In the javelin throw at a track-and-field event, the javelin is launched at a speed of 29
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In the javelin throw at a track-and-field event, the javelin is launched at a speed of 29 m/s at an angle of 36° above the horizontal. As the javelin travels upward, its velocity points above the horizontal at an angle that decreases as time passes. How much time is required for the angle to be reduced from 36° at launch to 18°?
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As shown in the drawing the angle that the velocity ve...View the full answer
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