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A body starts from rest from the origin with an acceleration of `3 m//s(2)` along the x-axis and `4 m//s^(2)` along the y-axis. Its distance from the origin after `2 s` will beA. 56 mB. 64 mC. 80 mD. 128 m |
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Answer» Correct Answer - C `S_x=u_x t + 1/2 a_x t^2 rArr S_x = 1/2xx6xx16`=48 m `S_y=u_y t + 1/2 a_y t^2 rArr S_y = 1/2 xx 8 xx 16` = 64 m `S=sqrt(S_x^2+S_y^2)` = 80 m |
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