Question

A bus decreases it's speed from 80km /h to 60km/h in 5s find theaccleration of bus

Answer 1

Answer:

this is the answer

Explanation:

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Answer 2

Answer:

-10/9 m/s²

Explanation:

Given:

• Initial velocity of the bus = u = 80 km/h

80 km/h = 80×5/18 = 200/9 m/s

• Final velocity of the bus = v = 60 km/h

60 km/h = 60×5/18 = 50/3 m/s

• Time taken = 5 seconds

To find:

• Acceleration of the bus

Acceleration = (Final velocity - Initial velocity) /time

Acceleration = (50/3-200/9)/5

Acceleration = (150/9-200/9)/5

Acceleration = (-50/9)/5

Acceleration = (-50/9)×1/5

Acceleration = (-10/9) m/s²

The acceleration of the bus is equal to - 10/9 m/s²