A projectile is launched with an initial velocity \( \mathrm{P} \) \( \overrightarrow{v_{0}}=(2 ...
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0A projectile is launched with an initial velocity
\( \mathrm{P} \)
\( \overrightarrow{v_{0}}=(2 \mathrm{~m} / \mathrm{s}) \hat{i}+(3 \mathrm{~m} / \mathrm{s}) \hat{j} \). At the top of the
W
trajectory, the velocity of the particle is (x horizontal direction, \( \mathrm{y} \)-vertical direction):
(1) \( \sqrt{2^{2}+3^{2}} \mathrm{~m} / \mathrm{s} \)
(2) \( 2 \mathrm{~m} / \mathrm{s} \)
(3) \( 3 \mathrm{~m} / \mathrm{s} \)
(4) \( 5 \mathrm{~m} / \mathrm{s} \)
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