A rocket velocity problem

What could be so hard. It's a multiple-choice test for Pete's sake.

A rocket velocity problem

Postby anishaguda » Thu Oct 15, 2009 7:26 pm

Hello everyone,

I have a question on the 2006-2007 #11 TMSCA test. The question is, "If a rocket took 27 seconds from lift-off until the time when it hit the ground, how long did it take the rocket to reach its maximum height?" I do not understand why the answer is 9 seconds. I have searched on the internet, but I have not been able to find the answer. Can any of you help me? I will appreciate it. Thanks!
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