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Grade: 11
        
if a person driving a car with speed with 20m/s suddenly sees a boy  crossing the road. If the distance moved by the car , before the person applies brakes , is 5 m , then what is the reaction time ?
5 years ago

Answers : (1)

Arun Kumar
IIT Delhi
askIITians Faculty
256 Points
							
Hello
We’ll assume the car stops as soon as the brakes are applied.
so t=5/20=0.4s
Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty
5 years ago
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