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April 20, 2014

April 20, 2014

Posted by **Jasmine** on Thursday, August 25, 2011 at 8:45pm.

A rocket is traveling straight up from its launch pad. An observer 5.00 km from the launch pad notices that at one instant, she must tilt her telescope 45.0 degrees upward to see the rocket. 10.0 seconds later, she must tilt her rocket upward 50.0 degrees to see the rocket. What was the average speed of the rocket?

- physics -
**drwls**, Thursday, August 25, 2011 at 9:50pm(5.00 km)*(tan 50 - tan 45)/(10.0 s)

= 0.096 km/s

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