Question

help help................………
solve 2nd one​

Answer 1

Answer:

300 m

Explanation:

u= 36 km/h=36×5/18 =10 m/s

v=72 km/h =72×5/18 = 20m/s

t=20s

By using v=u+at

a=v-u/t

a=20-10/20

=10/20

=0.5

Now by using, 2as=v^2-u^2

2×0.5×s=400-100

s=300/1

s=300 m

Therefore, the distance covered=300m

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