highway code, level road from a speed of 18ms-1 is 24m

1) if the car had the same deceleration as in Q. 1 ( which I think is 13.8 m/s) calculate its braking distance with a starting speed of 9ms-1

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highway code, level road from a speed of 18ms-1 is 24m

1) if the car had the same deceleration as in Q. 1 ( which I think is 13.8 m/s) calculate its braking distance with a starting speed of 9ms-1

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## Answers (1)

assuming deceleration = 13.8 m/s²

v² = u² + 2as

0 = 9² + 2(-13.8)s

s = -81 / -27.6

s = 2.93 m (3sf)