A particle is projected from a point (1,1) aiming towards a point (5,9). It fell on ground along x axis after 1sec. If it falls on x-axis then the x-co-ordinate of that point is (g=10m/s2)
A
1
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B
2
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C
3
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D
4
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Solution
The correct options are A 1 D 4 Slope=tanθ=9−15−1=2
sinθ=2√5
cosθ=1√5
It reaches (x,0)
Distance travelled vertically is 1 and horizontally is x-1