Question

If the displacement x of a particle is related with time
(in second) according to relation x = 213 - 312 + 2t + 2.
Find the position, velocity of a particle at the end of 2
seconds
1) 20m, 14m/s
2) 10m, 14m/s
3) 15m, 14m/s
4) 5m, 7m/s
​

Answer 1

Answer:

oooooooooooooooooooo

oooooooooooooooooooo

Answer 2

Answer:

answer 2 10m,14m/s ..........