A boy throws a rock with an initial velocity of 3.13 m/s at 30 degrees above the horizontal. How long does it take for the rock to reach the maximum height of its trajectory if air resistance is negligibly small?

An Introduction to Physical Science
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ISBN:9781305079137
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Chapter2: Motion
Section: Chapter Questions
Problem 12MC: A football is thrown on a long pass. Compared to the balls initial horizontal velocity, the velocity...
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  1. A boy throws a rock with an initial velocity of 3.13 m/s at 30 degrees above the horizontal. How long does it take for the rock to reach the maximum height of its trajectory if air resistance is negligibly small?

 

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