A car moving with a speed of 20ms-1 can be stopped by applying brakes after travelling a distance of 2m the retardation of the car is
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v=0 (brake)
u=20
s=2m
v2- u2= 2as
third equation of motion
0-400=2×a×2
-400=4a
a=-100/4
retardation= -100
acceleration =100
u=20
s=2m
v2- u2= 2as
third equation of motion
0-400=2×a×2
-400=4a
a=-100/4
retardation= -100
acceleration =100
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