a bus decreases its speed from 80kmph to 60kmph in 5 sec. find the acceleration
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Hi !
Initial velocity = u = 80 km/hr = 22.2 m/s
Final velocity = v = 60 km/hr = 16.6 m/s
Time = t = 5 sec
Acceleration = a
a = v - u /t
= 16.6-22.2/5
= -5.6/5
= -1.12 m/s²
Acceleration produced [ retardation ] = -1.12 m/s²
Initial velocity = u = 80 km/hr = 22.2 m/s
Final velocity = v = 60 km/hr = 16.6 m/s
Time = t = 5 sec
Acceleration = a
a = v - u /t
= 16.6-22.2/5
= -5.6/5
= -1.12 m/s²
Acceleration produced [ retardation ] = -1.12 m/s²
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