You want to throw a pebble at a window located 96 m above, Ask an Expert

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You want to throw a pebble at a window located 9.6 m above the ground, making sure that the pebble hits the lowest part of the window with a strictly horizontal velocity. You are standing 9 m from the base of the wall and you are throwing the pebble from a height of 1.6 m above the ground.

(a) Provide a sketch of the situation.

(b) What is the launch velocity?

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