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December 21, 2014

December 21, 2014

Posted by **Christina** on Tuesday, September 19, 2006 at 6:11pm.

the part where the ground is rised to 10 degrees confuses me.

You know the height is 100m. If the angle is 10 degrees, calculate tan angle = 100m/x where x will be the forward distance to reach the 100m height. Then use distance = rate x time to calculate time required. It will be VERY short. Don't forget to change km to m and remember the answer will be in hours.

10 seconds

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