Question

a bus decreases it spewd from 80km/h to 50km/h in 4sec. find the acceralation of bus​

Answer 1

$<body</p><p>bgcolor=black><marqee><font color=white>$

$\huge\boxed{\fcolorbox{cyan}{blue}{Solution }}$

Initial velocity =80kmph

or 80*5/18m/s= 22.22m/s

final velocity =50kmph

or 50*5/18 m/s = 13.88 m/s

Time =4s

acceleration

=(v-u)/t

=(13.88-22.22)/4

= -8.34/4 m/s²

= -2.085 m/s²

Answer 2

$\huge\boxed{\fcolorbox{cyan} {purple} {Answer}}$

━━━━━━━━━━━━━━━━━━━━━━━━━━

initial velocity =80kmph

or 80*5/18m/s= 22.22m/s

final velocity =50kmph

or 50*5/18 m/s = 13.88 m/s

Time =4s

acceleration

=(v-u)/t

=(13.88-22.22)/4

= -8.34/4 m/s²

= -2.085 m/s²

━━━━━━━━━━━━━━━━━━━━━━━━━━

нσρє ıт нєłρs yσυ

❥ʀɪʏᴀ