Kinematics 6 Question 4
4. In three dimensional system, the position coordinates of a particle (in motion) are given below
The velocity of particle will be
(a)
(b)
(c)
(d)
(2019 Main, 09 Jan II)
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Answer:
Correct Answer: 4. (a)
Solution:
- Given that the position coordinates of a particle
So, the position vector of the particle is
therefore, the velocity of the particle is
The magnitude of velocity is
