a bus starts from rest and attains 40 km per hour velocity after 10 second calculate the acceleration of the bus in kilometre per hour per second and metre per second
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Given:
Velocity of bus (v) = 40km/h
40/60×60
= 40/3600
= 1/90km pers
Time taken (t) = 10s
Acceleration = v/t
= 1/90/10
= 1/900km/second square
or 1000/900
= 10/9 m per second square
10s = 1/36h
so a= 1/9/1/36
= 4km/hour square
so the answers are 1/900 km per second square , 10/9 m per second square and 4 km per hour .
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