A body is thrown with a velocity of 10m/s at an angle of 45o to the horizontal. The radius of curvature of its trajectory in t=1/√2sec after the body began to move is:
A
0m
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B
2.5m
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C
5m
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D
None
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Solution
The correct option is B2.5m We know maximum height that a projectile can attain H=v20sin2θ2g=radius of curvature of trajectory.