Question

2.
A bicycle increases its velocity from 10km/h to 15km/h in 6s. Calculate its acceleration. 
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Answer 1

Answer:

By first equation of motion-

v=u+at where

u-initial velocity

v-final velocity

a-acceleration

t-time

so,

15=10+a*6

-5=6a

a=-5/6

The acceleration=-5/6

Answer 2

0.23m\s*s is the wright the answer