Question

19 A Particle is moving along the curve
x = 2t2, y = t2 - 4t and z = 3t - 5. The
velocity of the particle at time t = 1
is :
(a) i - 2j +3k
(b) 4i - 2j + k
(c) 4i j + 3k
(d) 4i - 2j+3k
Innrevious question, the magnitude​

Answer 1

Answer:

Option second is correct