A projectile is fired with an initial speed of 5m/s at an angle of 45∘with the horizontal, up an inclined plane having angle of inclination 30∘ from horizontal. What is the range of this projectile? (Take g=10m/s2)
A
0.5m
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B
1.05m
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C
2.05m
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D
2.5m
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Solution
The correct option is B1.05m α= angle of projection from horizontal=45∘ β=angle of the inclined plane from horizontal=30∘ The range of a projectile on an inclined plane is given by: