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.

Question

Lilianna

13 December, 02:40

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Answers (1)

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Janiyah Mullins · Answer 1

4t+20=40

t=5

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

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.