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Starting from rest at s=0,a boat travels...

Starting from rest at s=0,a boat travels in a straight line with an acceleration on as shown by the a-s graph. Determine the boat's speed at s=40,90 .

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12.7 m/s,22.8 m/s,36.1 m/s
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AAKASH SERIES-MOTION IN A STRAIGHT LINE -Numerical exercise(LEVEL-2)
  1. A car moving with constant acceleration crosses two points A and B wit...

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  2. A body covers 200 cm in the first 2 sec and 220 cm in the next 4 sec u...

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  3. Two cars X and Y start off to a race on a straight path with initial v...

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

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  5. If a body loses half of its velocity on penetrating 3 cm in a wooden b...

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  6. A particle moving with uniform acceleration has its final velocity (v=...

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  7. A person is running at his maximum speed of 4 m/s to catch a train. Wh...

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  8. When a man stands on a moving escalator he goes up in 50 sec. and when...

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  9. An object describes 225 m in the first 3s and 400 m in the next 2s.Cal...

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  10. Ewhen a stone is dropped into a well, the splash of water is heard aft...

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  11. Two stones are through up simultaneously from the edge of a cliff 240 ...

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  12. A planet travels in an elliptical orbit about a star as shown. At what...

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  13. The position of a particle moving along the x-axis depends on the time...

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  14. The acceleration of a particle is given by a (t)=(3.00 m//s^(2)-(2.00 ...

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  15. A particle oscillates between the points x=40mm and x=160mm with an ac...

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  16. The car start from rest at x=0 and is subjected to an acceleration sho...

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  17. Starting from rest at s=0,a boat travels in a straight line with an ac...

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  18. A particle leaves the origin with an initial velocity u=(3hati)m//s an...

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  19. A particle A is moving in xy plane with the constant speed of 2pi m//s...

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  20. Figure shoes the distance -time graph of three person A,B and C. (a)...

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