The position vector of a particle is r=a[cosωtî+sinωtĵ]. The velocity of the particle is - VgyanHub

Question:

10. The position vector of a particle is r=a[cosωtî+sinωtĵ]. The velocity of the particle is

Options :

a) Parallel to the position vector
b) Perpendicular to the position vector
c) Directed towards the origin
d) Directed away from the origin

Answer :

b) Perpendicular to the position vector

Answer Steps :

Solution :-

Method1 :-

Step1 :-

Step2 :-

Step3 :-

Method2 :-

Method3 :-

Step1 :-

Step2 :-

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