(Answered) A ball is thrown upward from the ground you observe the

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A ball is thrown upward from the ground. You observe the ball through a window on its way up, and notice that it was visible for 4.9 seconds while it travels from the bottom of the window to the top, which is a length of 117.76905 metres.

(a) How much time does it take for the ball to be seen again, in seconds?

(b) How far above the top of the window will the ball reach, in metres?

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