2. A bus decreases its speed from 80 km h-1 to 60 km h-1 in 5 S. Find the acceleration of the bus.​

Question

2. A bus decreases its speed from
80 km h-1 to 60 km h-1 in 5 S.
Find the acceleration of the bus.​

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Ayla 1 month 2021-09-15T00:33:17+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-09-15T00:34:51+00:00

    Answer:

    Initial velocity=80km/hr or 22.2m/s

    Final velocity=60km/hr or 16.6m/s

    acceleration=final velovity-initial velocity/time

    16.6-22.2/5

    -5.6/5

    Acceleration=-1.12m/s²

    Retardation=-1.12m/s²

    Step-by-step explanation:

    Hope this helps.

    0
    2021-09-15T00:35:02+00:00

    Answer:

    a= -14,400 km/h

    Step-by-step explanation:

    acceleration=v-u/t

    a=60000-80000/5

    a= -20000/5

    a=-4,000m/s

    a= -14,400 km/h

    – a=14,400 km/h

    negative acceleration is called deceleration

    d=14,400 km/h

    .

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    hope it helps you

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