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A body is projected horizontally from a ...

A body is projected horizontally from a height with speed `20 "metres"//sec` . What will be its speed after 5 seconds `(g = 10 "metres"//sec^(2))`

A

`54 "metres"//sec`

B

`20 "metres"//sec`

C

`50 "metres"//sec`

D

`70 "metres"//sec`

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The correct Answer is:
A
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