Question

what is the ratardation of car moving with a velocity of 50 km/hr is brought to rest in 45 second​

Answer 1

Answer:

retardation = 1.78 m/s^2

Step-by-step explanation:

Answer 2

Answer:

Value of retardation is 0.3086 m/s².

Step-by-step explanation:

First convert 50km/hr to 13.889 m/s. Then divide this by the time 45 second. We know acceleration is velocity / time, and retardation is negative acceleration in one sense.