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Initially a body is at rest. If its acce...

Initially a body is at rest. If its acceleration is `5ms^(-2)` then the distance travelled in the `18^(th)` second is :-

A

86.6m

B

87.5m

C

88m

D

89m

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The correct Answer is:
B
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ALLEN-MOTION IN A PALNE-EXERCISE-1
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  2. A 100 m long train crosses a man travelling at 5 kmh^(-1) , in opposit...

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  3. Initially a body is at rest. If its acceleration is 5ms^(-2) then the ...

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  4. A balloon starts rising from the ground with an acceleration of 1.25ms...

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  5. A body is thrown vertically upwards. If air resistance is to be taken ...

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  6. A particle moves in east direction with 15m/sec for 2 sec then moves i...

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  7. A 210 meter long train is moving due north at a of 25 m/s. a small bir...

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  8. A force vecF=6t^(2)hati+4thatj is acting on a particle of mass 3 kg th...

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  9. Starting from rest, the acceleration of a particle is a=2(t-1). The ve...

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  10. Three different objects of masses m(1) , m(2) and m(2) are allowed to ...

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  11. A ball is thrown upwards . Its height varies with time as shown in fig...

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  12. A man walks on a straight road form his home to a market 2.5 km away w...

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  13. A particle experiences a constant acceleration for 20 sec after starti...

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  14. If a ball is thrown vertically upwards with speed u, the distance cove...

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  15. A man throws balls with the same speed vertically upwards one after th...

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  16. A stone falls freely such that the distance covered by it in the last ...

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  17. Which graph represents the uniform acceleration

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  18. Which of the following equation represents the motion of a body moving...

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  19. The variation ofvelocity ofa particle moving along a straight line is ...

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  20. Which of the following velocity-time graphs represent uniform motion

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