# A driver applies brakesand slows down the velocity of the bus from 80km/hr. to 60 km/ hr. in 5 secs. calculate the acceleration of the bus ?

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The negative acceleration of the bus is a =

(final velocity - initial velocity)/ time ⇒a = (60 - 80)/5 ⇒ a = - 4 m/s so it is he answer

negative sign show braking of the bus that is negative acceleration.

(final velocity - initial velocity)/ time ⇒a = (60 - 80)/5 ⇒ a = - 4 m/s so it is he answer

negative sign show braking of the bus that is negative acceleration.