The displacement in metres of a body varies with time t in second as y = t2 – t – 2. The displacement is zero for a positive of t equal to

The displacement in metres of a body varies with time t in second as y = t2 – t – 2. The displacement is zero for a positive of t equal to

A

1 s

B

2 s

C

3 s

D

4 s

Answer:

The correct option is B. 2 s

Note