The maximum range of rifle bullet on the horizontal ground is 6 km its maximum range on an inclined of 30∘ will be
A
1 km
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B
2 km
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C
4 km
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D
6 km
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Solution
The correct option is C 4 km Maximum range on horizontal plane R=u2g=6km(given) Maximum range on a inclined plane Rmax=u2g(1+sinα) Puttingα=30∘Rmax=u2g(1+sin30∘)=23(u2g)=23×6=4km.