Question

Displacement of a particle is given by X=t²+2. What is the value of velocity at time 2 seconds.

Answer 1

Answer:

4

Explanation:

d/dx(t^2 +2)

is d/dx(t^2)+d/dx(2)

=1(2t^2-1)+0

=2t+0 therefore t=2sec

=2×2

=4