InterviewSolution
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InterviewSolution
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Following are four different relations about displacement, velocity and acceleration for the motion of a particle in general. Choose the incorrect one (s)A. (a) ` vec v _(av)= 1/2 [ vec v (t_1) + vec v (t_2)]`B. (b) ` vec v = ( vec r(t_2)- vecr (t_1))/(t_2-t_1)`C. (c ) ` vec r = 1/2 ( vec v(t_2) - vec v (t_1)) (t_2-t_1)`D. (d) ` a_(av) = (vec v(t_2)- vec v(t_1))/(t_2-t_1)` |
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Answer» Correct Answer - A::C For the motion of a particle if acceleration is not uniform then the relations ` vec v_(av) = 1/2 [ vec v(t-1) + vec v(t_2)] `si incorrect. ` vec v_(av) = (vec r(t_2) - vec r9t-1))/( (t_2-t_1)) ` is correct`. ` vec r = 1/2 [ vec v9t_2) - vec v( t-1) ] (t-2 -t_1) ` is incorrect, and ` vec a(av) = (vec v9t_1) - vec v(t_1))/(t_1 -t_1) ` is correct. |
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