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Darth Frodo
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Homework Statement
5. An object is thrown vertically upwards with a speed of 72 kilometres per hour. How long does it take to reach a point 25 meters below the starting point? You can take g as 10 ms-2 for convenience.
Here is my answer. I got 4 yet the answer is 5.
http://i.imgur.com/Ewvwh.jpg
http://i.imgur.com/ynVmM.jpg
http://i.imgur.com/OBVsX.jpg
Am I correct?
Homework Statement
Homework Equations
The Attempt at a Solution
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