Answer to Question #340961 in Quantum Mechanics for nhids

Question #340961

A rock is thrown horizontally from the top of a cliff 88 m high with a horizontal speed of 25 m/s, what is the direction of velocity?


1
Expert's answer
2022-05-14T16:45:24-0400

"v_x=25~\\frac ms,"

"v_y=\\sqrt{2gh}=48~\\frac ms,"

"v=\\sqrt{v_x^2+v_y^2}=53.7~\\frac ms,"

"\\alpha=-\\arctan\\frac{v_y}{v_x}=-63.4\u00b0."


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