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For which one ?-17.4?
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For which one ?-17.4?
13bFor which one ?
I uploaded the same pic mistakenlyWhere is Q 16?
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Bingo!v^2 = u^2 +2as
12^2 = u^2 -2(5)(8)
144 = u^2 - 80
u^2 = 224
u = 14.995 = 15 ms^-1 Ans.
v^2 = u^2 +2as
12^2 = u^2 -2(5)(8)
144 = u^2 - 80
u^2 = 224
u = 14.995 = 15 ms^-1 Ans.
Thank you guysdeceleration is 5 means acceleration is -5
velocity (f) is 12
velocity (I) is 0
x coordinate is 8 meaning distance is 8
2as = v^2 - u^2
2(-5)(8) = 12^2 - u^2
-80 - 144 = -u^2
-224 = -u^2
u = 14.96 ~~ 15
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