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A body moves with uniform velocity of u = 7 m/s from t = 0 to t = 1.5 sec. For t gt 1.5 s, it starts moving with an acceleration of 10 m/s2. The distance travelled between t = 0 to t = 3 sec will be -

A

47. 75 m

B

32.25 m

C

16.75 m

D

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  15. A driver applies the brakes on seeing traffic signal 400m ahead. At th...

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  16. The position of a particle is expressed as vecr = ( 4t^(2) hati + 2th...

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  17. The position of a particel is expressed as vecr = ( 4t^(2)hati + 2tha...

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  18. A thief is running away on a straight road in a jeep moving with a spe...

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  19. A disc arranged in a vertical plane has two groves of same length dire...

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  20. A body is moving from rest under constant acceleration and let S1 be t...

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