a driver applies brakes and slows down the velocity of the bus from 80 kilometre per hour to 60 km - Science - Force and Laws of Motion

Question

a driver applies brakes and slows down the velocity of the bus from
80 kilometre per hour to 60 km per hour in 5 seconds calculate the
acceleration of the bus

Vikas Mahala · Accepted Answer

Dear student,
Here we have, u = 80 kmh , v = 60 kmh , t = 5 secTherefore acceleration, a = ?we know that v = u + at60 kmh = 80 kmh + a×5a = 60 -805 = -205 = -4 kmhsec = -4 ×10003600ms2a = -1
1 ms2
Regards

a driver applies brakes and slows down the velocity of the bus from 80 kilometre per hour to 60 km per hour in 5 seconds calculate the acceleration of the bus