A body is thrown with a velocity of \( 10 \mathrm{~ms}^{-1} \) at a...

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A body is thrown with a velocity of \( 10 \mathrm{~ms}^{-1} \) at an angle of \( 60^{\circ} \) with the horizontal. Its velocity at the highest point is
\( \mathrm{P} \)
(A) \( 7 \mathrm{~ms}^{-1} \)
(B) \( 9 \mathrm{~ms}^{-1} \)
W
(C) \( 18.7 \mathrm{~ms}^{-1} \)
(D) \( 5 \mathrm{~ms}^{-1} \)
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