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A body starts from rest with constant ac...

A body starts from rest with constant acceleration. What is the ratio of the distance travelled by the body during the 4th and 3rd seconds ?

A

7/5

B

5/7

C

7/3

D

3/7

Text Solution

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The correct Answer is:
A
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PREMIERS PUBLISHERS-KINEMATICS -Textbook questions & answers (II. Short answer questions).
  1. Define displacement and distance.

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  2. A bird flies for 4s with a velocity of |t-2| m/s in a straight line, w...

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  3. A body starts from rest with constant acceleration. What is the ratio ...

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

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  5. A car covers a distance of 80 km at a speed of 60 km/hr and another 14...

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  6. A boy can throw a stone up to a maximum height of 10 m. The maximum ho...

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  7. If \vec { A } = 4 \hat { \i } - 3 \hat { j } and \vec { B } = 6 \hat {...

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  8. A balloon starts rising from the ground with a constant acceleration o...

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  9. Write down the expression for angle made by resultant acceleration and...

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  10. What is meant by Cartesian coordinate system?

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  11. Define a vector. Give examples.

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  12. Define a scalar. Give examples

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  13. Write a short note on the scalar product between two vectors.

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  14. Write a short note on vector product between two vectors.

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  15. How do you deduce that two vectors are perpendicular?

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  16. Define displacement and distance.

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  17. Define velocity and speed.

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  18. Define acceleration.

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  19. What is the difference between velocity and average velocity?

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  20. Define a radian.

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