10. Write an example of zero vector. 11. State the essential condition for the addition of vectors. 12. When is the magnitude of (A+ B) equal to the magnitude of (A-B) ? 13. What is the maximum number of component into which a vector can be resolved ? 14. A body projected horizontally moves with the same horizontal velocity

Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter4: Motion In Two Dimensions
Section: Chapter Questions
Problem 4.46P: A moving beltway at an airport has a speed 1 and a length L. A woman stands on the beltway as it...
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Ques 11
5. A car moving with velocity of 50 kmh on a straight road is ahead of a
jeep moving with velocity 75 kmh. How would the relative velocity be
altered if jeep is ahead of car ?
6. Which of the two-linear velocity or the linear acceleration gives the
direction of motion of a body ?
7. Will the displacement of a particle change on changing the position of
origin of the coordinate system ?
8. If the instantaneous velocity of a particle is zero, will its instantaneous
acceleration be necessarily zero ?
9. A projectile is fired with Kinetic energy 1 KJ. If the range is maximum,
what is its Kinetic energy, at the highest point ?
10. Write an example of zero vector.
11. State the essential condition for the addition of vectors.
12. When is the magnitude of (A+ B) equal to the magnitude of (A-B) ?
13. What is the maximum number of component into which a vector can be
resolved ?
14. A body projected horizontally moves with the same horizontal velocity
although it moves under gravity. Why ?
15. What is the angle between velocity and acceleration at the highest point of
a projectile motion ?
16. When does (i) height attained by a projectile maximum ? (ii) horizontal
range is maximum ?
17. What is the angle between velocity vector and acceleration vector in
uniform circular motion ?
Kinematic
55
Transcribed Image Text:5. A car moving with velocity of 50 kmh on a straight road is ahead of a jeep moving with velocity 75 kmh. How would the relative velocity be altered if jeep is ahead of car ? 6. Which of the two-linear velocity or the linear acceleration gives the direction of motion of a body ? 7. Will the displacement of a particle change on changing the position of origin of the coordinate system ? 8. If the instantaneous velocity of a particle is zero, will its instantaneous acceleration be necessarily zero ? 9. A projectile is fired with Kinetic energy 1 KJ. If the range is maximum, what is its Kinetic energy, at the highest point ? 10. Write an example of zero vector. 11. State the essential condition for the addition of vectors. 12. When is the magnitude of (A+ B) equal to the magnitude of (A-B) ? 13. What is the maximum number of component into which a vector can be resolved ? 14. A body projected horizontally moves with the same horizontal velocity although it moves under gravity. Why ? 15. What is the angle between velocity and acceleration at the highest point of a projectile motion ? 16. When does (i) height attained by a projectile maximum ? (ii) horizontal range is maximum ? 17. What is the angle between velocity vector and acceleration vector in uniform circular motion ? Kinematic 55
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