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A particle along x axis in such a way that it's coordinate varies with time according to the equation x=4-2t+t^2.the speed of particle will vary with time as

A particle along x axis in such a way that it's coordinate varies with time according to the equation x=4-2t+t^2.the speed of particle will vary with time as 

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1 Answers

Mahima Kanawat
1010 Points
2 years ago
Dear student 
For speed, we need to differentiate X with respect to time, 
On differentiating we get V=2t - 2
On comparing with The equation of straight line
Y = mX + C, here, 
m = 2, C= - 2
So, slope is positive and intercept is negative
Option 2 is correct
WITH REGARDS 
MAHIMA 
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