A car A is travelling on a straight level road with a uniform speed of 60 km/h. It is followed by another car B which in moving with a speed of 70 km/h. When the distance between then is 2.5km, the car B is given a deceleration of `20(km)/(h^2)`. After how much time will B catch up with AA. 1 hrB. 1/2 hrC. 1/4 hrD. 1/8 hr

A car A is travelling on a straight level road with a uniform speed of

1.	A car A is travelling on a straight level road with a uniform speed of 60 km/h. It is followed by another car B which in moving with a speed of 70 km/h. When the distance between then is 2.5km, the car B is given a deceleration of `20(km)/(h^2)`. After how much time will B catch up with AA. 1 hrB. 1/2 hrC. 1/4 hrD. 1/8 hr
Answer» Correct Answer - B

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