refer to attachment pls find it
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Heya... Ur ans is here
initial velocity(u)=0 m/s
displacement(s)=490 m
so,
s=ut+1/2 gt^2
=>490=0+1/2 x 9.8 x t^2
=>490/4.9=t^2
=>t=10 s
so,
now v=u+at
=>v=at=9.8x10=98 m/s
initial velocity(u)=0 m/s
displacement(s)=490 m
so,
s=ut+1/2 gt^2
=>490=0+1/2 x 9.8 x t^2
=>490/4.9=t^2
=>t=10 s
so,
now v=u+at
=>v=at=9.8x10=98 m/s
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Welcm
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