After application of brakes, a car slows down from 108 kmh-1 to 36 kmh-1 in 8s. Calculate retardation in SI unit.
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Answer:
Amswer is in the photo with explanation.
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Answer:
a=-10.93m/sec
Explanation:
from 3rd equation of motion
v^2-u^2=2as
(5)^2-(30)^2=2a(40)
25-900=80a
a=-10.93m/sec
negative sign indicates that it is retardation
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