Question

Position of a particle moving on a
straight line varies with time as
x=t^3/3 - 3t + 8t + 4

consider the motion of the particle from t = 0 to
t=5seconds , s1 is the total distance travelled and s2 is the distance travelled during retardation find s1/s2
​

Answer 1

Answer:

Retardation till 3 sec

Explanation:

Position of a particle moving on a  

straight line varies with time as  

x=t^3/3 - 3t + 8t + 4

x = t³/3  - 3t²  + 8t  + 4

v = dx/dt = t² - 6t + 8

a = dv/dt = 2t - 6

2t - 6 < 0

=> t  < 3

Retardation till 3 sec

Then acceleration

Answer 2

Answer:

dhat

Explanation:

dhat dhat dhatbjjjjjgyggffgvcdtjj