Question

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
is moving with a speed of 70 km/h. When the distance
between them is 2.5 km, the car B is given a deceleration
of 20 km/h?. After how much time will B catch up with
А
(a) 1 hr
(b) 1/2 hr
(c) 1/4 hr
(d) 1/8 hr​

Answer 1

Answer:

1/2 hr

Explanation:

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