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October 23, 2014

Homework Help: Physics

Posted by Anonymous on Sunday, August 26, 2012 at 12:36am.

Standing on the top ledge of a 55 m high building you throw a ball straight up with an initial speed of 29 m/s. How long to the nearest second, does it take to hit the ground?

Answer after rounding is 7 seconds.

The next question is "If the building in the previous problem is 44 meters high and you throw the ball up at 30 m/s, how high to the nearest meter does it go?"

I don't understand how to figure out what the highest meter is.

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