zaidmir1987 zaidmir1987

31-12-2018
Physics

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A car moving at a velocity of 20 m/s (at t = 0 sec) acquires a velocity of 40m/s. If the acceleration of the car is 4 m/s2, calculate
(i) Time taken by the car to acquire the velocity of 40m/sec. (ii) Distance travelled by the car for attaining the velocity of 40m/sec.

Respuesta :

33eli33 33eli33

31-12-2018

4t+20=40
t=5
(1/2)(4)(5)^2+20(5)+0=150=x 1/2at^2+vt+x=x(t)

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