JEE MAIN - Physics (2024 - 30th January Evening Shift - No. 17)
Projectiles A and B are thrown at angles of $$45^{\circ}$$ and $$60^{\circ}$$ with vertical respectively from top of a $$400 \mathrm{~m}$$ high tower. If their ranges and times of flight are same, the ratio of their speeds of projection $$v_A: v_B$$ is :
[Take $$g=10 \mathrm{~ms}^{-2}$$]
$$1: 2$$
$$\sqrt{2}: 1$$
$$1: \sqrt{2}$$
$$1: \sqrt{3}$$
None of the above
Explanation
For $$\mathrm{u}_{\mathrm{A}}$$ & $$\mathrm{u}_{\mathrm{B}}$$ time of flight and range can not be same. So above options are incorrect.
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