A particle moving in a straight line covers a distance of x cm in t second, where x = t3 + 6t2 – 15t + 18. What will be
Posted: Wed Jul 13, 2022 8:07 pm
a) 20cm/sec
b) 22cm/sec
c) 21cm/sec
d) 23cm/sec
b) 22cm/sec
c) 21cm/sec
d) 23cm/sec