Q.28. At t = 0, a body of mass 100 g starts moving under the influence of a force $(5\mathbf{i}+10\mathbf{j})$N. After 2s its position is $(2x\mathbf{i} +5y\mathbf{j})$m . The ratio x : y is

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Q.28. At t = 0, a body of mass 100 g starts moving under the influence of a force $(5\mathbf{i}+10\mathbf{j})$ N. After 2s its position is $(2x\mathbf{i} +5y\mathbf{j})$ m . The ratio x : y is

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Q.28. At t = 0, a body of mass 100 g starts moving under the influence of a force (5i+10j)(5\mathbf{i}+10\mathbf{j})(5i+10j)N. After 2s its position is (2xi+5yj)(2x\mathbf{i} +5y\mathbf{j})(2xi+5yj)m . The ratio x : y is

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Q.28. At t = 0, a body of mass 100 g starts moving under the influence of a force $(5\mathbf{i}+10\mathbf{j})$ N. After 2s its position is $(2x\mathbf{i} +5y\mathbf{j})$ m . The ratio x : y is