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A hall has the dimensions 10m xx 10m xx ...

A hall has the dimensions 10m `xx` 10m `xx` 10 m. A fly starting at one corner ends up at a diagonally opposite corner. The magnitude of its displacement is nearly

A

` 5 sqrt(3) m `

B

`10 sqrt(3) m `

C

`20 sqrt(3)` m

D

`30 sqrt(3) `m

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The correct Answer is:
B
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MOTION-ONE DIMENSION MOTION-EXERCSE -1 (Section - A : Distance, Displacement, Velocity and Acceleration, Equation of Motion )
  1. A hall has the dimensions 10m xx 10m xx 10 m. A fly starting at one co...

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  2. A car travels from A to B at a speed of 20 km//hr and returns at a spe...

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  3. A car runs at a constant speed on a circulat track of radius 100 m. T...

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  4. A body moves along the sides AB, BC and CD of a square of side 10 mete...

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  5. A body covers half the distance with a velocity 10 m/ s and remaining ...

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  6. A particle moves along X-axis in such a way that its coordinate X vari...

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  7. The position of a body with respect to time is given by x = 4t^(3) – 6...

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  8. A car travels along a straight line for first half time with speed 40 ...

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  9. A truck travelling due north at 20 m/s turns east and travels at the s...

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  10. A motor car covers 1//3^(rd) part of total distance with v(1) = 10 ...

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  11. A particle travels A to M along a straight line with a velocity of 8 m...

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  12. At an instasnt t the coordinates of a particles are x=at^(2), y=bt^(2)...

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  13. The displacement time graph of a moving particle is shown below T...

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  14. Figure shows four paths along which objects move from a starting poi...

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  15. Figure shows the path followed by a particle. Its velocity is shown at...

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  16. A body starting from rest and has uniform acceleration 8 m//s^(2) . ...

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  17. A car accelerates from rest at a constant rate alpha for some time, af...

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  18. The distance x travelled by the car in above problem in time t is give...

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  19. A train, travelling at 20 km//hr is approaching a platform. A bird is ...

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  20. A body moves with uniform velocity of u = 7 m/s from t = 0 to t = 1.5 ...

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