Question :
A Particle moves along a straight line such that its position x at any instant t is x = 6t2 – t3. Where x in meter and t is in second. then ,
(a) At t=0 acceleration is 12 m/s2
(b) x-t curve has maximum at t = 4s
(c) Both (a) and (b) are wrong
(d) Both (a) and (b) are right
Answer: The right option is (d)
Solution :
