The position co-ordinates of a particle moving in a 3-D coordinate system is given by x = a cos$\omega $t y = a sin$\omega $t and z = a$\omega $t The speed of the particle is :

Question

The position co-ordinates of a particle moving in a 3-D coordinate system is given by
x = a cos$\omega $t
y = a sin$\omega $t and
z = a$\omega $t

The speed of the particle is :

$\sqrt 2 \,a\omega $

$a\omega $

$\sqrt 3 \,a\omega $

2a$\omega $

Solution

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