A bus decreases its speed from 80 km km h-1 to 60 kmh-1 in 5s find the acceleration of the bus I
I have a doubt in thid questions why are multiplying with
80×5/18 and in velocity we are writing 60×5/18 why we are writing 5 /18 for this

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Solution

We are multiplying every quantity with 5/18 to convert it from km/ h to m/s .Since the time is given in seconds it is better to convert km/ h to m/ s .And for that we need to multiply it with 5/18 .
Hope you understood.

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A bus decreases its speed from 80 km/hr to 60 km/hr in 5 s. Find the acceleration of the bus.

A bus decreases its speed from 80 km/h to 60 km/h in 5 seconds. Find the acceleration of the bus.

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