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A person walks up a stalled escalator in...

A person walks up a stalled escalator in 90 s. When just standing on the same moving escalator, he is carried in 60 s. The time it would take him to walk up the moving escalator will be

A

30 s

B

45 s

C

36 s

D

48 s

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-MOTION IN A STRAIGHT LINE -EXERCISE -II
  1. For a body travelling with uniform acceleration, its final velocity is...

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  2. A bus starts from rest with a constnat acceleration of 5m//s ^(2). At ...

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  3. A person walks up a stalled escalator in 90 s. When just standing on t...

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  4. Two trains are each 50 m long moving parallel towards each other at sp...

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

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

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  7. The position of a particle moving in the xy-plane at any time t is giv...

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  8. An object falling thro ugh a fluid is observed to have accleration gi...

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

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

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  11. A police van moving on a highway with a speed of 30 km h^(-1) fires a ...

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  12. Two trains, which are moving along different tracks in opposite direct...

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  13. A car accelerates from rest with 2 m // s^(2) on a straight line path ...

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  14. A body falls from 80 m. Its time of descent is [g = 10 ms^(-2)]

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  15. Two bodies whose masses are in the ratio 2:1 are dropped simultaneousl...

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  16. A body falls for 5 s from rest. If the acceleration due to gravity of ...

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  17. A body freely falling from a height h describes (7h)/16 in the last se...

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  18. A body released from the top of a tower of height h takes T seconds to...

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  19. The ratio of times taken by freely falling body to cover first metre, ...

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  20. A body is droped from a height 122.5 m. If its stopped after 3 seconds...

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