Question

12. A particle moves according to the equation
x = 2t^2 – 5t + 6. Average velocity in the first 3 sec is
(1) 1 m/s
(2) 4 m/s
(3) 2 m/s
(4) 3 m/s​

Answer 1

x= 2t²-5t+6

put value of t=3sec,

x=2×9-5×3+6

x=9m

avg. velocity =s/t

=9/3=3m/s

option(4) 3m/s

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