a car increase it's speed from 20km/h to 50km/hi in 10 sec. what is its acceleration?
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first change km/hr into m/s =20×5/18=5.5
50×5/18=13.8
a = v-u/t =
v =13.8
u = 5.5
t= 10 sec
a = v-u/t
a = 13.8 - 5.5/10
a = 13.25
50×5/18=13.8
a = v-u/t =
v =13.8
u = 5.5
t= 10 sec
a = v-u/t
a = 13.8 - 5.5/10
a = 13.25
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