Question

a car accelerates uniformly from 18 km/h to 36 km/h in 5 seconds. calculate the acceleration in m/s​

Answer 1

Answer:

Explanation:acceleration=(final velocity-initial velocity)/time

= (36-18)/5

》 》 》=3.6 ms^-2

Answer 2

Answer:

1 m/s^2

Explanation:

u = 18 km/h =$\frac{18* 1000}{60*60} =\frac{18000}{3600} = 5$ m/s

v = 36 km/h =$\frac{36* 1000}{60*60} =\frac{36000}{3600} =$ 10m/s

t = 5 sec's

a = $\frac{v-u}{t}=\frac{10-5}{5} = \frac{5}{5} = 1$ m/s^2

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