A car is moving along a straight hoghway with speed 126km/h is brought to a halt within a distamce of 200m. What is the retardation of the car
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GIVEN,
- v = 0
- u = 126 km/h = 35 ms⁻¹
- s = 200 m
we've
v² = u² + 2as
0² = 35² + 2 x a x 200
0 = 1225 + 400a
-1225 = 400a
-1225/400 = a
-3.0625 = a
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