8 + 5= 37 \,s$.