Motion of a particle in a plane is described by the non-orthogonal set of coordinates (p, q) with unit vectors 
inclined at an angle θ as shown in the diagram. If the mass of the particle is m, its kinetic energy is given by 
A
( 
+ 
+ 
cos θ)
B
( 
+ 
– 
(1 – sin θ)
C
( 
+ 
+ 2 
cos θ)
D
( 
+ 
+ 
cot θ)
Text Solution
Verified by ExpertsThe correct answer is:
C
K.E. = 
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