a car travelling at 45 km per hour is brought to rest with uniform retardation in 30 seconds calculate the retardation of the car.answer it fast don't copy.
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_0.417
Explanation:
a=v-u/t
v=0
u=45kmph
t=30s
45×5/18=12.5
a=0- 12.5/30 remove the point then 125/30
a=0.417m/s/s
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