A particle is moving in a straight line. The variation of position ' x ' as a function of time ' t ' is given as x=(t³-6 t²+20 t+15) m. The velocity of the body when its acceleration becomes zero is:

Kinematics: JEE Main 2024 Physics question

JEE Main 2024 · 29 Jan, Evening shift · Q7889

JEE Main 202429 Jan, Evening shiftPhysicsMediumKinematics177× since 2002

A particle is moving in a straight line. The variation of position '

x

' as a function of time '

t

' is given as

x=\left(t^3-6 t^2+20 t+15\right) m

. The velocity of the body when its acceleration becomes zero is :