1.

A pebble is thrown horizontally from the top of a 20 m high tower with an initial velocity of 10 m/s. Theair drag is negligible. The speed of the pebble when it is at the same distance from top as well as baseof the tower (g = 10 m/s^2)

Answer»

Answer will be 2u^2/g * (tan alpha)/(cos alpha)

wrong answer



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