KinematicsEasy
Question
Let 
and 
be the instantaneous velocity and acceleration respectively of a particle moving in a plane. The rate of change of speed 
of the particle is :-
(a)
(b)
(c) The component of
in the direction of 
(b) The component of perpendicular to 
and be the instantaneous velocity and acceleration respectively of a particle moving in a plane. The rate of change of speed of the particle is :-(a)
(b)
(c) The component of
in the direction of (b) The component of
perpendicular to Options
A. a, b
B.a, c
C.a, b, c
D.b, c
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