First slide
Instantaneous velocity
Question

Displacement (x) of a particle is related to time (t) as; x = at +bt2-ct3 where a, b and c are constant of the motion. The velocity of the particle when its acceleration is zero, is given by:

Easy
Solution

v=dxdt=a+2bt3ct2 and acceleration = dt=2b6ct

Get Instant Solutions
When in doubt download our app. Now available Google Play Store- Doubts App
Download Now
Doubts App