A ball of mass1 kgis projected with a velocityof 20sqrt(2) m/sfromthe originof anxyco ordinateaxissystemat an angle 45^(@)witha xis( horizontal)the angular momentum [ inSI inits ]of the ball about thepointofprojection ater2 s of projectionis [ takeg = 10 m//s^(2)]( y - axisis takenas vertical

A ball of mass1 kgis projected with a velocityof 20sqrt(2) m/sfromthe

1.	A ball of mass1 kgis projected with a velocityof 20sqrt(2) m/sfromthe originof anxyco ordinateaxissystemat an angle 45^(@)witha xis( horizontal)the angular momentum [ inSI inits ]of the ball about thepointofprojection ater2 s of projectionis [ takeg = 10 m//s^(2)]( y - axisis takenas vertical
Answer» <P>`-400 BAR(k)` `200 bar(i)` `300 bar(j)` `-350 bar(j)` Solution :`bar(L) = bar(r ) XX bar(p) `