Question

the velocity of a car increases from 15km/h to 33 km/h in 20 sec. find its acceleration

Answer 1

$acceleration = \frac{change \: in \: velocity}{time \: taken } \\ acceleration = \frac{33 - 15}{20} \\ \frac{18}{20} = \frac{9}{10 } \\ acceleration = 0.9m {s}^{ - 2} \\ hope \: it \: helps$

Answer 2

Answer:

Explanation:v = 15km/h = 4.167km/s

u = 33 km/h = 9.167 km/s

t=20s

A?=?

A= change in velocity /time

= 9.167-4.167/20

= 5 km/s / 20s

= 0.25 km/s^2

Like it if you get your answer