Question icon
Grade 12th passMechanics

The position (x) of a particle moving along x-axis varies with time (t) as x=t2-4t+5.the particle turns around at

Profile image of anamika yadav
8 Years agoGrade 12th pass
Answers icon

2 Answers

Profile image of arpit jain
8 Years ago
the value of X will be 0 for two values of t . Hence the value of T other than 0 will be the answer
t2-4t+5=0
the quadratic eqn is wrong as D
Profile image of Answerian
6 Years ago
x=t2-4t+5
by differentiating the above;
we get;
x=2t-4
now take x value as 0;
we get;
t=2s
Hence,the particle turns around at t=2s.