A car is traveling at a constant

speed of 12 m/s. When the driver

accelerates, the car reaches a speed

of 26 m/s in 6 s. What is the average

acceleration of the car?

OB. 2.3 m/s/s

A. 2 m/s/s

C. 4.3 m/s/s

D. 84 m/s/s

Question

24 July, 09:26

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Answers (1)

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Malcolm Lam · Answer 1

initial velocity u = 12m/s

final velocity v = 26m/s

time t = 6s

v = u + at

26 = 12 + 6a

26 - 12 = 6a

14/6 = 6a/6

a = 14/6

a = 2.33m/s^2

A car is traveling at a constantspeed of 12 m/s. When the driveraccelerates, the car reaches a speedof 26 m/s in 6 s. What is the averageacceleration of the car?OB. 2.3 m/s/sA. 2 m/s/sC. 4.3 m/s/sD. 84 m/s/s