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A projectile is projected with initial velocity $(6 \hat{i} + 8 \hat{j}) m / \sec$ .If $g = 10 {ms}^{- 2}$ , then horizontal range is

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Correct option is B

Here, ucos⁡θ=6,usin⁡θ=8 and g=10R=u2sin⁡2θg=2u2sin⁡θcos⁡θg=2(usin⁡θ)(ucos⁡θ)g=2×8×610=9.6m

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A projectile is projected with initial velocity (6i^+8j^)m/sec.If g=10 ms−2, then horizontal range is

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A projectile is projected with initial velocity $(6 \hat{i} + 8 \hat{j}) m / \sec$ .If $g = 10 {ms}^{- 2}$ , then horizontal range is