February 24, 2017

Homework Help: physics

Posted by Erin on Thursday, January 26, 2012 at 5:54pm.

In the javelin throw at a track-and-field event, the javelin is launched at a speed of 35.0 m/s at an angle of 33.7 ° 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 33.7 ° at launch to 16.3 °?

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