Question

At an instant t, the coordinates of a particle x=at^2, y=bt^2 and z=0,then its speed at the instant t will be-?

Answer 1

Here vlocity along x- axis can be calculated by differntiating its coordinates as

dx/dt =2at ,similarly along y-axis dy/dt = 2at.Magnitude of velocity i.e. speed can be calculated by taking resultant

Answer 2

Check attachment and mark as brainliest.