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Asked by Lily

A car start from rest an is then accelerated uniformly to a velocity of 100.8km/h.A brake is applied in 4sec.find
1.its acceleration
2.its retardation
3 years ago

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Answered by oobleck
v = at
a = (100.8 km/hr)/(4s) = 25.2 (km/hr)/s

no idea what #2 is
3 years ago
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