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A drunkard walking in a narrow lane take...

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 1 m long and requires 1 s. Plot the x-t graph of his motion. Determine graphically and otherwise how long the drunkard takes to fall in a pit 13 m away from the start.

A

21s

B

29s

C

31s

D

37 s

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The correct Answer is:
B
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AAKASH SERIES-MOTION IN A STRAIGHT LINE -EXERCISE -II
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  2. A person walks along a straight road from his house to a market 2.5kms...

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  3. A drunkard walking in a narrow lane takes 5 steps forward and 3 steps ...

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  4. A particle moving with a constant acceleration describes in the last s...

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  5. A car moving with constant acceleration covers the distance between tw...

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  6. A car moving with a speed of 50 km/hr can be stopped by brakes after a...

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  7. A particle starts moving from rest with uniform acceleration. It trave...

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  8. The reaction time for an automobile driver is 0.7 sec. If the automobi...

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  9. If the particle is moving along a straight line given by the relation ...

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  10. A bullet fired into a fixed target loses half of its velocity in penet...

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  11. For a body travelling with uniform acceleration, its final velocity is...

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  12. A bus starts from rest with a constant acceleration of 5 "m/s"^2. At t...

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  13. A man walks up a stationary escalator in 90sec. When this man stands o...

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  14. Two trains are each 50m long moving parallel towards each other at spe...

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  15. A car moving on a straight road accelerates from a speed of 4.1 m/s to...

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  16. A body starting with a velocity 'v' returns to its initial position af...

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  17. The position of a particle moving in the XY-plane at any time 't is gi...

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  18. An object falling through a fluid is observed to have an acceleration ...

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  19. The position of an object moving along x-axis is given by x=a+bt^(2) w...

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  20. The displacement x of a particle moving in one direction is given by t...

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