Answer to Question #62465 in Mechanics | Relativity for Kezia
jana is standing on a hillside and jeni is standing on a hilltop. The horizontal direction of Jana and Jeni is 30 m. The slope of the hill satisfies equation y=0.4x (assuming jane and jeni are located in xy coordinates). If jana shoots a ball with an elevation angle of 50 degrees with respect to the horizontal direction, what is the speed of the ball so it exactly reaches Jeni?
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