Answer:
123 m
Step-by-step explanation:
Given:
u = 40 km/h = 11.1 m/s
v = 0 m/s
a = -0.5 m/s²
Find: s
Note: You will need an equation independent of time.
v² = u² + 2as
(0 m/s)² = (11.1 m/s)² + 2 (-0.5 m/s²) s
s = 123 m
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