A plane is inclined at an angle \( \alpha=30^{\circ} \) with respect to the horizontal. A partic...

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A plane is inclined at an angle \( \alpha=30^{\circ} \) with respect to the horizontal. A particle is projected with a speed \( u=2 \mathrm{~ms}^{-1} \) from the base of the plane, making an angle \( \theta=15^{\circ} \) with respect to the plane as shown in the figure. The distance from the base, at which the particle hits the plane is close to (take \( g=10 m^{-2} \) )
img style=display: block; margin-left: auto; margin-right: auto; title=21.png src=https://d2bps9p1kiy4ka.cloudfront.net/5eb393ee95fab7468a79d189/42c8905e-8229-4046-8cbd-c7ac16d327c0.png alt= width=203 height=130 /
(a) \( 18 \mathrm{~cm} \)
(b) \( 14 \mathrm{~cm} \)
(c) \( 26 \mathrm{~cm} \)
(d) \( 20 \mathrm{~cm} \)
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