1.

A particle is projected with a speed `10sqrt(2)` making an angle `45^(@)` with the horizontal . Neglect the effect of air friction. Then after 1 second of projection . Take `g=10m//s^(2)`.A. the height of the aprticle above the point of projection is `5m`.B. the height of the particle above the point of projection is `10m.`C. the horizontal distance of the particle from the point of projection is `5m`.D. the horizontal distance of the particle from the point of projection is `15m`.

Answer» Correct Answer - A
`y=u_(x)t-(1)/(2)."gt"^(2)=10xx1-5xx1^(2)=5m`
`x=u_(x)t=10xx1=10m`


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