The position co-ordinates of a particle moving in a 3-D coordinate sys – McqOptions

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1.	The position co-ordinates of a particle moving in a 3-D coordinate system is given byx = a cos ωty = a sin ωtand z = aωtThe speed of the particle is:
A.	\(\sqrt 2 {\rm{a}}\omega \)
B.	aω
C.	\(\sqrt 3 {\rm{a}}\omega \)
D.	2aω
Answer» B. aω

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