Question

find acceleration and velocity at 2sec of the motion of an object having displacement function x(t)=(5t²+3t-2)​

Answer 1

given : t = 2 sec

finding Displacement:

put t = sec in given Equation

x(t) = (5t² + 3t - 2)m

x(2) = 5(2)² + 3(2) - 2

= 5(4) + 6 - 2

= 20 + 4

= 24 m