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A bird flies for 4s with a velocity of |...

A bird flies for 4s with a velocity of |t-2| m/s in a straight line, where time, t in seconds. It covers a distance of

A

2m

B

4m

C

6m

D

8m

Text Solution

Verified by Experts

The correct Answer is:
B
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PREMIERS PUBLISHERS-KINEMATICS -Textbook questions & answers (II. Short answer questions).
  1. How do you deduce that two vectors are perpendicular?

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  2. Define displacement and distance.

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

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

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

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

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

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

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

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

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  11. What is meant by Cartesian coordinate system?

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  12. Define a vector. Give examples.

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  13. Define a scalar. Give examples

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

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

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

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  17. Define displacement and distance.

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  18. Define velocity and speed.

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  19. Define acceleration.

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

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