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 |
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 |