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The position co-ordinates of a particle moving in a 3-D coordinate system is given by X=a cos t,  Y=a sin t and Z = a t. The speed of the particle is

a.

a

b.

a

c.

 

d.

2a



Question ID - 50179 | SaraNextGen Top Answer

The position co-ordinates of a particle moving in a 3-D coordinate system is given by X=a cos t,  Y=a sin t and Z = a t. The speed of the particle is

a.

a

b.

a

c.

 

d.

2a

1 Answer
127 votes
Answer Key / Explanation : (c) -

vx = −a sin t

 vy= a cos t

vz = a           

v = .

127 votes


127