Answer:
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Explanation:
Initial Velocity u=0
Fianl velocity v=?
Height, s=19.6m
By third equation of motion
v2=u2+2gs
v2=0+2×9.8×19.6
v2=384.16
⇒v=19.6m/s
u = 0 m/s
a = 9.8 m/s^2
s = 19.6 mtrs
by [tex]v^{2} = u^{2} +2as[/tex]
[tex]= (0) +2*(9.8)*(19.6)[/tex]
[tex]= 384.16[/tex]
[tex]v=\sqrt{384.16}[/tex]
[tex]=\sqrt{\frac{38416}{100} }[/tex]
[tex]=19.6 m/s[/tex]
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Answers & Comments
Answer:
hope it's help u plz mark me as brainlist
Explanation:
Initial Velocity u=0
Fianl velocity v=?
Height, s=19.6m
By third equation of motion
v2=u2+2gs
v2=0+2×9.8×19.6
v2=384.16
⇒v=19.6m/s
Answer:
u = 0 m/s
a = 9.8 m/s^2
s = 19.6 mtrs
hence,
by [tex]v^{2} = u^{2} +2as[/tex]
[tex]= (0) +2*(9.8)*(19.6)[/tex]
[tex]= 384.16[/tex]
[tex]v=\sqrt{384.16}[/tex]
[tex]=\sqrt{\frac{38416}{100} }[/tex]
[tex]=19.6 m/s[/tex]