A truck travelling at 54 km/h is slow down to 36 km/h in 10 sec. Find the
retardation
please I will mark brainlist for your answer :))
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Answer:
u =54km/h = (54 × 5/18)m/s = 15m/s
v = 36km/h = (36 × 5/18)m/s = 10m/s
t=10sec
a=?
a = 10-15/10
a = -5/10
a = -0.5m/s²
acceleration = -0.5m/s²
it means retardation = 0.5 m/s²
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