Question
a car travelling at 60km/h uniformly retards for 10s and reaches a velocity of 45km/h. find the retardation.
Answers
Damon
60,000 /3600 = 16.7 m/s
45,000 /3600 = 12.5 m/s
v =Vi + a t
12.5 = 16.7 + 10 a
a = -0.42 meters/second^2
45,000 /3600 = 12.5 m/s
v =Vi + a t
12.5 = 16.7 + 10 a
a = -0.42 meters/second^2
Steve
or,
-1.5 km/hr/s
-1.5 km/hr/s
Palak
Velosity me
Palak
A car travelling by you
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