Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Motion in a Straight Line
A particle moves in a straight line such that x = 2t3 - 9t2 + 12t - 6 (where x is distance and t is time). Then at what time will the acceleration of the particle will be zero?
1
1.5 s
2
3.0 s
3
4.5 s
4
More than one of the above
5
None of the above