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.