Question

The displacement X of a body in motion by x=asin(

Answer 1

Answer:

x = asin ( wt + phi)

Explanation:

Answer 2

Answer:

Your question is incomplete. What needs to be determined at the point when the displacement is maximum.  

                                      You can just differentiate the given displacement function wright to the quantity that needs to be determined and then set the derivative to 0 to find the value of quantity for maximum displacement.