A particle moves along a straight line such that its displacement ‘s’ at any time ‘t’ is given by s = t3 – 6t² + 3t + 4 meters, t being in second. The velocity when acceleration is zero is _______.
A. 3 m/s
B. -12m/s
C. 42 m/s
D. -9 m/s
Answer:D
A particle moves along a straight line such that its displacement ‘s’ at any time ‘t’ is given by s = t3 – 6t² + 3t + 4 meters, t being in second. The velocity when acceleration is zero is _______.
A. 3 m/s B. -12m/s C. 42 m/s D. -9 m/s