Question

A bus accelerates uniformly from 45 km per hour in 10 seconds calculate acceleration in metre per second square

Answer 1

Hey !!!!

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The initial Velocity of bus ; 0 m/s

The Final Velocity of bus ; 45×5/18m/s = 12.5 m/s

Time Taken ; 10 s

Acceleration = v-u/t

12.5-0/10

12.5/10

1.25 m/s^2

Hence,

Acceleration = 1.25 m/s ^2

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Hope This Helps.....!!!!

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Answer 2

45 km is equal to 4500m so 4500 m by 10 sec is equal to 450m per second so the answer is 450m per sec