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The position (x) of a particle moving along x-axis varies with time (t) as x=t 2 -4t+5.the particle turns around at

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

Grade:12th pass

2 Answers

arpit jain
24 Points
6 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
Answerian
17 Points
3 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.

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