1.

A body is projected with an initial velocity 20 m/s at 60^(@) to the horizontal. The displacement after 2s is

Answer»

`20[I + (sqrt(3)-1)J]`
`20[I-(sqrt(3)-1)J]`
`10[I+(sqrt(3)+1)J]`
`10[I+(sqrt(3)-1)J]`

Answer :A


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